{"id":2099,"date":"2022-12-27T08:04:49","date_gmt":"2022-12-27T08:04:49","guid":{"rendered":"https:\/\/owolff.com.linux20.curanetserver.dk\/?p=2099"},"modified":"2024-03-07T12:53:27","modified_gmt":"2024-03-07T10:53:27","slug":"7mm-high-end-driver-for-earphones","status":"publish","type":"post","link":"https:\/\/owolff.com\/en\/acoustics-news\/7mm-high-end-driver-for-earphones\/","title":{"rendered":"7mm high-end driver for earphones"},"content":{"rendered":"<div id='full_slider_1'  class='avia-fullwidth-slider main_color avia-shadow   avia-builder-el-0  el_before_av_one_half  avia-builder-el-first   container_wrap sidebar_right'  ><div  class='avia-slideshow av-lbz3wc7i-446580ecd99cbd07ccf915a0d0027e39 avia-slideshow-no scaling av_slideshow_full avia-slide-slider av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied   avia-slideshow-1' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 24.4140625%;'><li  class='avia-slideshow-slide av-lbz3wc7i-446580ecd99cbd07ccf915a0d0027e39__0  av-single-slide slide-1 slide-odd'><div data-rel='slideshow-1' class='avia-slide-wrap '   ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-2117 avia-img-lazy-loading-not-2117\"  src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/Header2_4.jpg\" width=\"1024\" height=\"250\" title='Header2_4' alt=''  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/Header2_4.jpg 1024w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/Header2_4-300x73.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/Header2_4-768x188.jpg 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/Header2_4-705x172.jpg 705w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/div><\/li><\/ul><\/div><\/div><div id='after_full_slider_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-2099'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-34fjbq-4b0eb3e73a2c628affc43378bcef9aa4\">\n#top .flex_column.av-34fjbq-4b0eb3e73a2c628affc43378bcef9aa4{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n.flex_column.av-34fjbq-4b0eb3e73a2c628affc43378bcef9aa4{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n.responsive #top #wrap_all .flex_column.av-34fjbq-4b0eb3e73a2c628affc43378bcef9aa4{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-34fjbq-4b0eb3e73a2c628affc43378bcef9aa4 av_one_half  avia-builder-el-1  el_after_av_slideshow_full  el_before_av_one_half  avia-builder-el-first  first flex_column_div av-zero-column-padding  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lbz5eyvc-8b7161d96082ea56c2028b302d72e92c\">\n#top .av_textblock_section.av-lbz5eyvc-8b7161d96082ea56c2028b302d72e92c .avia_textblock{\nfont-size:15px;\ncolor:#adadad;\n}\n<\/style>\n<section  class='av_textblock_section av-lbz5eyvc-8b7161d96082ea56c2028b302d72e92c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p><span class=\"av-post-metadata-content av-post-metadata-modified\"><span class=\"av-post-metadata-modified-date\">April 07, 2021 \/<\/span><\/span><span class=\"av-post-metadata-content av-post-metadata-separator\"> Acoustics news<\/span><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lfkr1f-6ace189d9e0d8f65e3a1d5b179af50cb\">\n#top .av-special-heading.av-lfkr1f-6ace189d9e0d8f65e3a1d5b179af50cb{\nmargin:0 0 20px 0;\npadding-bottom:0;\ncolor:#101010;\n}\nbody .av-special-heading.av-lfkr1f-6ace189d9e0d8f65e3a1d5b179af50cb .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-lfkr1f-6ace189d9e0d8f65e3a1d5b179af50cb .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-lfkr1f-6ace189d9e0d8f65e3a1d5b179af50cb .av-subheading{\nfont-size:21px;\n}\n<\/style>\n<div  class='av-special-heading av-lfkr1f-6ace189d9e0d8f65e3a1d5b179af50cb av-special-heading-h1 custom-color-heading blockquote modern-quote  avia-builder-el-3  el_after_av_textblock  el_before_av_textblock '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >7mm high-end driver for earphones<\/h1><div class='av_custom_color av-subheading av-subheading_below'><p>Excellent choice for Active Noise Cancellation (ANC) and True Wireless (TWS) applications<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632\">\n#top .av_textblock_section.av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 .avia_textblock{\ncolor:#101010;\n}\n<\/style>\n<section  class='av_textblock_section av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>This \u00d87mm dynamic driver for high-end earphones is designed with focus on very high performance in earphones with ANC (Active Noise Cancellation), TWS (True Wireless Stereo) and can also provide very good bass performance in leaky designs.