Cadence Acoustics XaH175.2 700 Watt Peak 2-Channel Class AB Amplifier Cadence XaH175.2 class AB 2-channel amplifier 110W x 2 @ 4 ohm RMS, 175W x 2 @ 2 ohm RMS, 350W @ 4 ohm bridged RMS, 700W Peak Power Frequency Response: 10Hz - 40 kHz Minimum THD: &lt;0.1%, S/N Ratio: &gt;97dB, Damping Factor: &gt;136 @ 100Hz, Channel Separation: &gt;50dB Dimension (L x W x H): 9.75 x 10.5 x 2.6 inches