Walmart offers the Altec Lansing 2.1-Channel Multimedia Speaker System in Black, model no. BX1221, for $19.88. Shipping adds $2.97, or choose free Site-to-Store. That’s tied with our mention from four weeks ago and the lowest total price we could find. Sales tax is added where applicable. It features two front-channel speakers and a 4″ subwoofer.

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