• Headset amplifier for real-timeacoustic 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-Ctype for power and data line
• Often used with RJ-equipped desk phones.
• AGC(AutoGain Control) for TX audio
• Bassand Treble sound selection
• UltraLow background Noise
• 2ndMIC on/off function
• Wire compatibilityfor different headsets
• Telephone compatibilityswitch select