D104M6B Amplified Ceramic Power 4-Pin CB Microphone 302-10005 - The Home Depot
636L Noise Canceling 4-Pin CB Microphone, Stars N ft. Stripes 302-10309 - The Home Depot
CBShop - JCD 201 M Echo President
Amazon.com: Uniden BC804NC 4-Pin Noise-Canceling Microphone replacement for CB Radios, Comfortable Ergonomic Design, Rugged Construction, Clear Quality Sound, Built for the Professional Driver : Electronics
Workman DM1000 Powered Tornado Echo Mic for CB Ham Amateur Radio 4-Pin Superstar
Uniden MK393 4-Pin CB Radio Microphone
22300 - Midland 5 Pin Din Power Microphone for Midland CB Radios