Professional stereo 2-way/mono 3-way crossover featuring state-of-the-art Linkwitz-Riley filters with 24 dB/octave, Additional subwoofer output with independent Frequency control. Absolutely flat summed amplitude response, zero phase difference. Individual output Gain controls for all bands. Individual output Mute switches for easy band adjustment. Individual Phase reverse switches for instant phase correction. Switchable 25 Hz Low cut filter on each input for low-frequency driver protection. Servo-balanced and gold-plated XLR connectors for all inputs and outputs. Ultra-high precision potentiometers for ultimate accuracy and repeatability. Illuminated switches for secure operation in dark stage environments. Shielded toroidal mains transformer for minimal noise interference. High-quality components and exceptionally rugged construction ensure long life.