Meritline offers the refurbished Logitech Z313 2.1-Channel Speaker System, model no. 980-000382, for $27.95. Coupon code "MLCKY22GNL1" cuts it to $20.95. With free shipping, that's $4 under the lowest total price we could find for for a refurb, although we saw it for a buck less in Janaury. (For further comparison, it's also $22 under the best price we could find for a new unit.) Features include 25 watts RMS of total system power, two satellite speakers, a subwoofer, wired remote, and headphone jack. Coupon expires after 100 uses.

Note that no warranty information is provided.