Vintage Uniden High-Impedance 4-Pin Electret Condenser CB Radio Mic w/ PTT
1× Uniden electret condenser microphone exactly as pictured. • Bench-tested on a Uniden PRO510XL—PTT keys cleanly, transmit audio is strong and clear. 🔍 Microphone Type: Electret Condenser. • Uniden PRO series (PRO510XL, PRO520XL, etc.).