<\/p>\n<p><strong>The OWR-0745T-32 features:<\/strong><\/p>\n<ul>\n<li>Excellent for Active Noise Cancellation (ANC)<\/li>\n<li>Ideal for high-end True Wireless (TWS) earphones<\/li>\n<li>High leak tolerance (great bass in leaky designs)<\/li>\n<li>On par with (and better than) the driver used in the acclaimed Sony WF-1000MX3 earphone<\/li>\n<\/ul>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632\">\n#top .av_textblock_section.av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 .avia_textblock{\ncolor:#101010;\n}\n<\/style>\n<section  class='av_textblock_section av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>To learn more about Ole Wolff drivers for ANC, please check out the <a href=\"https:\/\/owolff.com\/application-support\/active-noise-cancellation\/\">Application Support page regarding Active Noise Cancellation.<\/a><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-hn7ucz-7e156806747c4c09d8859eb3a1a33ee5\">\n#top .av-special-heading.av-hn7ucz-7e156806747c4c09d8859eb3a1a33ee5{\nmargin:0 0 20px 0;\npadding-bottom:0;\ncolor:#101010;\n}\nbody .av-special-heading.av-hn7ucz-7e156806747c4c09d8859eb3a1a33ee5 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-hn7ucz-7e156806747c4c09d8859eb3a1a33ee5 .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-hn7ucz-7e156806747c4c09d8859eb3a1a33ee5 .av-subheading{\nfont-size:21px;\n}\n<\/style>\n<div  class='av-special-heading av-hn7ucz-7e156806747c4c09d8859eb3a1a33ee5 av-special-heading-h1 custom-color-heading blockquote modern-quote  avia-builder-el-6  el_after_av_textblock  el_before_av_textblock '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Beating some of the best<\/h1><div class='av_custom_color av-subheading av-subheading_below'><p>Comparison with the driver used in the excellent Sony WF-1000MX3 earphone<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632\">\n#top .av_textblock_section.av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 .avia_textblock{\ncolor:#101010;\n}\n<\/style>\n<section  class='av_textblock_section av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>The Sony WF-1000MX3 is by many considered the industry leading earphone with both excellent ANC and overall sound quality.<\/p>\n<p>In order to compare the OWR-0745T-32 with the Sony driver we carefully disassembled the WF-1000MX3 earphone and measured the Sony driver while still mounted in the nozzle part (black part to the right on the picture below) but without any air volume behind the driver. Next we replaced the Sony driver with the OWR-0745T-32 and ran the same test procedure under the exact same test conditions.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lc5xlhwd-f9c676d8833367100d130410de8d4bd2\">\n.avia-image-container.av-lc5xlhwd-f9c676d8833367100d130410de8d4bd2 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-lc5xlhwd-f9c676d8833367100d130410de8d4bd2 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-lc5xlhwd-f9c676d8833367100d130410de8d4bd2 av-styling- avia-align-center  avia-builder-el-8  el_after_av_textblock  el_before_av_textblock '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-2103 avia-img-lazy-loading-not-2103 avia_image ' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/Sony_WF_1000MX3_test.jpg\" alt='' title='Sony_WF_1000MX3_test'  height=\"756\" width=\"1008\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/Sony_WF_1000MX3_test.jpg 1008w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/Sony_WF_1000MX3_test-300x225.