Polk Audio PSW111 8″ Powered Subwoofer –

$279.00

ULTRA-COMPACT POWERED SUBWOOFER FOR EXTRA PUNCHY BASS – An 8″ Dynamic Balance woofer, specially-tuned downward-firing port & on-point speaker geometry helps deliver accurate bass with added depth that pumps up your movie, games and music experience
LOUDER CLEARER SOUND EVEN AT EXTREME VOLUME LEVELS – Features smart compression circuitry that limits distortion and gives a more balanced & thrilling music experience with rich, deep sound, even at low frequencies
HIGH-EFFICIENCY LOUDSPEAKER – Driven by a 150-watt amplifier (300W at peak), this sub is your answer to more power in a small footprint. It takes about one square foot of floor space and fills any room with incredible sound wherever you place it