{"id":6312,"date":"2023-09-18T10:36:45","date_gmt":"2023-09-18T08:36:45","guid":{"rendered":"https:\/\/owolff.com\/?p=6312"},"modified":"2024-03-07T12:12:42","modified_gmt":"2024-03-07T10:12:42","slug":"drivers-smaller-than-5mm","status":"publish","type":"post","link":"https:\/\/owolff.com\/ch\/acoustics-news\/drivers-smaller-than-5mm\/","title":{"rendered":"Ole Wolff drivers <5mm"},"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' 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srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/header.jpg 2048w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/header-300x59.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/header-1030x201.jpg 1030w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/header-768x150.jpg 768w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/header-1536x300.jpg 1536w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/header-1500x293.jpg 1500w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/header-705x138.jpg 705w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/><\/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-6312'><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\">September 18, 2023 \/<\/span><\/span><span class=\"av-post-metadata-content av-post-metadata-separator\"> Acoustic news<\/span><\/p>\n<\/div><\/section><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4x0qg8-8614bd7e6a409b276b0c55c91051aa84\">\n#top .av-special-heading.av-4x0qg8-8614bd7e6a409b276b0c55c91051aa84{\nmargin:0 0 20px 0;\npadding-bottom:0;\ncolor:#101010;\n}\nbody .av-special-heading.av-4x0qg8-8614bd7e6a409b276b0c55c91051aa84 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-4x0qg8-8614bd7e6a409b276b0c55c91051aa84 .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-4x0qg8-8614bd7e6a409b276b0c55c91051aa84 .av-subheading{\nfont-size:21px;\n}\n<\/style>\n<div  class='av-special-heading av-4x0qg8-8614bd7e6a409b276b0c55c91051aa84 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\"  >Ole Wolff drivers smaller than 5mm<\/h1><div class='av_custom_color av-subheading av-subheading_below'><p>4.9mm and the extremely small 4.2mm driver<\/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>Drivers smaller than 5mm are ideal for applications where space is limited and precision is required. Some typical uses for drivers of this size are TWS earphones and OTC hearing aids.<\/p>\n<p>In these applications, the small size of the driver is crucial for fitting into compact spaces without compromising the quality of sound produced.<br \/>\nOle Wolff have developed a new 4.9mm driver which is a new version of the <a href=\"https:\/\/products.owolff.com\/acoustics\/drivers\/OWR-0504T-16\" target=\"_blank\" rel=\"noopener\">OWR-0504T-16<\/a> driver already on the market, as well as an extremely small 4.2mm driver which enables a direct fit into the ear canal. Both drivers are still on engineering stage.<\/p>\n<p>Please <a href=\"https:\/\/owolff.com\/ch\/contact\/\">contact us<\/a> for more information.<\/p>\n<\/div><\/section><\/p><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-34fjbq-5-c4d20e92f2150180cde8d6b4bfe10899\">\n#top .flex_column.av-34fjbq-5-c4d20e92f2150180cde8d6b4bfe10899{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n.flex_column.av-34fjbq-5-c4d20e92f2150180cde8d6b4bfe10899{\nborder-radius:3px 3px 3px 3px;\npadding:30px 30px 30px 30px;\nbackground-color:#f9f9f9;\n}\n.responsive #top #wrap_all .flex_column.av-34fjbq-5-c4d20e92f2150180cde8d6b4bfe10899{\nmargin-top:50px;\nmargin-bottom:0px;\n}\n<\/style>\n<div  class='flex_column av-34fjbq-5-c4d20e92f2150180cde8d6b4bfe10899 av_one_half  avia-builder-el-5  el_after_av_one_half  el_before_av_section  avia-builder-el-last  flex_column_div'     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4mw5g8-cf62dcd2821238013e161ba204f090fa\">\n#top .av-special-heading.av-4mw5g8-cf62dcd2821238013e161ba204f090fa{\nmargin:0 0 20px 0;\npadding-bottom:10px;\ncolor:#101010;\nfont-size:20px;\n}\nbody .av-special-heading.av-4mw5g8-cf62dcd2821238013e161ba204f090fa .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all .av-special-heading.av-4mw5g8-cf62dcd2821238013e161ba204f090fa .av-special-heading-tag{\nfont-size:20px;\n}\n.av-special-heading.av-4mw5g8-cf62dcd2821238013e161ba204f090fa .special-heading-inner-border{\nborder-color:#101010;\n}\n.av-special-heading.av-4mw5g8-cf62dcd2821238013e161ba204f090fa .