SPM-1700 Series Skull Microphone Headset. Attaches to Hardhats. Microphone presses down on top of head, large speaker hangs over one ear. Kit includes Round (Hockey Puck)Tactical PTT switch. Finger-Tip PTT and Junction Box UPGRADE Available for extra charge ($35 MSRP).
Fits older Vertex Standard radios with multi-pin connector (note: NOT compatible with VX-537 or NYPD models) including: VX-310, VX-520, VX-520UD, VX-600, VX-800, VX-900.
