The Ground Zero GZRW 30-D2 is a high-performance 12 inch subwoofer from the Radioactive series, built for serious low-end output in street-focused audio systems. Designed around a reinforced paper cone and long stroke compound surround, it delivers strong bass response with excellent control, making it a great match for drivers looking to add impact and depth to their setup. With a Klippel optimised design, this subwoofer is engineered to perform more consistently across its operating range for dependable sound quality.

Rated at 800 watts RMS and 1200 watts max, the GZRW 30-D2 is suited to powerful amplifier pairings and thrives in systems where clean, sustained bass is a priority. Its dual 2 ohm voice coils provide flexible wiring options for system design, while the 75 mm 3 inch copper voice coil supports robust power handling. A resonance free steel basket, polycot spider and IMPP dust cap with 3D structure logo all contribute to durability and performance. With an efficiency rating of 83 dB and a mounting depth of 166 mm, it offers a practical fit for a wide range of custom enclosures.

For best results, this model performs well in a sealed box volume of 1.24 cu/ft or 35 litres, delivering tight, punchy bass with excellent musicality. Whether you are upgrading a daily driver or building a more demanding sound system, the Radioactive series combines power, precision and rugged construction in one well balanced package.

Features & Benefits

• Radioactive series subwoofer designed for powerful street bass performance
• 800 watts RMS handling supports high output with strong reliability
• Dual 2 ohm voice coils provide flexible amplifier and wiring options
• Reinforced paper cone and long stroke surround enhance bass response and durability
• Klippel optimised motor design improves accuracy and consistency
• Sealed enclosure ready for tight, controlled low frequency output