High-pass crossover: 32Hz-32kHz (front/rear) x 20 freq. Multiplier (front) Low-pass crossover: from 50Hz-160 Hz (subwoofer) 40Hz-120Hz boost level from 0 12 dB 18dB per octave crossover slopes Parallel input/mixed in/out switch 6 inch W x 8 1/2 inch H x 1 1/2 inch D upc code: 068888709385.