Uniden BC906W Wireless CB Microphone and Speaker in a single unit, Up to 100 Yard Range, Smart Power Save, Active Noise-Canceling Technology, Clear Quality Sound : Electronics - Amazon.com
6-Pin CB PRESIDENT MIC to 4-Pin CB COBRA Radio Adapter HS-64L | eBay
RF Limited (EC-2024U/D) - Power Microphone with Turbo Digital Echo and TalkBack, Up/Down Controls, Black, Factory Wired, 6-Pin Uniden/Magnum, Mobile Comm. Microphones
Microphone Adapter for Cobra 29 Bluetooth CB radios