In micro speakers and earphone drivers, the voice coil is the heart of the motor. Its job is straightforward: convert electrical current into mechanical force. But getting that conversion right both efficiently and reliably at miniature scale, is anything but.
https://owolff.com/wp-content/uploads/2026/04/linkedin.jpg10801080Thomashttps://owolff.com.linux20.curanetserver.dk/wp-content/uploads/2022/12/Logo_m_hvid_tekst_large-2-300x61.pngThomas2026-03-16 11:51:062026-04-09 13:12:37Advanced voice coil and wire technology for micro speakers and drivers
As switching power supplies become ubiquitous in modern electronics – from EV chargers to consumer appliances and communication hardware, managing Electromagnetic Interference (EMI) has never been more critical.
https://owolff.com/wp-content/uploads/2026/03/linkedin.jpg10801080Thomashttps://owolff.com.linux20.curanetserver.dk/wp-content/uploads/2022/12/Logo_m_hvid_tekst_large-2-300x61.pngThomas2026-03-03 11:51:552026-04-09 13:51:48CMC over 80V
This White paper examines how COMSOL simulations can be used to optimize the acoustic design of smart glasses, where sound is radiated in near-field or free-field conditions.
https://owolff.com/wp-content/uploads/2025/12/news-header.jpg4002048Thomashttps://owolff.com.linux20.curanetserver.dk/wp-content/uploads/2022/12/Logo_m_hvid_tekst_large-2-300x61.pngThomas2025-12-09 15:39:512025-12-12 11:27:12Inductors in modern circuits
https://owolff.com/wp-content/uploads/2025/09/news-header-scaled.jpg5002560Thomashttps://owolff.com.linux20.curanetserver.dk/wp-content/uploads/2022/12/Logo_m_hvid_tekst_large-2-300x61.pngThomas2025-09-02 10:07:022025-09-02 10:08:34Low profile Ø40mm headphone driver and the challenges in design
https://owolff.com/wp-content/uploads/2025/06/news-header-scaled.jpg5002560Thomashttps://owolff.com.linux20.curanetserver.dk/wp-content/uploads/2022/12/Logo_m_hvid_tekst_large-2-300x61.pngThomas2025-06-11 11:17:552025-06-11 11:17:56Performance analysis of headphone drivers with pistonic diaphragm versus single layer (mylar) diaphragm
https://owolff.com/wp-content/uploads/2025/02/header.jpg4002048Thomashttps://owolff.com.linux20.curanetserver.dk/wp-content/uploads/2022/12/Logo_m_hvid_tekst_large-2-300x61.pngThomas2025-02-07 14:24:282025-06-10 08:54:412-way intelligent audio interface with devices via IoT and AI
Advanced voice coil and wire technology for micro speakers and drivers
In micro speakers and earphone drivers, the voice coil is the heart of the motor. Its job is straightforward: convert electrical current into mechanical force. But getting that conversion right both efficiently and reliably at miniature scale, is anything but.
CMC over 80V
As switching power supplies become ubiquitous in modern electronics – from EV chargers to consumer appliances and communication hardware, managing Electromagnetic Interference (EMI) has never been more critical.
Smart Glasses audio design using Comsol simulation tool
This White paper examines how COMSOL simulations can be used to optimize the acoustic design of smart glasses, where sound is radiated in near-field or free-field conditions.
Inductors in modern circuits
Smart Amp
Low profile Ø40mm headphone driver and the challenges in design
Performance analysis of headphone drivers with pistonic diaphragm versus single layer (mylar) diaphragm
Waterproof microspeaker
Sophisticated diaphragm designs for micro drivers/speakers
2-way intelligent audio interface with devices via IoT and AI