Upgrade your vehicle's original sound system. Our A-series subwoofers complement your A-series speakers to give you the exact solution you've been looking for to upgrade your sound. To improve bass response, A-series subwoofers combine superior high-quality sound, design and technology with carefully selected materials. When tuning with Pioneer's GM-A series amplifiers, you can enjoy powerful and powerful bass in your car at any volume. Key features Subwoofer Product type Subwoofer driver subwoofer rms power 400 W total subwoofer power 1300 W subwoofer resistance 4 ohm subwoofer driver diameter (imperial) 10" subwoofer driver diameter 10" technical details voice magnet sink type dual