GZPA 4SQ - Receiver Ground Zero - Free user manual and instructions
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| Product Type | 4-Channel Car Audio Amplifier (Receiver) |
| Dimensions (W x H x D) | 210 x 150 x 50 mm |
| Weight | 2.5 kg |
| Power Supply | 12V DC (negative ground) |
| Number of Channels | 4 |
| Power Output (RMS per channel) | 100W at 4 ohms |
| Total RMS Power | 400W |
| Frequency Response | 20 Hz - 20 kHz |
| Signal-to-Noise Ratio | 100 dB |
| Crossover | Variable high-pass/low-pass (50-250 Hz) |
| Input Sensitivity | 0.2V - 6V |
| Speaker Impedance | 2 - 8 ohms |
| Remote Turn-On | Yes (12V trigger) |
| Protection Circuits | Thermal, short circuit, overvoltage |
| Cleaning and Maintenance | Wipe with a dry, lint-free cloth; do not use solvents |
| Safety Precautions | Disconnect battery before installation; ensure proper ventilation |
| Spare Parts Availability | Contact Ground Zero support for replacement parts |
| General Information | Designed for car audio systems; manual available for download |
Frequently Asked Questions - GZPA 4SQ Ground Zero
What is the GZPA 4SQ?
The GZPA 4SQ is a 4-channel car audio amplifier (receiver) from Ground Zero, designed to power speakers in a vehicle.
How do I install the GZPA 4SQ?
Disconnect the car battery. Connect power (12V), ground, remote turn-on, and speaker wires according to the manual. Ensure proper fuse rating.
What is the power output of the GZPA 4SQ?
It delivers 100W RMS per channel at 4 ohms, for a total of 400W RMS.
Can I bridge channels?
Yes, you can bridge channels 1&2 and 3&4 for higher power. Refer to the manual for wiring.
What is the recommended speaker impedance?
The amplifier works with 2 to 8 ohm speakers. Bridged operation requires 4 ohms minimum.
How do I set the crossover?
Use the variable crossover dials to set high-pass (HP) or low-pass (LP) filters, typically between 50-250 Hz.
Why is my amplifier shutting off?
This may be due to thermal protection, short circuit, or low voltage. Check ventilation, wiring, and battery voltage.
Where can I download the manual?
The manual is available for free on notice-facile.com in PDF format.
How do I clean the amplifier?
Use a dry, lint-free cloth to wipe the exterior. Do not use liquids or chemicals.
Does the GZPA 4SQ have a remote turn-on?
Yes, it has a remote turn-on input (REM) that accepts a 12V signal from the head unit.
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