Yugster offers the refurbished Logitech Z337 Wireless Bluetooth Speaker System with Subwoofer for $54.99. Coupon code "DNZ337" cuts it to $51.99. With free shipping, that's the lowest price we could find for a new unit by $22. This 40-watt system features two satellite speakers, a subwoofer, and control pod.

Note: A 90-day Logitech warranty applies.