Experience ultimate bass with the Pioneer TS-300D4 30cm 1400W Champion Series Dual Voice Coil Car Subwoofer. This non-enclosed passive subwoofer is designed to provide a powerful and clear sound experience, with a RMS power of 400W and an impedance of 4. The unit quantity is 2, and it comes in a sleek black colour that will complement any car interior. The Pioneer TS-300D4 features a bass roll and is perfect for placement on the under seat or in the boot. With its 4 channel channels and dual voice coil, this subwoofer offers a unique and immersive sound experience. Get ready to feel the impact of this powerful subwoofer, perfect for any car enthusiast.