Behringer DF1000 2-Channel Feedback Destroyer

Feedback can kill a show faster than anything else, and the DF1000 2-channel feedback destroyer from Behringer tackles the problem automatically. This dual-channel processor listens to the signal in real time, identifies the exact frequencies causing feedback, and applies ultra-narrow notch filters to eliminate them before they escalate. The result is up to 10 dB more usable gain and a cleaner mix without manual intervention.

The DSP engine works fast, applying up to 32 filters per channel with surgical precision. Each notch filter can be as narrow as 1/30th of an octave, removing the offending frequency while leaving the rest of the audio untouched. Two independent channels allow stereo operation or separate zone processing, and the front panel includes suppression and filter reset controls for quick access. Connectivity is handled via combination XLR/TRS and 3-pin Euroblock inputs, accepting both balanced and unbalanced signals.

In houses of worship, conference rooms, and small clubs where feedback is a recurring issue, the DF1000 requires zero configuration. Set it in line, and it starts working immediately, detecting and eliminating acoustic feedback in both speech and music applications. The fully automatic system means engineers can focus on the mix instead of hunting down ringing frequencies.

Features

• Dual-channel feedback suppression processor with fully automatic operation
• Increases system gain by up to 10 dB before feedback
• Ultra-fast DSP applies up to 32 filters per channel
• Extremely narrow notch filters up to 1/30th octave wide
• Two independent audio channels for stereo or dual-zone processing
• Balanced and unbalanced inputs via combination XLR/TRS and Euroblock connectors
• Front panel suppression and filter reset buttons for manual control
• Instantly detects and eliminates feedback in speech and music applications