This deal has ended.
Amazon.com lowers the price of this MartinLogan Dynamo 500 Subwoofer from $406.96 to $299 with free shipping. This is the best total price we could find by $296. This sub gives deep, rich bass with up to 360 watts of power. Even at high volumes it doesn't distort the sound. Sales tax is only charged in KS, KY, ND, NY, and WA.