Resource
Etymotic
Engineering-driven research and manufacturing company founded to build hearing-assessment instruments, which invented insert earphones in 1984 and introduced noise-isolating balanced-armature in-ear earphones in 1991. It makes the ER4 in-ear monitors and hearing-protection products.
Verification sources
Related resources
64 Audio
manufacturer
Family-run in-ear monitor company that started in a spare bedroom and now makes universal and custom IEMs, including the Ocean model, with accessories and service support for musicians and listeners.
Sources
Abyss Headphones
manufacturer
Luxury headphone maker that has provided audio advice, products and service since 1990 and builds its headphones from scratch at its New York facility. Its range includes the Diana MRx and Diana TC Signature.
Sources
Audeze
manufacturer
Southern California headphone company built around proprietary planar-magnetic transducers, with separate audiophile, professional and gaming ranges. Its catalogue also includes electrostatic headphones, and the company says its planar-magnetic and electrostatic drivers are manufactured in Orange County.
Audio-Technica
manufacturer
Japanese audio company whose origins in phono cartridges developed into headphones, turntables and microphones for home and professional use. Its history connects the dual-magnet VM cartridge family with later monitoring headphones and recording products, retaining a substantial analogue-playback focus.
beyerdynamic
manufacturer
German audio company with a history spanning studio headphones, microphones and consumer listening products. The catalogue now also covers wireless headphones and gaming headsets, while selected headphones and microphones continue to be manufactured at its Heilbronn site.
Sources
Bowers & Wilkins
manufacturer
Bowers & Wilkins offers home loudspeakers, wireless audio systems and headphones, with a product history beginning in 1966. Its speaker engineering includes proprietary cone materials and tweeter designs, illustrated by the Continuum cones and titanium tweeters in the 600 Series.