Motorola Original RMN4051A: Medium Weight Hard Hat Mount Headset. (Hard Hat not included) Noise-canceling boom microphone mounts easily to hardhats with slots. Noise reduction of 22dB. Easily replaceable ear-seals are filled with liquid and foam combination to provide excellent sealing and comfort. 3-foot coil cord assembly. Requires separate in-line PTT adapter cable(sold separate) specific to your radio model.

Fits:GP300,GP350,HT750,HT1250,HT1000,JT1000,MT2000,MTS2000,MTX-LS,MTX850,MTX8250,950,MTX9250,MTX8000,MTX9000,P1225.P110,P1225LS,SP50,SP50+,XTS2500,XTS3000,XTS3500,XTS5000 .
NOTE: To avoid confusion, for ordering purposes, the suffix letter after the stock number is not listed.