Bridgeable Trimode operation; Input sensitivity-v selector; Variable Bass Boost (0 – 18 DB); Continuously variable high pass & low pass crossovers; Low & High Level Inputs; Power & Protection LEDs; Heavy duty set – Screw-in style terminals; Chrome plated multi-computer connections; Illuminated Logo; Signal - 2-to-1 ratio: 102 DB; FREQ RESP: 20 Hz 20 kHz noise-isolation; Dim: 10" w x 2.19" H; 4 – Channel; w max; x 2 @ 4 Ohm bridged:; W x 4 @ 2 Ohm; Dim: 15.56"l