Sears offers the RCA Home Theater Soundbar Bluetooth Speaker in Black, model no. RTS7110B-2, for $79.99. Plus, Shop Your Way Rewards members receive a $15.80 SYWR credit. With free shipping, and assuming you'll use the credit, that's the lowest total price we could find by $16. It features four built-in speakers, optical digital and RCA-type analog audio inputs, and a line-in jack.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.