Description
Overview
Bluetooth® Audio Panel for Your Certified Avionics
Bringing rich “home theater” quality sound and wireless Bluetooth¹ audio connectivity to your avionics stack, the GMA 345 digital audio panel offers a superior inflight audio experience at an affordable price. Featuring 3-D spatial sound processing, a USB charging port, marker beacon receiver, advanced Auto Squelch, clearance playback and impressive audio mixing and distribution features, this all-digital unit offers the ideal blend of capabilities for pilots who want to hear and do more with less effort in the cockpit. Plus, it’s an easy slide-in upgrade from select third-party audio panels or legacy GMA 340 units. Connect Wirelessly with Bluetooth
Listen in Virtual 3-D
Get Instant Replay on ATC Calls and Clearances
Experience Advanced Audio Processing
Capture Cockpit Audio on Your Video
Easy Installation/Upgrade
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Specifications
Physical & Performance
- Electrical: 14-28 VDC
- Unit Size: 6.3″W x 1.33″H x 8.09″D (160 x 34 x 205 mm), includes mounting rack and connectors
- Weight: 1.78 lbs (807.4 g), includes rack, backplate and connectors
Environmental
- Temperature: -20° C to +55° C (operating)
- Altitude range: to +55,000 ft. MSL unpressurized
- Power requirements: 11 to 33 VDC input
Radio 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
- Bandwidth: 20 Hz to 20 kHz
- Distortion: < 0.1% THD+N typical at full power over full bandwidth
- Muting: Selectable and configurable
- Volume Control: Knob controlled (Pilot and copilot/passenger)
Bluetooth
- Supported profiles: A2DP (music streaming), AVRCP (music playback control) and HFP (phone)
- Paired devices stored: 10
- Connections allowed: 1 device
- Supported devices: Phones, tablets, VIRB XE, VIRB Ultra 30 and select 3rd party cameras
- Volume: Set by device and adjustable using GMA controls
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
COM/TEL Microphone Outputs
- Output power: 15 mW into 150 Ohms (1.5 Vrms)
- Distortion: < 3% THD+N at 10% power, < 10% THD+N at full power
- Frequency response: 300 Hz to 6 kHz
USB Charge Port
- Rated power: 10 Watt
- Max charge current: 2.1 Amps
- Overcurrent protection: USB charge port protection with current > 2.3 Amps
- Charging scheme: DCP
Speaker
- Outputs: 1
- 28 Volt aircraft: 10 Watt into 4 Ohm; 7 Watt into 8 Ohm
- 14 Volt aircraft: 3 Watt into 4 Ohm; 8 Ohm Not Recommended
- 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
- SD Card
DIP Switch
- Config switches: 8 (see install manual for descriptions)
Lighting Bus
- Voltage: 14 V or 28 V
In The Box
- GMA 345 audio panel
- Installation kit
- Pilot’s guide
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