• Electret Condenser Replacement Microphone, Wired for 4-pin radios.
• Built to be trucker tough
• 8ft flexible cord that is extra flexible and coiled.
• This 4-pin CB microphone is the model that comes with the PRO505XL, and is the factory replacement for that CB radio. This microphone will also work with any radio wired 4-pin Uniden, including the following models: PRO505XL, PRO510XL, PRO520XL, and PRO538W
• Comfortable ergonomic design, rugged construction, clear quality sound that is built for the professional driver.
You might want to take a closer look.