Motorola HMN4104B IMPRES Remote Speaker Mic w/Display & Channel Knob

Motorola HMN4104B Radio Mic:This HMN4104BSpeaker Mic is a Motorola Original HMN4104B IMPRES Remote Speaker Microphone. The HMN4104B Shouider Mic is for APX 6000 and APX 7000. Made with the same speaker used in the APX 7000 portable radio and delivers audio that is clearer, more intelligible and up 50% louder than XTS-series RSMs. The HMN4104B Speaker Mic is a rugged microphone with a display, channel knob, volume control, two programmable buttons and an orange emergency button. Its 8-character display mimics the top display to show zone and channel information at a glance. The orange button on the microphone head can be used to signal that the operator needs help. Meets rugged specifications for submersibility and includes the first rugged, submersible audio jack from Motorola. (If you would like to utilize a listen only earpiece you can order RLN6424A or A Receive and Transmit Temple Transducer Part # RMN5116A, both of these items plug right into the Remote Speaker Mic). Compatible Radio Models: APX 7000, APX 7000XE, APX 6000, APX 6000XECompatible with:Astro Digital APX 7000XE Portable Series Speaker MicAstro Digital APX 6000 Portable Series Speaker MicASTRO DIGITAL APX 7000 PORTABLE SERIES Speaker Mic