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 Uranus
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
Rossi & Wing
技術より、音楽性を。 Rossi&Wing（R&W）は、世界のオーディオ業界のベテランたちによる R&D チーム「ROSSI」と、Zephon Wing が共同で創業した台湾のオーディオブランドです。シェルとドライバーをひとつの楽器として設計する思想のもと、「Musicality Above Technicality」を掲げています。 台湾のアーティスト Cypress Tsai と生み出した LUA シリーズでは、イヤホンを一枚のキャンバスとして、音と物語とアートをひとつに結びました。
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