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-4mw5g8-cf62dcd2821238013e161ba204f090fa .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-4mw5g8-cf62dcd2821238013e161ba204f090fa .av-special-heading-tag{\nfont-size:0.8em;\n}\n}\n<\/style>\n<div  class='av-special-heading av-4mw5g8-cf62dcd2821238013e161ba204f090fa av-special-heading-h2 custom-color-heading blockquote modern-quote modern-centered  avia-builder-el-6  el_before_av_button_big  avia-builder-el-no-sibling  av-inherit-size'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >Ole Wolff drivers<\/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-7  el_after_av_heading  el_before_av_hr  button-front-2'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lbz4w04l-44a9d6a184e7628bc33fd8db2bc11bee\">\n#top #wrap_all .avia-button.av-lbz4w04l-44a9d6a184e7628bc33fd8db2bc11bee{\ncolor:#bf4542;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all 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data-av_iconfont='entypo-fontello' ><\/span><\/a><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lfaqmtgi-5548186a99ac0483e3b08a3cfcc9c8fb\">\n#top .hr.hr-invisible.av-lfaqmtgi-5548186a99ac0483e3b08a3cfcc9c8fb{\nheight:75px;\n}\n<\/style>\n<div  class='hr av-lfaqmtgi-5548186a99ac0483e3b08a3cfcc9c8fb hr-invisible  avia-builder-el-8  el_after_av_button_big  el_before_av_heading  avia-builder-el-first'><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-38gy88-bab0091e8adf6ba9cbadefdfb5a654a2\">\n#top .av-special-heading.av-38gy88-bab0091e8adf6ba9cbadefdfb5a654a2{\nmargin:0 0 20px 0;\npadding-bottom:10px;\ncolor:#101010;\nfont-size:20px;\n}\nbody .av-special-heading.av-38gy88-bab0091e8adf6ba9cbadefdfb5a654a2 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n#top #wrap_all 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class='av-special-heading-tag'  itemprop=\"headline\"  >For more info, please contact us<\/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-10  el_after_av_heading  el_before_av_hr  button-front-2'>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lbz4w04l-4-2a5206f43246aaabc390f1234893bfad\">\n#top #wrap_all .avia-button.av-lbz4w04l-4-2a5206f43246aaabc390f1234893bfad{\ncolor:#bf4542;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-lbz4w04l-4-2a5206f43246aaabc390f1234893bfad:hover{\nbackground-color:#f9f9f9;\ncolor:#ffffff;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-lbz4w04l-4-2a5206f43246aaabc390f1234893bfad .avia-svg-icon svg:first-child{\nfill:#bf4542;\nstroke:#bf4542;\n}\n#top #wrap_all .avia-button.av-lbz4w04l-4-2a5206f43246aaabc390f1234893bfad:hover .avia-svg-icon 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srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/03\/news-header-36x36.jpg 36w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/03\/news-header-80x80.jpg 80w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/03\/news-header-180x180.jpg 180w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/03\/news-header-120x120.jpg 120w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/03\/news-header-300x300.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/03\/news-header-100x100.jpg 100w\" 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\/ch\/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\/ch\/category\/acoustics-news\/\">\u58f0\u5b66\u65b0\u95fb<\/a>, <a title=\"Read more in: White papers\" href=\"https:\/\/owolff.com\/ch\/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\/ch\/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\/news-header-36x36.jpg\" class=\"wp-image-10485 avia-img-lazy-loading-10485 attachment-widget size-widget wp-post-image\" alt=\"\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/news-header-36x36.jpg 36w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/news-header-80x80.jpg 80w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/news-header-180x180.jpg 180w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/news-header-120x120.jpg 120w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/news-header-300x300.