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Workhorse Powered GRS 8" Mini Subwoofer Kit$279.98
Occupying just 0.6 cubic feet, this Workhorse mini 8" subwoofer kit will deliver surprisingly powerful output making it a perfect addition to smaller stereo and home theater systems. With the venerable GRS 8SW-4HE 8" driver and powered by a SPA300-D amplifier, this subwoofer kit has more power and flexibility than you would expect from a system this small.