Ground Zero GZRW 12XSPL Subwoofer

Ground Zero Audio 30cm / 12″ High Quality SPL Subwoofer

Engineered for brutal output and uncompromising control, the GZRW 12XSPL from Ground Zero’s Radioactive Series is a 12-inch SPL subwoofer built for high-performance street or competition setups. Featuring a Klippel®-optimized motor, 3" copper voice coil, and reinforced paper cone, it delivers massive low-frequency impact with exceptional precision.

Its dual 170 mm ferrite magnets, double-layer Polycot spider, and high-roll foam surround work together to produce an Xmax of 45 mm, giving you deep, controlled bass without mechanical fatigue. With a power handling of 1000W RMS / 1500W SPL, dual 2-ohm coils, and a recommended vented enclosure tuned to 28 Hz, the GZRW 12XSPL offers competition-level performance in a rugged, daily-drivable form.

Specifications / Information:

• 12″ high quality SPL subwoofer

• Klippel® optimised

• Reinforced paper cone

• Long stroke compound surround

• Resonance free steel basket

• 75 mm / 3″ copper voice coil

• 2-layer Polycot spider

• IMPP dust cap with 3D structure logo

• Impedance 2x 2 Ohms

• Efficiency 83 dB

• Power Handling (RMS/SPL) 1000 / 1500 Watts

• Max. Excursion (Xmax) 45 mm

• Mounting depth. 166 mm

• Resonance frequency (Fs) 31.8 Hz

• Damping ratio (Qts) 0.684

• Equiv. air volume (Vas) 27.2 L