Description
LOT OF 5 ECHO POWER MIC NEW dynamic power microphone with echo. Wired for 4 pin Cobra, Galaxy, Unden, and other CB radios*. Rear adjustable echo level and delay control. Adjustable gain controls on back VR2 output volume level and VR3 talk back volume control. REQUIRES A 9V BATTERY SPECIFICATIONS:Sensitivity: -70+/- 3dB (at 1KHz)Impedance: 500 ohm Frequency Response: 300~6KHzMil 10 Mic Cable WIRING: PIN 1 - Shield / Ground 2 - Audio 3 - TX PTT 4 - REX Visit our eBay store for other radio accessories.