Lenovo offers its Lenovo L1520 Stereo USB Speakers, model no. 57Y6359, for $24.99. Coupon code "USP1JL56359" drops them to $9.99. With free shipping, that's tied with our mention from three weeks ago and the lowest total price we've seen for these speakers. Sales tax is added where applicable. They're powered via USB and feature a frequency response of 90Hz to 20kHz.