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/news-header-100x100.jpg 100w\" 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\/ch\/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\/ch\/category\/acoustics-news\/\">\u58f0\u5b66\u65b0\u95fb<\/a>, <a title=\"Read more in: White papers\" href=\"https:\/\/owolff.com\/ch\/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: Super Linear Micro speaker OWS-082030TA-8\" href=\"https:\/\/owolff.com\/ch\/acoustics-news\/super-linear-micro-speaker-ows-082030ta-8\/\"><img decoding=\"async\" loading=\"lazy\" width=\"36\" height=\"36\" src=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/header-36x36.jpg\" class=\"wp-image-10433 avia-img-lazy-loading-10433 attachment-widget size-widget wp-post-image\" alt=\"\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/header-36x36.jpg 36w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/header-80x80.jpg 80w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/header-180x180.jpg 180w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/header-120x120.jpg 120w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/header-300x300.jpg 300w, https:\/\/owolff.com\/wp-content\/uploads\/2026\/01\/header-100x100.jpg 100w\" sizes=\"auto, (max-width: 36px) 100vw, 36px\" \/><\/a><div class=\"news-headline\"><a class='news-title' title=\"Read: Super Linear Micro speaker OWS-082030TA-8\" href=\"https:\/\/owolff.com\/ch\/acoustics-news\/super-linear-micro-speaker-ows-082030ta-8\/\">Super Linear Micro speaker OWS-082030TA-8<\/a><span class=\"news-time news-cats\">in: <a title=\"Read more in: Acoustics news\" href=\"https:\/\/owolff.com\/ch\/category\/acoustics-news\/\">\u58f0\u5b66\u65b0\u95fb<\/a><\/span><\/div><\/div><\/li><\/ul><\/div><\/div><\/p><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lmon6en7-16c823a001e2f237da313360d67c744e\">\n.avia-section.av-lmon6en7-16c823a001e2f237da313360d67c744e{\nbackground-color:#f9f9f9;\nbackground-image:unset;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-lmon6en7-16c823a001e2f237da313360d67c744e main_color avia-section-default avia-no-border-styling avia-bg-style-scroll 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-6312'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-3ni594-4091e66b3a5acf062b3d0b36148452fb\">\n#top .av-special-heading.av-3ni594-4091e66b3a5acf062b3d0b36148452fb{\nmargin:30px 0 0 0;\npadding-bottom:20px;\n}\nbody .av-special-heading.av-3ni594-4091e66b3a5acf062b3d0b36148452fb .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-3ni594-4091e66b3a5acf062b3d0b36148452fb .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-3ni594-4091e66b3a5acf062b3d0b36148452fb av-special-heading-h4'><h4 class='av-special-heading-tag'  itemprop=\"headline\"  >4.9mm driver<\/h4><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-619f88-b1093d0ad46f1af804de311b42cf0f2a\">\n.flex_column.av-619f88-b1093d0ad46f1af804de311b42cf0f2a{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-619f88-b1093d0ad46f1af804de311b42cf0f2a av_three_fifth first flex_column_div av-zero-column-padding'     ><div  class='avia-slideshow av-lmonmajz-1dccf423fc9cbd0611dc4b5c8b4f9939 avia-slideshow-no scaling av_slideshow avia-slide-slider av-slideshow-ui av-control-default av-slideshow-autoplay av-loop-endless av-loop-manual-endless av-default-height-applied avia-slideshow-2' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:true,&quot;loop_autoplay&quot;:&quot;endless&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: 39.797297297297%;'><li  class='avia-slideshow-slide av-lmonmajz-1dccf423fc9cbd0611dc4b5c8b4f9939__0  slide-1 slide-odd'><div data-rel='slideshow-2' class='avia-slide-wrap'   ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-6372 avia-img-lazy-loading-not-6372\"  src=\"https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.9_3d_NEW.png\" width=\"1480\" height=\"589\" title='4.9_3d_NEW' alt=''  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.9_3d_NEW.png 1480w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.9_3d_NEW-300x119.png 300w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.9_3d_NEW-1030x410.png 1030w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.9_3d_NEW-768x306.png 768w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.9_3d_NEW-705x281.png 705w\" sizes=\"(max-width: 1480px) 100vw, 1480px\" \/><\/div><\/li><li  class='avia-slideshow-slide av-lmonmajz-1dccf423fc9cbd0611dc4b5c8b4f9939__1  slide-2 slide-even'><div data-rel='slideshow-2' class='avia-slide-wrap'   ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-6370 avia-img-lazy-loading-not-6370\"  src=\"https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.9_mech-drawing_NEW.png\" width=\"1480\" height=\"589\" title='4.9_mech