Hosa GMM-303 — 3.5mm TRS to Same Coupler
GMM-303 Overview
The Hosa GMM-303 is a compact inline coupler that joins two audio cables terminated with 3.5mm TRS mini stereo phone plugs. Designed for compatibility with both mono and stereo plugs, it provides a reliable signal path extension without the need for additional adapters or patch cables. This coupler is a practical solution for audio engineers, system integrators, and technicians who need to extend or connect 3.5mm cable runs in the field or in fixed installations.
Its straightforward female-to-female configuration keeps cable management clean and minimizes signal chain complexity in portable and installed audio setups alike.
Key Features
- 3.5mm TRS to Same — female-to-female coupler joins two mini stereo phone plug cables end-to-end
- Mono and Stereo Compatible — works with both mono and stereo 3.5mm plugs for flexible application
- Inline Design — compact form factor suits tight rack spaces, cable runs, and portable rigs
- Signal Path Extension — extends existing 3.5mm cable runs without introducing a full patch cable
- Hosa Build Quality — constructed to Hosa’s standard for reliable connectivity in professional and semi-professional environments
Connectivity & I/O
- Side A: 3.5mm TRS (mini stereo phone) female
- Side B: 3.5mm TRS (mini stereo phone) female
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