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Setting a new standard in sub £200 subwoofers, Ground Zero have introduced their GZRW 30 D2 subwoofer boasting 800wrms, dual 2 ohm voice coils all at a price point that is pretty hard to beat! - High power 12" subwoofer- Klippel optimized- Reinforced paper cone- 3" copper voice coil- High-Roll sandwich surround