Description
Ground Zero GZUA 2SQ – 1000W RMS 2 Channel Class-AB Sound Quality Car Amplifier
Ground Zero GZUA 2SQ – Premium Sound Quality Amplifier for Audiophile Car Audio Systems
The Ground Zero GZUA 2SQ is a premium 2-channel Class-AB car amplifier engineered for exceptional sound quality and powerful performance. Designed specifically for SQ (Sound Quality) audio systems, it combines high-current output, adjustable BIAS settings and advanced crossover controls to deliver an accurate, natural and dynamic listening experience.
Producing up to 2 x 300W RMS at 2 ohms, 2 x 485W RMS at 1 ohm, or an impressive 1000W RMS bridged at 2 ohms, the GZUA 2SQ offers the flexibility required for premium speaker systems and high-end subwoofer installations.
Designed for Sound Quality
Unlike amplifiers focused purely on maximum output, the Ground Zero GZUA 2SQ is engineered to deliver:
- Exceptional musical accuracy
- Warm and detailed Class-AB sound
- Excellent speaker control
- Wide dynamic range
- Low distortion for high-fidelity listening
Its Class-AB design makes it an excellent choice for audiophiles who demand natural and precise sound reproduction.
Powerful and Flexible Output
Stereo Mode
- 2 × 175W RMS @ 4 Ω
- 2 × 300W RMS @ 2 Ω
- 2 × 485W RMS @ 1 Ω
Bridged Mode
- 1 × 1000W RMS @ 2 Ω
With stable operation at low impedance, the GZUA 2SQ can power demanding speaker systems or operate as a high-output mono amplifier for premium subwoofer applications.
Advanced Sound Tuning
The integrated active crossover allows precise system tuning.
Features include:
- Adjustable High-Pass Filter (HPF)
- Adjustable Low-Pass Filter (LPF)
- Band-Pass Filter (BPF)
- Bass Boost
- Phase Shift adjustment
- Adjustable BIAS setting
These controls provide complete flexibility for building both active speaker systems and advanced SQ installations.
Premium Construction
Ground Zero designed the GZUA 2SQ using premium components for long-term reliability.
Highlights include:
- Massive aluminium heatsink for efficient cooling
- Gold-plated power and signal terminals
- Soft delayed remote turn-on
- Bass remote control included
- High-quality internal components
The robust construction ensures stable performance even during extended listening sessions.
Key Benefits
- Premium 2-channel Class-AB amplifier
- Designed specifically for Sound Quality (SQ) systems
- Up to 1000W RMS bridged output
- Stable down to 1 ohm stereo
- Adjustable BIAS setting
- HPF, LPF and BPF crossovers
- Bass Boost and Phase control
- Gold-plated terminals
- Massive aluminium heatsink
- Remote bass controller included
Recommended Applications
The Ground Zero GZUA 2SQ is ideal for:
- High-end Sound Quality (SQ) systems
- Audiophile speaker installations
- Premium component speakers
- Active front stage systems
- High-performance subwoofer applications
- Competition-level car audio builds
Technical Specifications
| Specification | Value |
|---|---|
| Amplifier Type | Class-AB |
| Channels | 2 |
| RMS Power (4 Ω) | 2 × 175 W |
| RMS Power (2 Ω) | 2 × 300 W |
| RMS Power (1 Ω) | 2 × 485 W |
| Bridged RMS Power (2 Ω) | 1000 W |
| Maximum Power | 1180 W |
| Frequency Response | 10 Hz – 70 kHz |
| High-Pass Filter | Yes |
| Low-Pass Filter | Yes |
| Band-Pass Filter | Yes |
| Bass Boost | Yes |
| Phase Adjustment | Yes |
| BIAS Adjustment | Yes |
| Remote Bass Control | Included |
| Dimensions | 209 × 360 × 48 mm |
Why Choose Ground Zero GZUA 2SQ?
The Ground Zero GZUA 2SQ is built for enthusiasts who value sound quality as much as output power. Its premium Class-AB circuitry, advanced tuning features and powerful RMS ratings make it an outstanding choice for high-end car audio systems where every detail matters.
Upgrade Your Car Audio Experience
A premium amplifier is the heart of every serious audio system. The Ground Zero GZUA 2SQ delivers exceptional clarity, dynamic power and flexible tuning options, allowing you to enjoy your music exactly as it was intended to be heard.
Choose Ground Zero GZUA 2SQ for true Sound Quality performance, powerful output and renowned German engineering.

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