The Hifonics HFX12D4 12" car subwoofer features a 800 watt peak/400 watt Rms each sub, high excursion rubber surround, large air cooled magnet assembly, high energy magnet and ultra ridged chrome stamped steel basket. Hifonics, power from the Gods!1 buy = 4 subwoofers! | 4) Hifonics Hfx12D4 12" 2400W Car Audio Dvc Subwoofers Power Bass Subwoofers | | Black | Best Buy