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/Sony_WF_1000MX3_test-768x576.jpg 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/Sony_WF_1000MX3_test-705x529.jpg 705w\" sizes=\"(max-width: 1008px) 100vw, 1008px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lc0kj8mr-5039952438642925a19ef672d944b00c\">\n#top .av_textblock_section.av-lc0kj8mr-5039952438642925a19ef672d944b00c .avia_textblock{\nfont-size:12px;\ncolor:#101010;\n}\n<\/style>\n<section  class='av_textblock_section av-lc0kj8mr-5039952438642925a19ef672d944b00c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p><em>The excellent Sony WF-1000MX3 earphone (left) is considered the industry leading consumer ANC earphone. The Ole Wolff OWR-0745T-32 driver (middle) was tested using the nozzle part (right) from the earphone housing to make a fair 1:1 comparison between the drivers.<\/em><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lbz5glcw-5bf837076b19d06b3eec51980286f214\">\n#top .hr.hr-invisible.av-lbz5glcw-5bf837076b19d06b3eec51980286f214{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-lbz5glcw-5bf837076b19d06b3eec51980286f214 hr-invisible  avia-builder-el-10  el_after_av_textblock  el_before_av_heading '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-enlqrn-e5af9e229561075765b0159d006ff428\">\n#top .av-special-heading.av-enlqrn-e5af9e229561075765b0159d006ff428{\nmargin:0 0 20px 0;\npadding-bottom:10px;\ncolor:#101010;\n}\nbody .av-special-heading.av-enlqrn-e5af9e229561075765b0159d006ff428 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-enlqrn-e5af9e229561075765b0159d006ff428 .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-enlqrn-e5af9e229561075765b0159d006ff428 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-enlqrn-e5af9e229561075765b0159d006ff428 av-special-heading-h3 custom-color-heading blockquote modern-quote  avia-builder-el-11  el_after_av_hr  el_before_av_textblock '><h3 class='av-special-heading-tag '  itemprop=\"headline\"  >Lower distortion and better bass than the Sony WF-1000MX3 driver<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632\">\n#top .av_textblock_section.av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 .avia_textblock{\ncolor:#101010;\n}\n<\/style>\n<section  class='av_textblock_section av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>The OWR-0745T-32 takes advantage of its extremely compliant Deep Drawn Diaphragm (Ole Wolff patent pending) which ensures low THD and excellent bass performance, as evident on the plots below. <em>(hover picture to enlarge)<\/em>.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lc5xlhwd-329232bca2b6eed6a020976d7d1de6fd\">\n.avia-image-container.av-lc5xlhwd-329232bca2b6eed6a020976d7d1de6fd img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-lc5xlhwd-329232bca2b6eed6a020976d7d1de6fd .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-lc5xlhwd-329232bca2b6eed6a020976d7d1de6fd av-styling- av-hover-grow avia-align-center  avia-builder-el-13  el_after_av_textblock  el_before_av_heading '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-2107 avia-img-lazy-loading-not-2107 avia_image ' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/plots_45.png\" alt='' title='plots_45'  height=\"966\" width=\"1432\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/plots_45.png 1432w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/plots_45-300x202.png 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/plots_45-1030x695.png 1030w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/plots_45-768x518.png 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/plots_45-705x476.png 705w\" sizes=\"(max-width: 1432px) 100vw, 1432px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-d6wo0j-82364cecfac3a50366012f1cc6072238\">\n#top .av-special-heading.av-d6wo0j-82364cecfac3a50366012f1cc6072238{\nmargin:0 0 20px 0;\npadding-bottom:0;\ncolor:#101010;\n}\nbody .av-special-heading.av-d6wo0j-82364cecfac3a50366012f1cc6072238 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-d6wo0j-82364cecfac3a50366012f1cc6072238 .