Velodyne offers its Velodyne WiConnect 10" 200-watt Powered Wireless Subwoofer, model no. ES150PW, for $169. Coupon code "VSUB10" drops it to $159. With free shipping, that's the lowest total price we could find by $240 off list and the lowest total we could find. It features a 50Hz to 200kHz frequency response, 200-watt power handling (125 watts RMS), and a wireless transmitter with up to a 50-foot range.