Motorola JT1000 Portable Speaker Mic, Motorola Original Speaker Mic’s are built to withstand time. Battery Clearance carries a complete line of JT1000 Portable Speaker Mic. Battery Clearance carries a complete line of Remote Speaker Mics for Police, Fire and Military use. The most commonly used mic is the PMMN4045B noise canceling mic. Also available are the PMMN4051B, PMMN4038A with Windporting technology and rated IP57, also avilable are the Public Safetly Mic's NMN6228C, NMN6243B AND NMN6244B