HT-2200 B Feedback Suppresor

"Feedback Suppresor, 6 CH phantom microphone input, Independent microphone and line input switch, Independent microphone volume control switch, Frequency shift: 5Hz±1Hz, Input imp.: ≥5KΩ, Output imp: ≤600Ω, Microphone gain: 5~14dB, Frequency response:

20Hz-20 KHz "