drawing_NEW' alt=''  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.9_mech-drawing_NEW.png 1480w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.9_mech-drawing_NEW-300x119.png 300w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.9_mech-drawing_NEW-1030x410.png 1030w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.9_mech-drawing_NEW-768x306.png 768w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.9_mech-drawing_NEW-705x281.png 705w\" sizes=\"(max-width: 1480px) 100vw, 1480px\" \/><\/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=\"\u4e0a\u4e00\u9875\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewbox=\"0 0 15 32\" preserveaspectratio=\"xMidYMid meet\" aria-labelledby='av-svg-title-1' aria-describedby='av-svg-desc-1' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-1'>\u4e0a\u4e00\u9875<\/title>\n<desc id='av-svg-desc-1'>\u4e0a\u4e00\u9875<\/desc>\n<path d=\"M14.464 27.84q0.832 0.832 0 1.536-0.832 0.832-1.536 0l-12.544-12.608q-0.768-0.768 0-1.6l12.544-12.608q0.704-0.832 1.536 0 0.832 0.704 0 1.536l-11.456 11.904z\"><\/path>\n<\/svg><span class='avia_hidden_link_text'>\u4e0a\u4e00\u9875<\/span><\/a><a href='#next' class='next-slide  avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='right-open-big' data-av_iconset='svg_entypo-fontello' tabindex='-1' title=\"\u4e0b\u4e00\u9875\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewbox=\"0 0 15 32\" preserveaspectratio=\"xMidYMid meet\" aria-labelledby='av-svg-title-2' aria-describedby='av-svg-desc-2' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-2'>\u4e0b\u4e00\u9875<\/title>\n<desc id='av-svg-desc-2'>\u4e0b\u4e00\u9875<\/desc>\n<path d=\"M0.416 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'>\u4e0b\u4e00\u9875<\/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><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4alz8o-252538aa08d0df6e34f54589d4271b3b\">\n.flex_column.av-4alz8o-252538aa08d0df6e34f54589d4271b3b{\nborder-radius:5px 5px 5px 5px;\npadding:10px 10px 0 15px;\nbackground-color:#702423;\n}\n<\/style>\n<div  class='flex_column av-4alz8o-252538aa08d0df6e34f54589d4271b3b av_two_fifth flex_column_div'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lmoninck-6f8795b6a92415ba5ee92a94fad8d9df\">\n#top .av_textblock_section.av-lmoninck-6f8795b6a92415ba5ee92a94fad8d9df .avia_textblock{\nfont-size:14px;\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-lmoninck-6f8795b6a92415ba5ee92a94fad8d9df'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><ul>\n<li>Only \u00d8 4.9mm<\/li>\n<li>Optimized for outstanding ANC performance<\/li>\n<li>Low distortion due to very linear diaphragm motion and optimized motor.<\/li>\n<li>Excellent performance\/size ratio<\/li>\n<li>Based on automatic production setup<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-29mnwo-01f076a80a3f6db65a20274cde9f4119\">\n#top .av-special-heading.av-29mnwo-01f076a80a3f6db65a20274cde9f4119{\nmargin:80px 0 0 0;\npadding-bottom:20px;\n}\nbody .av-special-heading.av-29mnwo-01f076a80a3f6db65a20274cde9f4119 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-29mnwo-01f076a80a3f6db65a20274cde9f4119 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-29mnwo-01f076a80a3f6db65a20274cde9f4119 av-special-heading-h4'><h4 class='av-special-heading-tag'  itemprop=\"headline\"  >4.2mm driver<\/h4><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-bel3s-017a10d19ad11f1311c309d14da7b8d2\">\n.flex_column.av-bel3s-017a10d19ad11f1311c309d14da7b8d2{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-bel3s-017a10d19ad11f1311c309d14da7b8d2 av_three_fifth first flex_column_div av-zero-column-padding'     ><div  class='avia-slideshow av-lmonmajz-3-4c00265fb48083fbb51e0282e1039eb4 avia-slideshow-no scaling av_slideshow avia-slide-slider av-slideshow-ui av-control-default av-slideshow-autoplay av-loop-endless av-loop-manual-endless av-default-height-applied avia-slideshow-3' data-slideshow-options=\"{&quot;animation&quot;:&quot;slide&quot;,&quot;autoplay&quot;:true,&quot;loop_autoplay&quot;:&quot;endless&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: 40.321402483565%;'><li  class='avia-slideshow-slide av-lmonmajz-3-4c00265fb48083fbb51e0282e1039eb4__0  slide-1 slide-odd'><div data-rel='slideshow-3' class='avia-slide-wrap'   ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-6368 avia-img-lazy-loading-not-6368\"  