As one of its daily deals, Amazon offers the factory-refurbished Yamaha Bluetooth Soundbar, model no. ATS-1520BL, for $139.95 with free shipping. That's $210 off and the lowest total price we could find. It's designed for use with 55" TVs or larger and features dual built-in subwoofers. A 1-year Yamaha warranty applies. Deal ends August 21 at 3 am ET.