Groupon offers the factory-refurbished Vizio 29" 2-Channel Wireless Bluetooth Soundbar
, model no. SB2920-C6, for $49.99
with free shipping
. That's $10 below our mention from last month and the lowest total price we've seen. (It's also $28 under the best deal for a new unit today.) It features a 70Hz to 19kHz frequency response and two 2.5" speakers. A 90-day Vizio warranty applies. Deal ends June 30.