12 inch 5800 Watt Compact Bass Tube with in-Built Amplifier (Black) is completely fit for all cars models. Woofer Type is 12 Inch. Normal Impedance is 0hms. Power Handling is 250 w RMS. Peak Power is 5800 Watts. Frequency Responces is 35 Hz-200Hz. Sensitivity(2.83V/m) is 88.5dB. Bass Tube material is pure MDF wooden. This is a powered bass tube, you get everything you need! This is your entire bass system. The built in power amplifier will push this tube to the max. The amp, sub and enclosure are perfectly tuned and matched to sound perfect together. Professional Installation Is Required.