Ground Zero GZRW 10XSPL 10″ Dual 2 Ohm Subwoofer 800w RMS
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The Ground Zero GZRW 10XSPL is a 10 inch (25 cm) SPL car subwoofer rated at 800W RMS (1200W SPL) with dual 2 ohm voice coils. A 63 mm copper voice coil, 30 mm Xmax and Klippel-optimised design make it a competition-grade option for high-output systems.
Key specifications
- Size: 25 cm / 10 inch
- Power handling: 800W RMS / 1200W SPL
- Impedance: 2x2 ohms (dual voice coil)
- Recommended amplifier power: 600 to 1200W
- Efficiency: 82 dB
- Voice coil: 63 mm / 2.5 inch copper
- Xmax: 30 mm
- Mounting depth: 150 mm
GZRW 10XSPL: 25 cm / 10″ high quality SPL subwoofer
A competition-grade 10″ subwoofer built for high output. Handles 800w RMS with a dual 2 ohm voice coil configuration.
Features
- 10″ high quality SPL subwoofer
- Klippel® optimised
- Reinforced paper cone
- Long stroke compound surround
- Resonance free steel basket
- 63 mm / 2.5″ copper voice coil
- 2-layer Polycot spider
- IMPP dust cap with 3D structure logo
Explore the full range in Ground Zero.
Specification
| Model | High-Quality SPL Subwoofer |
|---|---|
| Diameter | 25 cm / 10″ |
| Power handling | (RMS/SPL) 800 / 1200 Watts |
| Impedance | 2x2 Ohms |
| Efficiency | 82 dB |
| Power recommendation | 600 – 1200 Watts |
| Voice coil | 63 mm / 2.5″ copper |
| Cone | Reinforced paper |
| Max. Excursion (Xmax) | 30 mm |
| Mounting depth | 150 mm |
| Resonance frequency (Fs) | 44.3 Hz |
| Damping ratio (Qts) | 0.749 |
| Equiv. air volume (Vas) | 9.0 L |
What's Included
- GZRW 10XSPL
Ground Zero
About the Ground Zero GZRW 10XSPL
From our tech experts at CEN
A Ground Zero 10 inch subwoofer, 2 ohm, handling 800w RMS.
Who it suits
Drivers building a system where the bass keeps pace with the front stage, and competition builds where output is the point.
Our tech experts advise
Enclosure volume and tuning decide most of what you hear. We build enclosures to suit both driver and vehicle at our Beeston workshop. Installation is priced per vehicle, so get in touch with your make, model and year and we will confirm what it needs. See car audio installation.
Explore the full Ground Zero range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Ground Zero
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Frequently Asked Questions
Q: How do I choose the right amplifier for my speakers or subwoofer?
A: Match the amplifier's RMS output per channel to the RMS handling of your speakers or subwoofer at the same impedance. The Specification tab lists the power figures. If in doubt, contact CEN with your setup and we will recommend a match.
Q: Can the GZRW 10XSPL be wired to 1 ohm or 4 ohm?
A: Yes. The GZRW 10XSPL has dual 2 ohm voice coils (2x2 ohms), so it can be wired in parallel for a 1 ohm load or in series for a 4 ohm load. Choose the wiring to suit the stable load of your amplifier. Ground Zero recommends 600 to 1200W of amplifier power.
Q: What are the Thiele/Small parameters of the GZRW 10XSPL?
A: Fs is 44.3 Hz, Qts is 0.749 and Vas is 9.0 litres. Xmax is 30 mm.
Q: Can CEN fit this subwoofer for me?
A: Yes. CEN offers professional installation from our Nottingham premises, including enclosure, amplifier and wiring. Contact us to book or ask for a quote.
