BuyDig via eBay offers the Samsung 460-watt 4.1-Channel Wireless Soundbar System, model no. HW-K470/ZA , bundled with the Samsung Wireless Rear Speaker Kit, model no. SWA-8000S, for an in-cart price of $239 with free shipping. That's the lowest total price we could find by $87. The 460-watt soundbar system includes a wireless subwoofer and features Bluetooth and USB. The kit includes two surround speakers and a wireless receiver module.