Monitor Audio CW8 Powered Subwoofer<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Low Frequency Limit: 35Hz (-6dB) Amplifier Power Output: 350W RMS @ &lt; 1% THD+N Amplifier Classification Class D amplifier with Switch mode power supply (SMPSU)</li><li>Driver Compliment: 1 x 8” (200mm) C-CAM® long throw driver. 2 x 8” (200mm) ABR</li><li>Input Impedance &gt; 20K Ohms</li><li>Dimensions (H x W x D) (Inc fitted feet): 270 x 260 x 276mm 10 5/8 x 10 1/4 x 10 7/8" Weight: 9.52Kg 21lb</li><li>Power Consumption Standby: &lt; 0.5W (ErP approved) Typical Idle: &lt; 10W Max Rated: 400W</li></ul></div><img src="http://ecx.images-amazon.com/images/I/413C85xQqeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ua%2BXvhGgL.jpg" noproxy>