Microphone Amplifier (From Microphone to Line)
Dynamic Headset Mic impedance: 200 ohm
Voltage Gain: 44+/-3dB
Harmonic Distortion:<1%(1000Hz)

Headphone Amplifier (From Line to Load)
Load impedance: 50-600 ohm
Voltage Gain: 31+/-3dB
Harmonic Distortion:<2%(1000Hz)

Power Requirements
24V DC,60mA+/-10mA
Power Range:12-30V DC

Environment
10~55oC

Compatibility
The BK-501 is compatible with TELEX and Clear-Com Party-Line intercoms.

• User Manual PDF - 89 KiB