Garmin GMA 245/245R Audio Panel
  • Descripción
  • Características
  • Condiciones de Instalacion

Garmin GMA 245/245R Audio Panel

P/N: 010-01471-01




Combines Bluetooth® Wireless Music, Phone, 3D Audio and More

GMA 245 and GMA 245R, all-digital, Bluetooth audio panels designed for experimental amateur-built (EAB) and light sport aircraft (LSA). The GMA 245 is a panel-mount audio panel with a rich set of convenient and simple-to-use controls, designed to interface with the G3X Touch™ flight display. These Bluetooth-enabled audio panels boast superior sound quality and an impressive list of additional features such as industry-leading auto squelch, music bass boost, advanced equalizer settings, 3D Audio processing, wireless integration with the VIRB® XE action camera and more. When interfaced to the G3X Touch flight display, both audio panels introduce more capabilities that allow for convenient wireless communication and offer advanced integration potential that provides pilots with an exclusive in-flight experience.


G3X Touch Meets Bluetooth Wireless Audio

Wireless communication further expands the utility of G3X Touch by allowing pilots the capability to connect a smartphone or tablet to the GMA 245/245R to easily make or receive phone calls and stream audio entertainment via Bluetooth. Incoming phone calls are annunciated by both visual and aural cues so pilots can easily make, receive or complete phone calls without significantly diverting their attention from their flight displays. The remote-mounted GMA 245R merges seamlessly with G3X Touch for a sleek installation. For pilots who wish to integrate a dedicated audio panel alongside a G3X Touch flight display, the panel-mount GMA 245 incorporates dedicated music and intercom volume control knobs, a backlit keypad and more.

Innovative Audio Feature Set

Music effects add to the rich audio characteristics provided by the GMA 245 and GMA 245R audio panels, allowing pilots to select bass boost levels as well as equalizer effects, including rock, classical and pop. Advanced auto squelch automatically adapts to the volume level within the cockpit and allows for natural conversation at all ambient noise levels. Expanding upon the exceptional quality and G3X Touch integration of the existing GTR 20/GTR 200 series radio/intercoms, the GMA 245/245R includes a 6-place stereo intercom and support for up to 3 stereo music inputs. Additionally, a built-in digital clearance recorder can record up to 60 seconds of selected COMM radio transmissions, so pilots can play back difficult clearances.

Garmin was the first to introduce 3D Audio technology to general aviation, and now the GMA 245/245R includes this capability, which mimics how pilots hear and process multiple audio sources. With stereo headsets, incoming audio is spatially separated to reflect how people process sound and conversation by differentiating audio sources and their unique locations or seat positions. For example, sound from COMM 1 will come from the left, whereas sound from COMM 2 will sound as though it’s coming from the right.

VIRB® XE Integration

Bluetooth connectivity offered by the GMA 245/245R is further extended to integrate with the Garmin VIRB® XE HD action camera. In place of a VIRB XE headset cable, the GMA 245/245R and VIRB XE connect wirelessly to allow pilots the option to overlay intercom audio and air traffic control communications while capturing high-definition video. With the GMA 245/245R, pilots are offered the option of remotely mounting VIRB XE within Bluetooth range to capture HD video at the perfect angle, without concern of the camera being in reach of a headset cable.

Contributing to an easy and convenient upgrade path, the GMA 245/245R is rack and pin-compatible* with the GMA 240, GMA 340 and third-party audio panels for experimental aircraft. For pilots seeking a standalone or remote-mount solution, the GMA 245/245R offers seamless integration with G3X Touch™. El Garmin GMA 245/245R Audio Panel esta disponible para su instalación de forma inmediata. No deje de contacatar con nosotros para pedirnos toda la información que le sea necesaria.
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Physical & Performance

  • Unit size: 6.29"W x 1.36"H x 9.06"D (159.8 x 34.5 x 230.1 mm) includes end mount rack and connectors
  • Weight: 1.39 lbs (630.49 g) includes mounting bracket and connectors
  • Electrical:11-33 VDC


  • Temperature: -20° C to +55° C (operating)
  • Altitude range: to +55,000 ft MSL unpressurized

Audio Inputs

  • Impedance: 600 ohm
  • Max. input: 5 Vrms
  • Isolation: 60 dB minimum
  • Bandwidth: 100 Hz to 6.5 kHz
  • Transceiver: 3 (including TEL)
  • Receiver: 5 (NAV1, NAV2, AUX1, AUX2, AUX3)
  • Alerts: 4 (unswitched)
  • Telephone input: 1

Intercom Functions 

  • Positions: 6 (pilot,copilot, 4 passengers)
  • Volume control: 2 (pilot, copilot/passengers)
  • VOX: Automatic (1 per MIC input)
  • Modes: Pilot, crew, all
  • MIC impedance: 150 ohm
  • MIC Bias: 11 VDC through 470 ohm
  • Keyed ICS: Configurable

Music functions      

  • Inputs: 2 (independent from Bluetooth audio)
  • Impedance: 600 ohm (differential)
  • Max. input: 3.0 Vrms
  • Gain: +24 dB Max/-96dB min
  • Input level: < 200 mVrms at max gain for full power out 3dB@1kHz Bandwidth 20 Hz to 20 kHz
  • Distortion: < 0.1% THD+N typical at full power over full bandwidth
  • Muting: Selectable and configurable


  • Supported profiles: A2DP and AVRCP (music) and HFP (phone)
  • Paired devices stored: 10
  • Connections allowed: 1 device
  • Supported devices: Phones, tablets, VIRB XE, G3X additional features
  • Volume: Set by device, and adjustable on GMA display 3dB@1kHz Bandwidth 20 Hz to 20 kHz
  • Distortion: < 0.1% THD+N typical at full power over full bandwidth
  • Firmware updates: Free and field loadable by SD card

Headphone Outputs

  • Output amplifiers: 3 Stereo (pilot, copilot, passenger)
  • Output power: 65 mW into 150 Ohms Pilot and Copilot, 260 mW into 37.5 Ohms passenger
  • Distortion: < 3% THD+N at 10% Power, < 10% THD+N at full power
  • Frequency response: 20 Hz to 20 kHz
  • Impedance rated: 150 Ohm pilot/copilot, 37.5 Ohm Passenger (4-150 Ohm headsets)
  • Impedance supported: 150 to > 600 Ohm

USB Charge Port

  • Rated power: 10 Watt
  • Max charge current: 2.1 Amps
  • Overcurrent protection: USB charge port protection with current > 2.3 Amps
  • Device supported: Any USB device
  • Charging scheme:  DCP


  • Outputs: 1
  • 28 Volt Aircraft : 10 Watt into 4 Ohm; 7 Watt into 8 Ohm
  • 14 Volt Aircraft: 3 Watt into 4 Ohm 3dB@1kHz Bandwidth 350 Hz to 6.5 kHz
  • Distortion: < 10% THD+N at full power, < 3% THD+N at 10% power

Voice Recorder

  • Record time max:  1 minute     

Code Load Options

  • G3X Touch system

User Interface

  • G3X Touch system

DIP Switch   

  • Config switches: 8 (See install manual for descriptions)

Lighting Bus

  • Voltage: 14 V or 28 V


  • Conforms to BOSCH CAN Network 2.0-B and complies with ISO 11898





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Centro autorizado para montar equipos de aviación Garmin: ES-145.177

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