QoA
A brand that uses drivers from Sonion and Knowles—ranging from entry-level to high-end models—and strives for a unique design aesthetic. Its product names are inspired by cocktail names.
Latest ModelQoA Martini Limited Edition
Brands We Carry
SoundEarth serves as the exclusive distributor in Japan for all of these brands. For product details, please visit each brand’s official Japanese website.
Melody Wings
A high-end IEM brand inspired by the stars of the Milky Way. Equipped with high-precision 3D scanners, HeyGears 3D printers, and electroacoustic testing systems, the company handles everything in-house—from structural design to painting.
Latest ModelMelody Wings Neptune
DUNU
A brand that traces its origins to ODM/OEM work for major audio companies and has been dedicated to the development and manufacture of earphones since 1994. It produces high-resolution-compatible dynamic and hybrid models.
Latest ModelDUNU PRS6
Official website coming soon
Rossi & Wing
The official Japanese website is currently under construction. Please wait a little while until it goes live.
Latest ModelLUA Celestian
Official website coming soon
AFUL
This brand began as a team of audio specialists and has been driving development centered on its proprietary audio lab and high-quality 3D printing. It holds three technical patents related to circuit topology and acoustic structures.
Latest ModelAFUL Performer 8S
UCOTECH
Under the motto “Think New, More Innovative,” this brand handles every step of the process in-house, from component research and development to the manufacturing of finished products. Its design philosophy is to infuse each model with its own unique character.
Latest ModelUCOTECH E1