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-d6wo0j-82364cecfac3a50366012f1cc6072238 .av-subheading{\nfont-size:21px;\n}\n<\/style>\n<div  class='av-special-heading av-d6wo0j-82364cecfac3a50366012f1cc6072238 av-special-heading-h1 custom-color-heading blockquote modern-quote  avia-builder-el-14  el_after_av_image  el_before_av_textblock '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >The OWR-0745T-32 driver<\/h1><div class='av_custom_color av-subheading av-subheading_below'><p>Utilizing the Deep Drawn Diaphragm technique<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632\">\n#top .av_textblock_section.av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 .avia_textblock{\ncolor:#101010;\n}\n<\/style>\n<section  class='av_textblock_section av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>The diaphragm design used in the driver takes advantage of Ole Wolffs\u00a0<i>Deep Drawn Diaphragm<\/i>\u00a0technology, which assures a maximum piston area and thereby the highest power efficiency to size ratio. High efficiency equals longer battery life which is key in ANC and True Wireless applications.<\/p>\n<\/div><\/section><br \/>\n<div  class='avia-slideshow av-lc5ympe2-5d3c580646a53bcd5aa8f6cebb55ae90 avia-slideshow-no scaling av_slideshow avia-slide-slider  avia-builder-el-16  el_after_av_textblock  el_before_av_heading  av-slideshow-ui av-control-default av-slideshow-manual av-loop-once av-loop-manual-endless av-default-height-applied avia-slideshow-2' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:false,&quot;loop_autoplay&quot;:&quot;once&quot;,&quot;interval&quot;:5,&quot;loop_manual&quot;:&quot;manual-endless&quot;,&quot;autoplay_stopper&quot;:false,&quot;noNavigation&quot;:false,&quot;bg_slider&quot;:false,&quot;keep_padding&quot;:false,&quot;hoverpause&quot;:false,&quot;show_slide_delay&quot;:0}\"  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><ul class='avia-slideshow-inner ' style='padding-bottom: 74%;'><li  class='avia-slideshow-slide av-lc5ympe2-5d3c580646a53bcd5aa8f6cebb55ae90__0  slide-1 slide-odd'><div data-rel='slideshow-2' class='avia-slide-wrap '   ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-2110 avia-img-lazy-loading-not-2110\"  src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/OWR-0750T-32_cropped_DDD_2.jpg\" width=\"600\" height=\"444\" title='OWR-0750T-32_cropped_DDD_2' alt=''  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/OWR-0750T-32_cropped_DDD_2.jpg 600w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/OWR-0750T-32_cropped_DDD_2-300x222.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/div><\/li><li  class='avia-slideshow-slide av-lc5ympe2-5d3c580646a53bcd5aa8f6cebb55ae90__1  slide-2 slide-even'><div data-rel='slideshow-2' class='avia-slide-wrap '   ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-2111 avia-img-lazy-loading-not-2111\"  src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/OWR-0750T-32_mech_1.jpg\" width=\"1000\" height=\"800\" title='OWR-0750T-32_mech_1' alt=''  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/OWR-0750T-32_mech_1.jpg 1000w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/OWR-0750T-32_mech_1-300x240.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/OWR-0750T-32_mech_1-768x614.jpg 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/OWR-0750T-32_mech_1-705x564.jpg 705w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/div><\/li><\/ul><div class='avia-slideshow-arrows avia-slideshow-controls' ><a href='#prev' class='prev-slide  avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='left-open-big' data-av_iconset='svg_entypo-fontello' tabindex='-1' title=\"Previous\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewBox=\"0 0 15 32\" preserveAspectRatio=\"xMidYMid 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27.84l11.456-11.84-11.456-11.904q-0.832-0.832 0-1.536 0.832-0.832 1.536 0l12.544 12.608q0.768 0.832 0 1.6l-12.544 12.608q-0.704 0.832-1.536 0-0.832-0.704 0-1.536z\"><\/path>\n<\/svg><span class='avia_hidden_link_text'>Next<\/span><\/a><\/div><div class='avia-slideshow-dots avia-slideshow-controls'><a href='#1' class='goto-slide active' >1<\/a><a href='#2' class='goto-slide ' >2<\/a><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8n86dv-be2d1f5799a2bb15cbc97697f8bbcc04\">\n#top .av-special-heading.av-8n86dv-be2d1f5799a2bb15cbc97697f8bbcc04{\nmargin:0 0 20px 0;\npadding-bottom:0;\ncolor:#101010;\n}\nbody .av-special-heading.av-8n86dv-be2d1f5799a2bb15cbc97697f8bbcc04 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-8n86dv-be2d1f5799a2bb15cbc97697f8bbcc04 .