Ground Zero GZAW 15-2.5KD2
The Ground Zero GZAW 15-2.5KD2 is a 38 cm / 15″ high power subwoofer designed for maximum output. Klippel optimized and rated at 2500 watts RMS, it pairs a fiber reinforced non pressed paper cone with a solid aluminum cast basket and a 75 mm voice coil to move serious air with control.
Key Features
- Klippel Optimized: Motor and suspension tuned by Klippel measurement for low distortion at high excursion
- Fiber Reinforced Paper Cone: Non pressed paper cone for stiffness and low weight
- High-Roll U-Surround: Allows 30 mm linear excursion for deep, powerful bass
- Solid Aluminum Cast Basket: Rigid, resonance free frame for high power applications
- 75 mm / 3″ Voice Coil: Handles 2500 watts RMS with excellent thermal capacity
- Dual 2 Ohm Voice Coils: Flexible wiring options for mono amplifiers
- Push Terminals: Quick and secure speaker wire connection
Technical Specifications
- Diameter: 38 cm / 15″
- Power Handling (RMS): 2500 W
- Power Recommendation: 1500 – 3000 W
- Impedance: 2x 2 Ohm
- Efficiency: 88 dB
- Voice Coil: 75 mm / 3″
- Cone: Reinforced paper
- Max. Excursion (Xmax): 30 mm / 1.18″
- Mounting Diameter: 357 mm / 14.06″
- Mounting Depth: 246 mm / 9.69″
- Resonance Frequency (Fs): 28 Hz
- Qts: 0.30
- Equivalent Air Volume (Vas): 59.8 L / 2.11 cu.ft.
The right choice for high power SPL systems that need the output and durability of a 15″ driver.















