| Brand | Bose |
|---|---|
| Warranty | 1 Year |
| Compatible Make | Aviat |
| Manufacturer Part Number | 317831-0040 |
| Compatible Model | Bose A20 |
| Country of Origin | China |
Check the listing for details. Bose A20 General Aviation Headset Electret High Impedance Boom Microphone. Condition: New, Made in China. Listed at 179.00 USD. Microphone Electret Bias required: 8 to 16 VDC through 220 to 2200 Ohms. Sensitivity: Varies depending on bias and AC radio input impedance. Typical output is 600 mV at 114 dB SPL.