Logitech offers its Logitech Z323 2.1-Channel Speaker System in Black, model no. 980-000354, for $69.99. Coupon code "logi_z323_21312" cuts it to $39.99. With free shipping, that's the lowest total price we could find by $15. Sales tax is added where applicable. Features include 30 watts RMS of total system power, two satellite speakers, a subwoofer, 40Hz to 20kHz frequency response, composite audio and 3.5mm inputs, and headphone jack. Coupon ends February 16.

Of note, this is a "dented box" unit; although the box may be scratched or dented, the contents are new with a full Logitech warranty.