Poly SHS1890-25 PTT Amplifier (25 ft Coil Headset Cord) (Poly 60825-325 or 60825-25 or HP 8K7U0AA#AC3) **REPLACED** by JPL Scout 300 or JPL Scout 300A Headset Amplifiers 5 mm connection to plug

5 mm connection to plug directly into a smartphone or tablet

The Blackwire with Plantronics signature audio provides top notch features at a price you can afford

while the unique Dynamic EQ feature optimizes sound quality and adjusts settings on the fly

Connects Plantronics CS and Savi family headsets to Cisco SPA 512G

Leatherette ear cushions fold flat for easy portability with included carrying case

Poly SHS1890-25 PTT Amplifier (25 ft Coil Headset Cord) (Poly 60825-325 or 60825-25 or HP 8K7U0AA#AC3) **REPLACED** by JPL Scout 300 or JPL Scout 300A Headset Amplifiers 5 mm connection to plugBuilt for Emergency Service and Police Environments, this adapter, with lockable non lockable push to talk switch, lets you use any Plantronics H Series headset in 6 wire controller and dispatch operations. Features push to talk switch. Comes with 25 ft Built for Emergency Service and Police Environments, this adapter, with lockable non lockable push to talk switch, lets you use any Plantronics H Series headset in 6 wire controller and dispatch