The Impact Professional Grade Platinum 1-Wire Listen-Only Surveillance Kit is the ideal solution for the professional user who can't afford anything less than the best! The 1-Wire listen-only plugs directly into the radio for discreet receive-only communication and is ideal for those who supervise or oversee radio communications. There is no transmit function (Tx), only Receive Audio (Rx). This model is used by thousands of security, loss prevention, crowd management, and hospitality users worldwide!

Features:
• Kevlar™ reinforced cables for superior strength
• Hardwired to Quick Disconnect Acoustic Tube Earpiece
• High-quality Knowles™ brand speakers
• High-grade brass transducers (speakers) for crystal clear audio
• Three year manufacturer's warranty

Fits: GP1280, GP140, GP320, GP328, GP329, GP338, GP339, GP340, GP360, GP380, GP640, GP650, GP680, HT1250, HT1250LS, HT1550, HT1550XLS, HT750, MTP700, MTX4500/4550, MTX8250, MTX8250LS, MTX850, MTX850LS, MTX9250, MTX950, PR860, PRO5150, PRO5350, PRO5450, PRO5550, PRO5750, PRO7150, PRO7350, PRO7450, PRO7550, PRO7750, PRO9150, PTX700, PTX760, PTX780