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GZIA 135.4
4-channel high quality class A/B amplifier
4-channel amplifier with class A/B circuit, integrated active crossover and black anodized heatsink
Features
- 4-channel amplifier
- Class AB technology
- Variable active crossover and bass boost
- Stable power supply
- Large terminals
- Black anodized heatsink with Ground Zero lettering
- High-level input with auto-on function
Specification
| Model | High-Quality Class A/B amplifier |
|---|---|
| Channels | 4 |
| Output Power (@ 4Ω) | 4x 100 Watts RMS |
| Output Power (@ 2Ω) | 4x 140 Watts RMS |
| Output Power (@ 4Ω) bridged | 2x 280 Watts RMS |
| Frequency Response | 8 Hz – 28 kHz |
| HPF / LPF / BPF | Yes / Yes / No |
| Bass Boost / Phase switch | Yes / No |
| High level input / Auto-on | Yes / Yes |
| Remote | No |
| BIAS Setting | No |
| Linkmode | No |
| Dimensions | (W x L x H) 168 x 49 x 278 mm / 6.61″ x 1.93″ x 10.94″ |
More specs
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What's Included
- GZIA 135.4
About the brand
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.
