ZQ9004 - Receiver PHOENIX GOLD - Free user manual and instructions
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| Product Type | Car Audio Amplifier / Receiver |
| Brand | Phoenix Gold |
| Model | ZQ9004 |
| Number of Channels | 4 |
| RMS Power | 4 x 100W @ 4 ohms; 4 x 150W @ 2 ohms |
| Max Power | 900W |
| Frequency Response | 10 Hz - 30 kHz |
| Signal-to-Noise Ratio | > 100 dB |
| Input Sensitivity | 200 mV - 6 V |
| Dimensions (W x H x D) | 12.2 x 2.1 x 7.5 inches (310 x 53 x 190 mm) |
| Weight | 5.1 lbs (2.3 kg) |
| Power Supply | 12V DC (10-16V) |
| Recommended Fuse | 80A |
| Input Types | RCA line inputs, speaker-level inputs |
| Output Types | 4-channel speaker outputs, RCA pre-outs |
| Built-in Crossover | Low-pass, high-pass, full-range selectable |
| Remote Control | Not included (optional remote gain controller) |
| Protection Circuits | Thermal, over-current, short-circuit, DC offset |
| Maintenance | Clean with dry cloth; ensure adequate ventilation |
| Safety | Install by qualified professional; disconnect battery before installation |
| Spare Parts / Repairability | Contact authorized service center; no user-serviceable parts inside |
Frequently Asked Questions - ZQ9004 PHOENIX GOLD
What size power wire should I use?
For the ZQ9004, use 4 AWG power and ground wire for optimal performance. Ensure the wire is rated for the current (80A fuse recommended).
Can I bridge channels?
Yes, you can bridge channels 1/2 and 3/4 for more power. Bridged output: 2 x 300W @ 4 ohms (max).
What minimum impedance is stable?
The amplifier is stable down to 2 ohms per channel in stereo and 4 ohms when bridged. Do not go lower to avoid damage.
How do I adjust the gain?
Set the gain using a multimeter or oscilloscope. Start with all settings at minimum, play a test tone, and adjust until desired output without distortion.
Does it have a built-in crossover?
Yes, it features a selectable crossover with low-pass, high-pass, and full-range modes. The crossover frequency is adjustable from 40 Hz to 400 Hz.
What fuse size is required?
Use an 80A fuse on the main power wire near the battery. If using multiple amplifiers, sum the fuse ratings.
Can I connect it to a factory stereo?
Yes, it accepts speaker-level inputs. Use the included harness or a line output converter for best signal quality.
How do I connect multiple amplifiers?
Use a distribution block from the main power wire. Ensure each amplifier has proper fuse protection and share a common ground point.
What is the remote turn-on connection?
The remote terminal accepts 12V from the head unit's remote output. If not available, use a signal-sense turn-on module.
What to do if the amplifier has no sound?
Check power and ground connections, fuse, remote voltage, and input signal. Ensure the protection light is off. Set gain and crossover correctly.
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