More from Amazon.com : http://www.amazon.com/gp/product/B00803HB10?tag=thefatkidin06-20 <br /> <br />Aura Sound AST-2B-4 Pro Bass Shaker each <br /> <br />50Watt RMS Continuous <br />4 ohm impedance <br />62 diameter by 22 tall <br />Does not require a crossover <br />50 to 100 watt amplifier recommended
