• Headset amplifier for real-time acoustic level control
 • Easy connection to both phone and headset
 
 • Volume control (RX, TX)
 • Microphone mute function
 
 • LED display (volume and function settings)
 • Connects to a PC for recording and playback.
 
 • USB-C type for power and data line
 • Often used with RJ-equipped desk phones.
 
 • AGC (AutoGain Control) for TX audio
 • Bass and Treble sound selection
 
 • Ultra Low background Noise
 • 2nd MIC on/off function
 
 • Wire compatibility for different headsets
 • Telephone compatibility switch select