HP # 8K7T7AA#AC3 SHS1890-25 Push To Talk Headset Amplifier 12" Analog Clock/8" Speaker Surface Mount Baffle V-CSB12S has a 2D/3D Noise Reduction

has a 2D/3D Noise Reduction Technology

100W 430VA 24VDC 20A Unregulated Output

10G ethernet

The durable Greenlee 1752AV PUNCH-RD

HP # 8K7T7AA#AC3 SHS1890-25 Push To Talk Headset Amplifier 12" Analog Clock/8" Speaker Surface Mount Baffle V-CSB12S has a 2D/3D Noise ReductionPlantronics SHS1890 PTT with carbon type microphone amplifier, PJ 7 connector, and selectable switch operation (momentary or locking modes). Compatible with H Series headsets. Receiver Plantronics SHS1890 allows the use of a wide variety of receiver styles. In addition to the characteristics listed in the table on the reverse side, each receiver has the following features: Acoustic limiter Solid state limiting device across the receiver transducer