Two Way Radio Headsets & Boom Microphones

Motorola RMN4055B, RMN4055B, RMN4055A, RMN4055: The RMN4055B Motorola Headset features Black Color, Over-The-Head Style, Listen Only, Coiled Cord, 3.5mm L Shape Plug, Replaceable Ear Seals, Non Threaded, Dual Muff and Rated 25dB. The RMN4055B is designed for high noise environments where users must hear information clearly, but seldom need to transmit. The RMN4055B is designed to plug into the Accessory Port located on the Speaker Mic or an Adapter mounted to the radio  

Motorola RMN4056B, RMN4056B, RMN4056: The RMN4056B Motorola Headset features Over-the-Head Style, Dual Ear Muff, Noise Reduction Rating 25dB, 3.5mm Threaded Jack, Great for Noisy Environments where the user needs to hear critical information with limited need to Transmit