Best Buy offers the Dual Bandpass 8" Dual Voice Coil Subwoofer
, model no. SBP8A, for $59.99
with free shipping
. That's the lowest total price we could find by $42. This subwoofer handles up to 80 watts RMS (160 watts peak) and features a 4-ohm voice coil, 20Hz to 200Hz frequency response, and more.