Best Buy offers the Insignia 2.1-Channel Multimedia Speaker System in Black, model no. NS-PCS21, for $12.99 with free shipping. That’s $7 under our September mention and the lowest total price we’ve seen for this set. Sales tax is added where applicable. Features include 1.8 watts per channel into two satellite speakers, a 4.4-watt 3″ subwoofer, headphone output, and more.

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