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The Ground Zero GZIA 200.2 is a 2-channel Class A/B car amplifier delivering 2 x 135W RMS at 4 ohms, 2 x 220W RMS at 2 ohms or 460W RMS bridged. It has an active crossover, bass boost and a high-level input with auto-on.
For a smaller amplifier in the same range, see the GZIA 100.2; for four channels, the GZIA 135.4.
Key specifications
- Channels: 2, Class A/B
- Output power (4 ohms): 2 x 135W RMS
- Output power (2 ohms): 2 x 220W RMS
- Bridged (4 ohms): 460W RMS
- Max output (CEA-2006A): 550W
- Frequency response: 8 Hz - 28 kHz
- Filters: HPF and LPF, bass boost
- Remote control: included
- Dimensions (W x H x L): 168 x 49 x 248 mm
GZIA 200.2: 2-channel high quality class A/B amplifier
A solid two-channel amplifier built for clean, reliable power. The GZIA 200.2 delivers 460W RMS bridged with a class A/B circuit, active crossover and a smart auto-on function for straightforward installation.
Features
- 2-channel amplifier
- Class AB technology
- Variable active crossover and bass boost
- Stable power supply
- Large terminals
- Black anodised heatsink with Ground Zero lettering
- High-level input with auto-on function
Explore the full range in 2 Channel Amplifiers.
Specification
| Type | High power class A/B amplifier |
|---|---|
| Channels | 2 |
| Output Power (@ 4Ω) | 2x 135 Watts RMS |
| Output Power (@ 2Ω) | 2x 220 Watts RMS |
| Ouput power (@ 4Ω) bridged | 460 Watts RMS |
| Frequency Response | 8 Hz – 28 kHz |
| HPF / LPF / BPF | Yes / Yes / No |
| Bass Boost / Phase Shift | Yes / No |
| High-Level Input / Auto-on | Yes / Yes |
| Remote Control | Included |
| BIAS Setting | No |
| Linkmode | No |
| Dimensions | (w x h x L) 168 x 49 x 248 mm / 6.61″ x 1.93″ x 9.76″ |
More specs
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What's Included
- GZIA 200.2
Ground Zero
About the Ground Zero GZIA 200.2
From our tech experts at CEN
A 2-channel amplifier from Ground Zero, Class AB, rated at 440w.
Who it suits
Drivers who have upgraded their speakers and found the head unit cannot drive them properly. Ground Zero is a German brand with a strong following in competition and SPL circles, and the amplifiers reflect that.
Our tech experts advise
Matching matters more than headline watts, and gains want setting with a meter rather than by ear. It needs a fused feed from the battery on the correct cable gauge. 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: What wiring do I need to install this amplifier?
A: You will need an amplifier wiring kit sized to the amplifier's power draw, typically including power and earth cable, a fuse, RCA leads and a remote wire. CEN stocks complete wiring kits, and the amplifier's fuse rating is the guide to the cable gauge required.
Q: What class of amplifier is this and does it matter?
A: Class D amplifiers are compact and efficient, ideal for subwoofers and modern installs. Class AB designs are traditionally favoured for outright sound quality on mid and high frequencies. The class is listed in the Specification tab where provided.
Q: Will an amplifier work with my factory head unit?
A: Yes, in most cases. If your head unit has no RCA outputs you will need a line output converter to feed the amplifier a clean signal. CEN stocks line output converters and can advise the right one for your vehicle.
Q: Can CEN install this amplifier?
A: Yes. CEN offers professional amplifier installation from our Nottingham premises, including secure mounting, wiring and setup. Contact us to book.
Q: How much power does the GZIA 200.2 deliver?
A: It delivers 2 x 135W RMS at 4 ohms, 2 x 220W RMS at 2 ohms, or 460W RMS bridged at 4 ohms, with 550W max output (CEA-2006A).
Q: Can the GZIA 200.2 be bridged to run a subwoofer?
A: Yes. Bridged at 4 ohms it delivers 460W RMS, and it has a variable low-pass filter and bass boost.
Q: Is a remote control included with the GZIA 200.2?
A: Yes. A remote control is included.
