Lenovo offers its Lenovo L1520 Stereo USB Speakers, model no. 57Y6359, for $24.99. Coupon code "USP1SP46359" drops them to $9.99. With free shipping, that's tied with our July mention and $10 less than the lowest total price we could find for a similar set of speakers elsewhere. Sales tax is added where applicable. They're powered via USB and feature a frequency response of 90Hz to 20kHz. Deal ends September 24.