As one of its daily deals, Amazon offers the Logitech Z313 2.1-Channel Speaker System, model no. 980-000382, for $27.99 with free shipping. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping costs $12.61.) That's the lowest total price we could find by $6. It features a subwoofer, two satellite speakers, and control pod. Deal ends today.