As one of its daily deals, Best Buy offers a pair of Thonet & Vander Hoch 350-watt Wireless Speakers in Black/Yellow or White/Yellow for $199.99 with free shipping. (Amazon offers the same price.) That's $100 off and the lowest price we could find. They feature a 50Hz to 20kHz frequency range, Bluetooth, and RCA stereo input. Deal ends today.