Affordable Audio Control for Your Certified Avionics
Draws on top-end Garmin audio technology for “home theater” quality sound with dedicated music volume knobs for pilot and copilot
3D Audio processing helps pilots “locate” inputs coming into their headsets
Advanced Auto Squelch technology automatically adapts to quiet or noisy environments without clipping words or cutting out during conversation
Digital voice recorder offers instant replay of comm radio inputs
Offers slide-in replacement upgrade for GMA 340 and select third-party audio panels
For pilots who want the best of the basics in audio control, combined with rich “home theater” quality sound, the GMA 342 all-digital audio panel is a perfect fit. It’s affordably priced yet loaded with features previously found only on high-end audio management systems. Plus, for easy system upgrade, it offers direct slide-in replacement for legacy GMA 340 or select third-party audio control panels. So it doesn’t take long for your installer to pull out the old and slide in the new.

GMA™ 342

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With its advanced sound processing and distribution features, GMA 342 offers a superior inflight audio experience. It can support dual comm, dual nav, 3 aux receivers and 2 wired stereo music inputs — enhanced with bass boost levels, equalizer settings and exclusive 3D Audio technology that spatially separates the multiple communication sources entering your headset. Other highlights include industry-leading Auto Squelch, a digital clearance recorder and marker beacon receiver. A 3.5-mm audio jack on the faceplate allows smartphones, tablets or music players to be plugged in and routed through the cabin headsets, with selectable instant muting when radio calls are received from ATC.
GMA 342 really shines when it comes to music support. You can connect up to 2 dedicated stereo music sources via the unit’s rear connectors (think of a wired SiriusXM® satellite music receiver plus an auxiliary music device), and then add a third mobile device into the front plug-in jack. You can select any one of these 3 sources from the audio unit, so it’s easy to route cell phone calls or music inputs to pilot, copilot and passenger headsets — up to 6 locations in all.
For your radio communications, advanced 3-D digital sound processing, first introduced to general aviation by Garmin, enables GMA 342 to approximate how the human ear normally hears and registers multiple audio sources in space. With stereo headsets, incoming audio is spatially separated to reflect how different audio sources come from different directions around you. This makes it easier to distinguish one source from another — and helps you focus on the higher-priority calls coming into your headset. For example, COMM 1 will seem like it’s coming from the left while COMM 2 will seem to be coming from the right.
To further enhance the cockpit audio experience, advanced Auto Squelch technology on GMA 342 automatically adapts to a quiet or noisy environment without clipping words or cutting out during conversation. A high-performance digital signal processor constantly monitors ambient noise level and automatically adjusts the mic squelch level required to keep intercom conversation as comfortable and natural as possible — whether you’re talking over engine noise in flight or quietly going through your preflight checklist on the ground. The unit’s Auto Squelch technology automatically adjusts for these variances, allowing you to speak at normal levels, no matter what the ambient sound conditions may be.

GMA™ 342

Easy Connections, Better Communications

Enjoy a Little Traveling Music

Listen in Virtual 3-D

Get Instant Replay on ATC Calls and Clearances

High-performance Auto Squelch

Namibia Instruments & Avionics

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Designed by Bruce Cubitt