Newegg offers the Jamo 12" 400-watt Front-Firing Subwoofer, model no. J-12-DA, for $169.99. This $20 mail-in rebate cuts it to $149.99. With $1.99 for shipping, that's $350 off list and the lowest total price we could find. This aluminized polyfiber woofer features an all-digital amplifier, low pass crossover, and phase control. Deal ends April 30.