Behringer FBQ2496 Feedback Destroyer, B-Stock with full warranty@+Feedback Destroyer ProThe FBQ2496 is the fastest (> 0.2 sec.) And the only 96 kHz feedback suppressor on the market. With its ultra-fast and intelligent feedback detection algorithm, it is capable of automatically locating up to 20 feedback frequencies per channel and suppressing them with extremely narrow notch filters, while the useful signal is virtually unaffected. @+@+The