Ground Zero GZHW 25XSPL-D2 10″ high quality SPL subwoofer





Professionally Maintained Demo Units
Every demo unit has been carefully maintained by our certified technicians. These aren't customer returns or damaged goods - they're the same high-quality equipment we've used to demonstrate premium sound to our customers for years.

Pre-Tested & Verified
Unlike typical clearance sales, every item has been tested and verified by our technical team. We stand behind the quality of our relocation inventory.

Everything Must Go Pricing
These aren't regular sale prices - this is genuine "moving warehouse" pricing. Discounts you simply won't find under normal retail circumstances.

Trade Show Display Models
Many items are pristine display models from major audio trade shows - equipment that's been seen but never installed. These pieces often include special editions or limited releases not available through regular retail channels.
Ground Zero GZHW 25XSPL-D2 High-Performance SPL Subwoofer
The Ground Zero GZHW 25XSPL-D2 is a powerhouse subwoofer designed for enthusiasts of sound pressure level (SPL). With a compact 10-inch size, it offers exceptional performance and versatility for those seeking powerful bass. Built for durability and high output, this subwoofer is an excellent addition to any competitive or recreational audio system.
Engineered for SPL Excellence
The GZHW 25XSPL-D2 features a reinforced composite cone for maximum strength and minimal distortion. This design ensures reliable performance under high sound pressure levels. The high-roll surround supports extended excursion, delivering deep, impactful bass. Dual 2-ohm voice coils provide flexible wiring options for diverse system setups. Its vented motor structure enhances airflow, reducing heat buildup during heavy use. This combination ensures consistent performance and long-lasting durability.
Compact Design, Big Performance
Despite its 10-inch size, this subwoofer delivers SPL-grade output, making it ideal for space-limited setups. Its compact frame houses powerful components designed to maximize bass output. The subwoofer's robust suspension system enhances linear cone movement, ensuring accuracy in sound reproduction. Its high-temperature voice coils handle demanding audio conditions without compromise. Its sleek, black design adds a professional look to any installation. This subwoofer is perfect for users wanting compact yet powerful audio solutions.
Optimized Thermal Management
Ground Zero equips the GZHW 25XSPL-D2 with a state-of-the-art thermal management system. A vented pole piece allows for efficient heat dissipation, preventing overheating during prolonged sessions. The high-temperature voice coils maintain their integrity, even under heavy load. These features contribute to consistent, distortion-free performance. The advanced cooling system ensures the subwoofer operates reliably for extended periods. This level of efficiency is essential for competitive and high-power audio setups.
Built for Customizable Installations
This subwoofer is compatible with both sealed and vented enclosures, offering users flexibility in design. Sealed setups deliver tighter, more controlled bass, while vented designs maximize loudness. The subwoofer’s dual voice coil configuration allows for easy customization of impedance settings. High-quality terminals ensure secure and stable connections. The versatile design suits diverse preferences, from everyday audio systems to competitive SPL configurations.
Top 10 Features
- 10-inch compact size for space-efficient installations.
- Dual 2-ohm voice coils for flexible wiring setups.
- Reinforced composite cone for high durability and minimal distortion.
- High-roll surround for extended cone excursion and deep bass.
- Vented motor structure for efficient heat dissipation.
- Optimized for SPL performance, delivering powerful bass output.
- High-temperature voice coils for reliable performance under heavy load.
- Rugged suspension system for accurate sound reproduction.
- Compatibility with sealed and vented enclosures for versatile setups.
- Sleek, black design for a professional, polished appearance.
Ground Zero GZHW 25XSPL-D2 10″ high quality SPL subwoofer
Frequently Asked Questions
Are these items authentic, and why are the prices so low?
This sale includes demo units we've used for customer demonstrations since 2016, new-old-stock from discontinued product lines, display models from trade shows, and carefully curated inventory we've collected over nearly a decade. Most items include original packaging where available.
What types of items are included in the relocation sale?
Our relocation sale includes demo units we've used for customer demonstrations, new old stock from discontinued product lines, and display models from trade shows. All items are genuine products from top car audio brands - we're simply clearing inventory we can't take to our new location. Items range from amplifiers and speakers to processors and accessories accumulated over nearly 10 years at this location.
Do sale items come with manufacturer warranties?
Warranty coverage varies by item and condition. New old stock items typically include full manufacturer warranty if still valid. Demo and display items may have limited or no manufacturer warranty remaining. We clearly state warranty status in each product description. All sales are final on relocation sale items.
How does shipping work for relocation sale items?
We ship relocation sale items using the same careful packaging methods as our regular inventory. Shipping costs are calculated at checkout based on size and weight. For multiple item purchases, we'll combine shipping where possible to save you money. Large items like subwoofer boxes may require freight shipping with additional costs.
Can I return or exchange relocation sale items?
All relocation sale items are sold as-is with no returns or exchanges. We encourage local pickup customers to inspect items before purchasing. For shipped items, we provide detailed descriptions and photos. Since we're relocating, we cannot accommodate returns or warranty service after the sale period ends.