A rack mount feedback destroyer or parametric equaliser. This FBQ1000 will automatically locate and destroy up to 24 feedback frequencies in under 0.2 seconds. Particularly useful for killing feedback on monitors for live performances but equally happy doing the same job for main speakers. This unit can also be used for fine tuning a venues acoustics using the FBQ1000 parametric settings. The unit has two balanced XLR and jack inputs.