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-8n86dv-be2d1f5799a2bb15cbc97697f8bbcc04 .av-subheading{\nfont-size:21px;\n}\n<\/style>\n<div  class='av-special-heading av-8n86dv-be2d1f5799a2bb15cbc97697f8bbcc04 av-special-heading-h1 custom-color-heading blockquote modern-quote  avia-builder-el-17  el_after_av_slideshow  el_before_av_textblock '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Acoustic performance<\/h1><div class='av_custom_color av-subheading av-subheading_below'><p>High SPL and low THD: Ideal for Active Noise Cancellation<\/p>\n<\/div><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632\">\n#top .av_textblock_section.av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 .avia_textblock{\ncolor:#101010;\n}\n<\/style>\n<section  class='av_textblock_section av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>Low distortion at high diaphragm excursions is one of the key parameters for obtaining good ANC performance. OWR-0745T-32 can generate the very high sound pressure levels necessary in ANC applications with a minimum of distortion.<\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632\">\n#top .av_textblock_section.av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 .avia_textblock{\ncolor:#101010;\n}\n<\/style>\n<section  class='av_textblock_section av-lc0kj8mr-6d7ab99035755f570b5058c0475f4632 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p>To learn more about Ole Wolff drivers for ANC, please check out the\u00a0<a href=\"https:\/\/owolff.com\/application-support\/active-noise-cancellation\/\">Application Support page regarding Active Noise Cancellation.<\/a><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lc5xlhwd-b80cf88713fb044c3c4c006f34ae0615\">\n.avia-image-container.av-lc5xlhwd-b80cf88713fb044c3c4c006f34ae0615 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-lc5xlhwd-b80cf88713fb044c3c4c006f34ae0615 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-lc5xlhwd-b80cf88713fb044c3c4c006f34ae0615 av-styling- av-hover-grow avia-align-center  avia-builder-el-20  el_after_av_textblock  el_before_av_textblock '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-2114 avia-img-lazy-loading-not-2114 avia_image ' src=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/plots2.png\" alt='' title='plots2'  height=\"767\" width=\"852\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/plots2.png 852w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/plots2-300x270.png 300w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/plots2-768x691.png 768w, https:\/\/owolff.com\/wp-content\/uploads\/2022\/12\/plots2-705x635.png 705w\" sizes=\"(max-width: 852px) 100vw, 852px\" \/><\/div><\/div><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lc0kj8mr-5039952438642925a19ef672d944b00c\">\n#top .av_textblock_section.av-lc0kj8mr-5039952438642925a19ef672d944b00c .avia_textblock{\nfont-size:12px;\ncolor:#101010;\n}\n<\/style>\n<section  class='av_textblock_section av-lc0kj8mr-5039952438642925a19ef672d944b00c '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><p><em>The driver generates very little distortion even at 10 mW @133 dBSPL in 2cc. (Hover picture to enlarge).<\/em><\/p>\n<\/div><\/section><\/p><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-34fjbq-bc07e15a4e5fb14795820258d83bfba3\">\n#top .flex_column.av-34fjbq-bc07e15a4e5fb14795820258d83bfba3{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n.flex_column.av-34fjbq-bc07e15a4e5fb14795820258d83bfba3{\nborder-radius:3px 3px 3px 3px;\npadding:30px 30px 30px 30px;\nbackground-color:#f9f9f9;\n}\n.responsive #top #wrap_all .flex_column.av-34fjbq-bc07e15a4e5fb14795820258d83bfba3{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-34fjbq-bc07e15a4e5fb14795820258d83bfba3 av_one_half  avia-builder-el-22  el_after_av_one_half  avia-builder-el-last  flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6h56eb-d6c86b571cc54cf7fcffbdbb3192d8ef\">\n#top .av-special-heading.av-6h56eb-d6c86b571cc54cf7fcffbdbb3192d8ef{\nmargin:0 0 20px 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class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4l89f7-37480ec9e5a56c1dd10441d16a1a4879\">\n#top .av-special-heading.av-4l89f7-37480ec9e5a56c1dd10441d16a1a4879{\nmargin:0 0 20px 0;\npadding-bottom:0;\ncolor:#101010;\nfont-size:20px;\n}\nbody .av-special-heading.av-4l89f7-37480ec9e5a56c1dd10441d16a1a4879 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-4l89f7-37480ec9e5a56c1dd10441d16a1a4879 .av-special-heading-tag{\nfont-size:20px;\n}\n.av-special-heading.av-4l89f7-37480ec9e5a56c1dd10441d16a1a4879 .