In Phase Car Audio XTB 828R 8" 400W Active Subwoofer with Passive Radiator and Class D Amplifer , Black

- Crank up the volume in your car with these In Phase subwoofer - it has 400 W of peak power - With its passive radiator, you'll get the right amount of oomph for your favourite track - Its made from woven glass fibre composite, so you don't have to worry about unwanted vibrations