src=\"https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.2_3d_NEW.png\" width=\"1369\" height=\"552\" title='4.2_3d_NEW' alt=''  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.2_3d_NEW.png 1369w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.2_3d_NEW-300x121.png 300w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.2_3d_NEW-1030x415.png 1030w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.2_3d_NEW-768x310.png 768w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.2_3d_NEW-705x284.png 705w\" sizes=\"(max-width: 1369px) 100vw, 1369px\" \/><\/div><\/li><li  class='avia-slideshow-slide av-lmonmajz-3-4c00265fb48083fbb51e0282e1039eb4__1  slide-2 slide-even'><div data-rel='slideshow-3' class='avia-slide-wrap'   ><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-6364 avia-img-lazy-loading-not-6364\"  src=\"https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.2_mech-drawing.png\" width=\"1369\" height=\"552\" title='4.2_mech drawing' alt=''  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.2_mech-drawing.png 1369w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.2_mech-drawing-300x121.png 300w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.2_mech-drawing-1030x415.png 1030w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.2_mech-drawing-768x310.png 768w, https:\/\/owolff.com\/wp-content\/uploads\/2023\/09\/4.2_mech-drawing-705x284.png 705w\" sizes=\"(max-width: 1369px) 100vw, 1369px\" \/><\/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=\"\u4e0a\u4e00\u9875\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewbox=\"0 0 15 32\" preserveaspectratio=\"xMidYMid meet\" aria-labelledby='av-svg-title-3' aria-describedby='av-svg-desc-3' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-3'>\u4e0a\u4e00\u9875<\/title>\n<desc id='av-svg-desc-3'>\u4e0a\u4e00\u9875<\/desc>\n<path d=\"M14.464 27.84q0.832 0.832 0 1.536-0.832 0.832-1.536 0l-12.544-12.608q-0.768-0.768 0-1.6l12.544-12.608q0.704-0.832 1.536 0 0.832 0.704 0 1.536l-11.456 11.904z\"><\/path>\n<\/svg><span class='avia_hidden_link_text'>\u4e0a\u4e00\u9875<\/span><\/a><a href='#next' class='next-slide  avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='right-open-big' data-av_iconset='svg_entypo-fontello' tabindex='-1' title=\"\u4e0b\u4e00\u9875\"><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"15\" height=\"32\" viewbox=\"0 0 15 32\" preserveaspectratio=\"xMidYMid meet\" aria-labelledby='av-svg-title-4' aria-describedby='av-svg-desc-4' role=\"graphics-symbol\" aria-hidden=\"true\">\n<title id='av-svg-title-4'>\u4e0b\u4e00\u9875<\/title>\n<desc id='av-svg-desc-4'>\u4e0b\u4e00\u9875<\/desc>\n<path d=\"M0.416 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'>\u4e0b\u4e00\u9875<\/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><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-4alz8o-2-90e34dec452b3890ea02c18fd78cd465\">\n.flex_column.av-4alz8o-2-90e34dec452b3890ea02c18fd78cd465{\nborder-radius:5px 5px 5px 5px;\npadding:10px 10px 0 15px;\nbackground-color:#702423;\n}\n<\/style>\n<div  class='flex_column av-4alz8o-2-90e34dec452b3890ea02c18fd78cd465 av_two_fifth flex_column_div'     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lmoninck-1-8d5134c062ce74298294d10fc9d20e92\">\n#top .av_textblock_section.av-lmoninck-1-8d5134c062ce74298294d10fc9d20e92 .avia_textblock{\nfont-size:14px;\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-lmoninck-1-8d5134c062ce74298294d10fc9d20e92'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><ul>\n<li>Extremely small, only \u00d8 4.2mm<\/li>\n<li>Small diameter allows for placement close to the eardrum which improves HF performance<\/li>\n<li>Small form factor can free up space for microphones, batteries, sensors etc.<\/li>\n<li>Excellent for ANC<\/li>\n<li>Low distortion due to very linear diaphragm motion and optimized motor.<\/li>\n<li>Class leading performance\/size ratio<\/li>\n<li>Based on automatic production setup<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='after_section_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-6312'><div class='entry-content-wrapper clearfix'><\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":5,"featured_media":6375,"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-6312","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 v27.2 - 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