DEBRA FBX4040 DSP Feedback Suppressor Microphone Anti-howling Audio Processor(US Plug)

1. Powerful core processor with built-in 24-band, 4-channel independent high-precision filtering accurately identifies and eliminates howling frequencies.
2. Automatic detection upon power-up effectively protects back-end amplifiers or speakers.
3. 4 inputs and 4 outputs accommodate simultaneous use of multiple microphones.
4. Remote connection capability, including PC software and central control commands, facilitates debugging and control.
5. High-definition LED display displays detailed data in real time for easy operation.

Technical Parameters
Analog Input: 4CH XLR and 1/4 TRS Female
Input Impedance: 20K ohm
Analog Output: 4CH XLR
Output Impedance: 22K ohm
Input Sensitivity: more than -50dB
Frequency Response: 20Hz-20kHz
Signal-to-Noise Ratio: more than 105dB