This 30cm subwoofer is just 9.0cm deep and has an oversized cone that produces louder bass than ever. Boost your car audio with 1500 Watts of pure, superior bass without losing too much space in your car. We recommend if you are looking for volume in terms of bass, a ported enclosure would suit. However if you need tight and accurate bass, a sealed enclosure would be better. Maximum Power: 1500 W. Continuous Power: 400 W. Frequency Respons: 20 – 1.0 kHz. Glass fibre and Mica reinforced IMPP cone provides fast response and solid bass.