BuyDig offers the Pioneer Digital USB Speaker System, model no. S-MM301, for $26.99. Coupon code “EMTDY5” cuts it to $16.99. With free shipping, that’s tied with our July mention and $12 under the next best in-stock price we could find. This USB-powered speaker system features a 90Hz to 20kHz frequency response, triple coil drivers, and more.

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