Table 1-4 Speaker Output - Garmin GMA 245 Installation Manual

Audio panel

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Pilot's manual (30 pages)

Table Of Contents

Table of Contents

Characteristic

Headphone

Outputs

Music Functions

Bluetooth

Connectivity

USB Charge Port

Aircraft Voltage

14V

28V

190-01879-11

Rev. 6

Table 1-3 Electrical Characteristics

Output amplifiers: 3 Stereo - Pilot, Copilot, Passengers

Power, Load, and Distortion: 65 mW into 150 Ohms with <10%

THD+N @ 10% output <3% THD+N

Typical Operating Distortion: <1% THD+N

3dB Frequency Response Bandwidth: 20 Hz to 20 kHz for Music

350 Hz to 6.5 kHz for Other Audio (MICs, Radios, Alerts)

Music inputs (stereo): 2

Music input impedance: 600 Ω (differential)

Music gain: +24dB @ max. volume

Music input level:<200 mVrms for full power* output @ max music volume knob

position (typ.)

3.0 Vrms max music input level

Music bandwidth: 20 Hz to 20 kHz @ full power output

Music distortion: <0.1% THD+N (typ.) @ full power, full bandwidth

*Full power output refers to 65 mW into 150 Ω at the headset

Bluetooth 3.00 Compliant, allows music, cell phone calls, and interface with the

VIRB XE action camera. Bluetooth supports HFP (including HFP v1.6 Wide

Band Speech mode), A2DP, and AVRCP.

The GMA stores 10 paired devices and overwrites the least recently connected

device when a new device is paired. Only 1 Bluetooth connection allowed at one

time. The VIRB XE cannot be connected when using a phone (and vice versa).

USB charge port - Rated for 10 W. The GMA 245 charge port features USB port

detection that will connect the optimum charge rate for the device connected.

The charge port supports a maximum of 2.1 Amp charge current for devices.

The USB charge port will shutdown and protect the GMA for current draw above

2.3 Amps.