The Hosa GMP112 is a compact stereo adapter designed to connect gear with a standard 1/4" TRS plug to devices using a 3.5mm stereo input. It’s one of those small accessories that ends up becoming surprisingly useful in studios, rehearsal spaces, live rigs, and everyday listening setups.
Whether you’re adapting headphones, connecting audio equipment to portable devices, or integrating consumer electronics with professional gear, the GMP112 provides a simple and dependable solution.
Musicians, engineers, podcasters, and content creators often keep adapters like this close by because modern audio setups regularly involve a mix of connection types. Having the right adapter prevents frustration and keeps sessions moving smoothly.
The GMP112 uses a TRS stereo configuration, allowing proper left and right channel audio transmission between devices. That matters when monitoring through headphones, routing playback audio, or connecting stereo sources to mixers and interfaces.
Hosa has long been known for practical, reliable audio accessories that hold up well in everyday use without overcomplicating things.
This type of adapter is especially common in home studios and live environments where musicians regularly switch between professional audio equipment and portable devices.
Keyboard players, recording musicians, DJs, and content creators often use adapters like the GMP112 to simplify monitoring setups or integrate playback devices into larger systems.
It’s small enough to keep in a gig bag, cable case, or studio drawer, and once you have one, it tends to get used constantly.
Adapters may not be the most exciting part of an audio setup, but reliable signal flow matters. Poor-quality connectors can introduce crackling, intermittent audio, or loose connections that create unnecessary headaches during rehearsals or performances.
The Hosa GMP112 is designed to provide a secure fit and dependable stereo connection for everyday use.
At Roxy Music, we’ve been helping musicians and audio professionals build reliable setups since 1939. We understand how often the smallest accessories become the most important part of a rig, especially when you’re troubleshooting connections before a session or performance.
Our staff works with musicians, recording enthusiasts, and live performers every day, and we’re always happy to help match the right cables and adapters to your setup. Learn more about our family-owned music store on our About Us page.
The Hosa GMP112 adapter offers a simple, dependable way to connect professional and portable audio gear while maintaining clean stereo signal performance.
Questions? Call 219-362-2340 or contact us. Real musicians, no pressure.
