Pioneer SW-10 400W Powered Subwoofer， Black<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Powerful 200 Watt BASH internal amplifier for controlled bass at any volume level high or low</li><li>10” long throw woofer allows for lower frequencies than traditional woofers</li><li>Crossover and Phase Adjustments to perfectly blend subwoofer with your speakers</li><li>Frequency Range: 30 Hz – 150 Hz</li><li>Detachable Power Cord</li></ul></div><img src="http://ecx.images-amazon.com/images/I/210R9FIfmLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31BvOq0RNGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31UZfgBVrjL.jpg" noproxy>