Amazon.com has a Polk Audio DSW PRO 600 12-Inch Powered Subwoofer for $379.99 after $300 off coupon code “JNY44N7H” with Free Shipping. Add to cart from Amazon.com under “More Buying Choices“.
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- A single 12-inch powered subwoofer unit n
- Equipped with Polk Room Optimizer (PRO) and Feed Forward distortion suppression technology n
- Power amplifier: 250 watts continuous, 500 watts dynamic n
- Frequency response: 20Hz – 160Hz n
- Downward radiating slot port to lessen turbulence, noise and distortion