Ground Zero GZCW 12-75SPL
The Ground Zero GZCW 12-75SPL is a competition-grade 12″ SPL subwoofer engineered for maximum sound pressure levels and uncompromising performance. Featuring Klippel® optimization technology and premium construction, this powerhouse delivers earth-shaking bass for serious SPL enthusiasts.
Key Features
- Klippel® Optimization: Advanced motor design for maximum efficiency and reduced distortion
- High Power Handling: 400W RMS / 800W max power capacity for extreme output
- Reinforced Paper Cone: Lightweight yet durable construction for optimal response
- W-Shape Surround: Long stroke design enables deep bass extension and high excursion
- 3″ Copper Voice Coil: Superior heat dissipation and power handling
- Resonance-Free Basket: Steel construction eliminates unwanted vibrations
- High Efficiency: 96dB rating for maximum output with less amplifier power
Technical Specifications
- Diameter: 30 cm / 12″
- Power Handling: 400W RMS / 800W max
- Impedance: 4 Ohms
- Efficiency: 96 dB
- Voice Coil: 75 mm / 3″ Copper
- Cone Material: Reinforced paper
- Mounting Diameter: 282 mm
- Mounting Depth: 133 mm / 5.24″
- Resonance Frequency: 42.2 Hz
- Qts: 0.27
- Vas: 71.9 L / 2.54 cu.ft.
Perfect for SPL competition builds and high-output bass systems where maximum sound pressure is the ultimate goal.















