Best Buy offers the Logitech Z130 Stereo Multimedia Speaker System, model no. 980-000417, for $14.99. (Click through to Best Buy.) With free shipping, that’s $5 under our May mention and the lowest total price we could find by $8. (We saw an open-box model for a buck less in August.) Sales tax is added where applicable. These speakers feature 5 watts of power, volume and power controls, 3.5mm plug, and more.