Ground Zero GZIA 4.120 4-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 4.120 Amplifier
The Ground Zero GZIA 4.120 is a 4-channel amplifier for high-quality audio performance. It utilizes Class A/B technology to deliver clear and powerful sound. This amplifier is suitable for enhancing car audio systems with reliable power output.
High-Quality Class A/B Amplifier
The GZIA 4.120 employs Class A/B technology, balancing efficiency and audio fidelity. This design ensures minimal distortion, providing listeners with clear and accurate sound reproduction. The amplifier's stable power supply supports consistent performance across various audio setups. Its black anodized heatsink aids in effective heat dissipation, maintaining optimal operating temperatures. This construction enhances the amplifier's durability and longevity.
Versatile 4-Channel Configuration
Equipped with four channels, the GZIA 4.120 offers flexibility in audio system design. It delivers 4x 70 Watts RMS at 4 ohms and 4x 120 Watts RMS at 2 ohms, accommodating different speaker configurations. The amplifier can operate in bridged mode, providing 2x 240 Watts RMS at 4 ohms for higher power needs. This versatility makes it suitable for driving multiple speakers or subwoofers. The large terminals facilitate secure and efficient connections.
Integrated Active Crossover and Bass Boost
The GZIA 4.120 features a variable active crossover, allowing users to adjust frequency settings for optimal speaker performance. The high-pass filter ranges from 40 Hz to 3000 Hz, while the low-pass filter covers 30 Hz to 250 Hz, with a 12 dB/octave slope. Additionally, the amplifier includes a bass boost function to enhance low-frequency output. These features enable customization of the audio output to match listener preferences. The adjustable input sensitivity (200 mV – 6 V) ensures compatibility with various head units.
High-Level Input with Auto-On Function
The amplifier features an auto-on function on its high-level input, simplifying integration with factory head units that lack dedicated preamp outputs. This feature detects incoming audio signals and powers on the amplifier automatically, eliminating the need for a separate remote turn-on wire. This design facilitates easier installation on a broader range of vehicles. The auto-on function enhances user convenience by streamlining the setup process. This integration capability makes the GZIA 4.120 versatile for various car audio installations.
Top 10 Features of the Ground Zero GZIA 4.120
- Class A/B Technology: Delivers high-quality sound with minimal distortion.
- 4-Channel Configuration: Supports multiple speaker setups for versatile audio system design.
- Stable Power Supply: Ensures consistent performance across various audio setups.
- Variable Active Crossover: Allows precise frequency adjustments for optimal speaker performance.
- Bass Boost Function: Enhances low-frequency output for richer bass.
- High-Level Input with Auto-On: Simplifies integration with factory head units lacking preamp outputs.
- Large Terminals: Facilitate secure and efficient connections.
- Black Anodized Heatsink: Provides effective heat dissipation for improved durability.
- Bridged Mode Capability: Offers higher power output options for demanding audio setups.
- Adjustable Input Sensitivity: Ensures compatibility with a wide range of head units.
Ground Zero GZIA 4.120 4-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.