*DISCONTINUED* by HP/Poly.  No longer available.

Plantronics SHS1892-15 is a Push-to-Talk headset adapter for use with 4-wire applications.  SHS1892-10 amplifiers offer radio and telephone communication for 911/emergency dispatch, and air traffic control applications. 

Key Features:

• 4-wire controller and dispatch operations
• PTT switch with selectable locking or momentary operation
• 15-foot coil cord
• Connects to any Plantornics Call Center headsets (H-series) - sold separately

See Plantronics SHS1892 datasheet for more detail information

Also see our Headsets for Dispatch, Emergency or Air traffic control FAQ page

note: With the 4-wire cordless PTT you will need to use either the foot pedal on the console or the button on the console prior to transferring to the belt pack of the headset.

*Important Note on Returns: Due to the manufactures policy, this is a special order item.  All Sales are FINAL.  It's not returnable, not refundable under any circumstance.  If it's defective, Plantronics/Poly will replace it for you under warranty

Old Poly part # 91892-15

New HP part # 8K6U1AA#AC3