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DS212A Digital Auto Feedback Eliminator


  • The potentiometer LED indicates the input signal power strength.
  • Dual-channel input, each channel has 12 auto-search feedback points.
  • Super-fast automatic feedback control.
  • Every filter with separate dynamic and static filters, auto processing, and lock the Trap Wave frequency.
  • Provides more gain before feedback(6~9dB typical).
  • Accurately distinguished music from feedback.
  • Placesfilters with 0.5Hz resolution.
  • 2 x 16 character LCD with backlight.

Table of Contents



Frequency Range 20Hz~20kHz(≤±0.5dB)
Dynamic range ≥106dB(A)
Time to find and  eliminate feedback ≤0.4s @ 1KHz
Notch gain Max-48dB
Max output Level ≤10.5dBu
THD+N ≤0.0025%@+4dBu/1KHz
SNR ≥100dB(A)
AD/DA 24bit Z-A,14/128 times sampling
Sampling frequency 48KHz
Main AC AC90~250V50/60Hz
Power consumption ≤10W
Net Weight 1.8kg
Size 482mmx152mmx45mm


TRS 26.35mm TRS sockets
XLR 2 XLR sockets
Impedance 20k2(bal),10k2(unbal)
Gain 0dB/12dB


TRS 26.35mmTRS sockets
XLR 2 XLR sockets
Impedance 150Ω