Zapco ST-A1 Amp Android Unit Class AB Amplifier Plug & Play 4x35w RMS
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The Zapco ST-A1 is a compact Class AB amplifier designed to plug straight into Android head units, adding clean power without complex installation.
ST-A1
Android Unit Class AB Amplifier
- 3 Bands Equalization
- 4 Balanced High-Level Inputs
- High-Quality OP
- 2 RCA Outputs for Amplified Subwoofer
- Over-Current and Over-Voltage Protection
- High Temperature Protection
- Power @ 4Ω: 4 x 35 watts
- Power Max: 4 x 70 watts
- THD @ Rated Power < 0.1%
- Signal to Noise Ratio > 85dB
- Channel Separation > 70dB
- Frequency Response 20Hz to 20KHz
- Dimensions (mm): 103(W) x 45(H) x 151(L)
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Specification
| Power @ 4Ω | 4 x 35 watts |
|---|---|
| Power Max | 4 x 70 watts |
| Frequency Response | 20Hz to 20KHz |
| Dimensions | (mm) 103(W) x 45(H) x 151(L) |
More specs
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What's Included
- Zapco ST-A1
Zapco
Explore the full Zapco range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Zapco
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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.
