Turn up the volume with this BIC America Formula F12 powered subwoofer, which offers adjustable crossover and volume, as well as automatic on and off, for ease of use. The Venturi vent prevents noise from the ports from spoiling the rich, clear sound.

BIC America - Formula 12" 475W Powered Subwoofer - Black

$219.99

Turn up the volume with this BIC America Formula F12 powered subwoofer, which offers adjustable crossover and volume, as well as automatic on and off, for ease of use. The Venturi vent prevents noise from the ports from spoiling the rich, clear sound.