Experience massive low-frequency output with the PRV Audio 21SW4000-NDY-2 Reinforced Edition. This 21-inch powerhouse features a neodymium magnet and carbon fiber loaded cone, delivering 4000 Watts RMS of clean, high-impact bass. Its specialized dual forced ventilation design ensures reliable performance during intense car audio sessions. Perfect for those demanding extreme control and deep, chest-hitting sound.

Nominal Diameter	21 inch
Nominal Impedance	2 Ohm
RMS Power	4000 Watts
Max Peak Power	8000 Watts
Sensitivity	97 dB
Voice Coil Diameter	5.3 inch
Frame Material	Die Cast Aluminum
Net Weight	30.2 lb