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-4l89f7-37480ec9e5a56c1dd10441d16a1a4879 .av-subheading{\nfont-size:15px;\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top #wrap_all .av-special-heading.av-4l89f7-37480ec9e5a56c1dd10441d16a1a4879 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top #wrap_all .av-special-heading.av-4l89f7-37480ec9e5a56c1dd10441d16a1a4879 .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-4l89f7-37480ec9e5a56c1dd10441d16a1a4879 av-special-heading-h2 custom-color-heading blockquote modern-quote modern-centered  avia-builder-el-26  el_after_av_hr  el_before_av_button_big  avia-builder-el-last  av-inherit-size'><h2 class='av-special-heading-tag '  itemprop=\"headline\"  >Learn more about Active Noise Cancellation<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div><br \/>\n<div  class='avia-button-wrap avia-button-center  avia-builder-el-27  el_after_av_heading  el_before_av_hr '>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lbz4w04l-bf90a9136d60899880719963aef9adbc\">\n#top #wrap_all 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newsbox\"><h3 class=\"widgettitle\">Latest news<\/h3><ul class=\"news-wrap image_size_widget\"><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb ' title=\"Read: Acoustic design of True Wireless earphones (TWS) using COMSOL Multiphysics\" href=\"https:\/\/owolff.com\/en\/white-papers\/design-tws-earphones-using-comsol\/\"><img decoding=\"async\" loading=\"lazy\" width=\"36\" height=\"36\" src=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-36x36.jpg\" class=\"wp-image-10764 avia-img-lazy-loading-10764 attachment-widget size-widget wp-post-image\" alt=\"\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-36x36.jpg 36w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-300x300.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-1030x1030.jpg 1030w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-80x80.jpg 80w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-768x768.jpg 768w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-1536x1536.jpg 1536w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-2048x2048.jpg 2048w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-12x12.jpg 12w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-180x180.jpg 180w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-1500x1500.jpg 1500w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-705x705.jpg 705w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-120x120.jpg 120w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-450x450.jpg 450w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-24x24.jpg 24w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-48x48.jpg 48w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-600x600.jpg 600w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1-100x100.jpg 100w\" sizes=\"auto, (max-width: 36px) 100vw, 36px\" \/><\/a><div class=\"news-headline\"><a class='news-title' title=\"Read: Acoustic design of True Wireless earphones (TWS) using COMSOL Multiphysics\" href=\"https:\/\/owolff.com\/en\/white-papers\/design-tws-earphones-using-comsol\/\">Acoustic design of True Wireless earphones (TWS) using COMSOL Multiphysics<\/a><span class=\"news-time news-cats\">in: <a title=\"Read more in: Acoustics news\" href=\"https:\/\/owolff.com\/en\/category\/acoustics-news\/\">Acoustics news<\/a>, <a title=\"Read more in: White papers\" href=\"https:\/\/owolff.com\/en\/category\/white-papers\/\">White papers<\/a><\/span><\/div><\/div><\/li><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb ' title=\"Read: Advanced voice coil and wire technology for micro speakers and drivers\" href=\"https:\/\/owolff.com\/en\/white-papers\/advanced-voice-coil-and-wire-technology-for-micro-speakers-and-drivers\/\"><img decoding=\"async\" loading=\"lazy\" width=\"36\" height=\"36\" src=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-36x36.jpg\" class=\"wp-image-10710 avia-img-lazy-loading-10710 attachment-widget size-widget wp-post-image\" alt=\"\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-36x36.jpg 36w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-300x300.