Cadence Acoustics Xa250.2 1000 Watt Peak 2-Channel Class AB Amplifier (Black) Cadence Xa250.2B class AB 2-channel amplifier 150W x 2 @ 4 ohm RMS; 250W x 2 @ 2 ohm RMS; 500W @ 4 ohm Bridged RMS; 1000W Xenith Power Frequency Response: 10Hz - 40 kHz Minimum THD: 97dB; Damping Factor: &gt;150 @ 100Hz; Channel Separation: &gt;50dB Dimensions (L x W x H): 14.5" x 10.5" x 2.6"