Pioneer TS-A300D4 30 cm 4 enclosure-type dual voice coil subwoofer (

The A-Series Subwoofers combine superior high quality sound, design and technology, along with carefully selected materials to improve bass response. When matched with Pioneer gm-a Series of amplifiers, you can enjoy powerful, solid bass in your car, no matter what volume level. 12" (30cm) Subwoofer Dual voice coil 1500W Max power 500W RMS power