What to do if Ground Zero GZIA 1.1150D turns off at high volume?
If your Ground Zero Amplifier turns off at medium or high volume, the speaker load impedance might be incorrect. Check if each speaker's load impedance matches the amplifier's technical specifications.
What to do if my Ground Zero Amplifier has no sound?
If there is no audible sound from your Ground Zero Amplifier, start by checking if the POW LED is green. If not, examine the amplifier's protection fuse(s), the remote wire connection (in RCA input mode), the +12 Volt power supply wire connection, and the ground wire connection. If the PROTECT LED is red, inspect for speaker shorts or amplifier overheating.
Why my Ground Zero Amplifier does not turn on?
If your Ground Zero Amplifier isn't turning on, verify the power supply and connections. Also, if using RCA input mode, ensure the remote wire is properly connected to the head unit.
Why is the status LED on my Ground Zero Amplifier red?
If the status LED on your Ground Zero Amplifier is red, it could be due to the temperature protection circuit being active or shorted/damaged speaker wires. Try decreasing the head unit's volume or waiting for the amplifier to cool down. Also, inspect the speaker wires and speakers for shorts or damage, and insulate if necessary.
How to fix no sound on one channel of Ground Zero Amplifier?
If you're experiencing no sound on one channel of your Ground Zero Amplifier, check the speaker wiring for short circuits or open connections. Additionally, verify the input signal on each RCA lead by reversing the left and right RCA inputs to test the audio input signal.
Specifies recommended wire gauges for speaker and power connections.
Connection point for speaker wires; minimum load 1 ohm.
Connections for +12V battery, remote, and ground.
Location for fuses and recommendation for replacement.
Allows setting the correct phase (0° or 180°).
Adjusts crossover point for frequencies above selected value (30-250 Hz).
Controller to adjust input sensitivity.
Input sockets for RCA wires. Do not use simultaneously with high-level input.
Connects to speaker output; enables auto-on feature. Do not use with RCA.
Indicates operation status via POWER (green) and PROTECT (red) LEDs.
Connection for optional bass level remote control.
Adjusts bass boost level from 0 to +12 dB at 45 Hz.
General| Bass boost | 0 - 12 dB |
|---|---|
| Damping factor | 100 |
| Amplifier class | D |
| Frequency range | 10 - 250 Hz |
| Audio output channels | 1.0 channels |
| Peak power per channel | 1150 W |
| Signal-to-Noise Ratio (SNR) | - dB |
| Total Harmonic Distortion (THD) | 0.08 % |
| RMS power output per channel (1 Ohm) | 1050 W |
| RMS power output per channel (2 Ohm) | 665 W |
| RMS power output per channel (4 Ohm) | 370 W |
| Purpose | - |
| Fuse rating | 2x 40A |
| Product color | Black |
| Low pass filter | Yes |
| Low pass filter range | 30 - 250 Hz |
| Connectivity technology | Wired |
Weight and Dimensions| Depth | 302 mm |
|---|---|
| Width | 192 mm |
| Height | 49 mm |
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