Ultra-Musical 15-Band Stereo Graphic Equalizer with FBQ Feedback Detection SystemProfessional 15-band stereo graphic equalizer for both live and studio applications Revolutionary FBQ Feedback Detection system instantly reveals critical frequencies and can also be used as audio analyzer Dedicated mono subwoofer output with adjustable crossover frequency Additional low-cut filter removes unwanted frequencies, e.g. floor rumble Highly accurate 4-segment LED output metering and input gain control for easy level setting Ultra-low noise audio operational amplifiers offer outstanding sound performance Servo-balanced inputs and outputs with 1/4" TRS and gold-plated XLR connectors Shielded toroidal power transformer for ultra-low noise performance High-quality components and exceptionally rugged construction ensure long life Conceived and designed by BEHRINGER Germany