The Artcoustic CPH-1000D is a professional 2-channel digital amplifier that performs smoothly and accurately, even in the most demanding conditions. Stereo: 8 Ohm (450W+450W) Bridged: 8 Ohm (1000W) – ref manual for specs Sub Low-pass filter: 80 Hz 24 dB/oct 120Hz 24dB/oct Output terminals: Speaker level binding posts Connectivity: RCA Dimensions (mm): H 44 • W 430 • D 1