Motorola XTS 2500 Portable Speaker Mic’s, Motorola Original XTS 2500 Mic’s come with different options for different uses. Battery Clearance carries a complete line of Motorola XTS 2500 Shoulder Mics. Battery Clearance carries a complete line of Remote Speaker Mics for Police, Fire and Military use. The most commonly used Motorola XTS2500 Microphone is the PMMN4045B noise canceling mic. Also available are the PMMN4051B, RMN5089B Commander with Emergency Man Down button and volume control and Channel Knob, RMN5038A with Emergency Button and Volume Control