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-1030x1030.jpg 1030w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-80x80.jpg 80w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-768x768.jpg 768w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-12x12.jpg 12w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-180x180.jpg 180w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-705x705.jpg 705w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-120x120.jpg 120w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-450x450.jpg 450w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-24x24.jpg 24w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-48x48.jpg 48w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-600x600.jpg 600w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin-100x100.jpg 100w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/04\/linkedin.jpg 1080w\" sizes=\"auto, (max-width: 36px) 100vw, 36px\" \/><\/a><div class=\"news-headline\"><a class='news-title' title=\"Read: Advanced voice coil and wire technology for micro speakers and drivers\" href=\"https:\/\/owolff.com\/en\/white-papers\/advanced-voice-coil-and-wire-technology-for-micro-speakers-and-drivers\/\">Advanced voice coil and wire technology for micro speakers and drivers<\/a><span class=\"news-time news-cats\">in: <a title=\"Read more in: Acoustics news\" href=\"https:\/\/owolff.com\/en\/category\/acoustics-news\/\">Acoustics news<\/a>, <a title=\"Read more in: White papers\" href=\"https:\/\/owolff.com\/en\/category\/white-papers\/\">White papers<\/a><\/span><\/div><\/div><\/li><li class=\"news-content post-format-standard\"><div class=\"news-link\"><a class='news-thumb ' title=\"Read: Smart Glasses audio design using Comsol simulation tool\" href=\"https:\/\/owolff.com\/en\/white-papers\/smart-glasses-audio-design-using-comsol-simulation-tool\/\"><img decoding=\"async\" loading=\"lazy\" width=\"36\" height=\"36\" src=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/linkedin-36x36.jpg\" class=\"wp-image-10738 avia-img-lazy-loading-10738 attachment-widget size-widget wp-post-image\" alt=\"\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/linkedin-36x36.jpg 36w, 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https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/linkedin-100x100.jpg 100w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/linkedin.jpg 1080w\" sizes=\"auto, (max-width: 36px) 100vw, 36px\" \/><\/a><div class=\"news-headline\"><a class='news-title' title=\"Read: Smart Glasses audio design using Comsol simulation tool\" href=\"https:\/\/owolff.com\/en\/white-papers\/smart-glasses-audio-design-using-comsol-simulation-tool\/\">Smart Glasses audio design using Comsol simulation tool<\/a><span class=\"news-time news-cats\">in: <a title=\"Read more in: Acoustics news\" href=\"https:\/\/owolff.com\/en\/category\/acoustics-news\/\">Acoustics news<\/a>, <a title=\"Read more in: White papers\" href=\"https:\/\/owolff.com\/en\/category\/white-papers\/\">White papers<\/a><\/span><\/div><\/div><\/li><\/ul><\/div><\/div><\/p><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":5,"featured_media":2117,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[18],"tags":[],"class_list":["post-2099","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-acoustics-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>7mm high-end driver for earphones - Ole Wolff Electronics<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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