fbq2496

Behringer Pro FBQ2496 Feedback Destroyer 2-channel Feedback Suppressor with 24-bit/96kHz Sampling Rate, Ultra-fast Response, and Parametric EQ
  Behringer Pro FBQ2496 Feedback Destroyer (FBQ-2496 / FBQ 2496)

The Behringer Feedback Destroyer Pro FBQ2496 is the fastest feedback suppressor on the market.