Ground Zero GZIA 2.85 2-Channel High Quality Class A/B Amplifier





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 GZIA 2.85 2-Channel Class A/B Amplifier
The Ground Zero GZIA 2.85 is a 2-channel Class A/B amplifier designed to enhance car audio systems with clear and dynamic sound reproduction. Delivering 60 watts RMS per channel at 4 ohms and 85 watts RMS per channel at 2 ohms, it provides flexibility for various speaker configurations. Its compact design and advanced features make it a versatile choice for car audio enthusiasts.
High-Quality Class A/B Amplification
Utilizing Class A/B technology, the GZIA 2.85 offers a balance between efficiency and audio fidelity. This design minimizes distortion and ensures a high signal-to-noise ratio, resulting in accurate sound reproduction. The amplifier's stable power supply maintains consistent performance across different loads, making it suitable for diverse audio setups.
Variable Active Crossover and Bass Boost
The GZIA 2.85 features a variable active crossover, allowing precise control over frequency distribution to speakers. The high-pass filter ranges from 40 Hz to 3,000 Hz, and the low-pass filter ranges from 30 Hz to 250 Hz, enabling customization to match specific system requirements. An adjustable bass boost function enhances low-frequency response, providing up to 12 dB of boost for deeper bass, catering to various listening preferences.
High-Level Input with Auto-On Function
Equipped with a high-level input featuring an auto-on function, the GZIA 2.85 integrates seamlessly with factory-installed head units. This feature detects incoming audio signals and powers on the amplifier automatically, eliminating the need for a separate remote turn-on wire. It simplifies installation and ensures compatibility with a wide range of audio sources, enhancing user convenience.
Durable Design with Efficient Cooling
The amplifier boasts a black anodized heatsink with Ground Zero lettering, combining durability with aesthetic appeal. Its robust construction ensures longevity, while the efficient cooling system prevents overheating during extended use. Large terminals accommodate heavy-gauge wiring, ensuring secure and efficient power connections. Its compact dimensions allow for flexible installation in various vehicle models, making it a practical choice for car audio upgrades.
Top 10 Features
- High Power Output: Delivers 60 watts RMS per channel at 4 ohms and 85 watts RMS per channel at 2 ohms, ensuring robust sound performance.
- Class A/B Technology: Provides a balance between efficiency and audio fidelity for clear sound reproduction.
- Variable Active Crossover: Offers adjustable high-pass and low-pass filters for precise frequency control.
- Adjustable Bass Boost: Enhances low-frequency output with up to 12 dB boost for deeper bass.
- High-Level Input with Auto-On: Facilitates easy integration with factory head units without additional wiring.
- Compact Design: Fits into limited installation spaces, suitable for various vehicle models.
- Durable Construction: Black anodized heatsink ensures efficient cooling and longevity.
- Large Terminals: Accommodates heavy-gauge wiring for secure and efficient power connections.
- Stable Power Supply: Ensures consistent performance across various speaker configurations and loads.
- Flexible 2-Channel Design: Supports stereo setups or bridging for a single high-power channel, offering versatility for different audio needs.
Ground Zero GZIA 2.85 2-Channel High Quality Class A/B Amplifier
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.