Ground Zero GZRW 300-D2 FLAT
Experience powerful bass without compromising space with this premium 12″ shallow-mount subwoofer from Ground Zero’s high-performance SPL series, delivering 450 watts RMS in a compact design.
Key Features
- Shallow Installation: Only 93mm mounting depth for versatile placement options
- High Power Handling: 450 watts RMS with 200-800W amplifier compatibility
- Efficient Ferrite Motor: Provides strong magnetic field for precise cone control
- Paper Sandwich Cone: Delivers accurate bass response with excellent rigidity
- Durable Rubber Surround: Ensures long-lasting performance and reliability
- 2″ Copper Voice Coil: Superior heat dissipation and power handling
- Polycot Spider: Maintains proper cone alignment and control
- Aluminum Dust Cap: Protects internal components while adding structural strength
Technical Specifications
- Diameter: 30 cm / 12″
- Power handling (RMS): 450 Watts
- Impedance: 2x 2 Ohms
- Efficiency: 84 dB
- Voice coil: 50 mm / 2″ copper
- Max. Excursion (Xmax): 30 mm / 1.18″
- Mounting diameter: 278 mm / 10.94″
- Mounting depth: 93 mm / 3.66″
- Resonance frequency (Fs): 23.5 Hz
- Damping ratio (Qts): 0.44
- Equiv. air volume (Vas): 60,2 L / 2.13 cu.ft.
Perfect for vehicle installations where space is limited but powerful bass performance is essential.














