MX800.1 - Receiver PHOENIX GOLD - Free user manual and instructions
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| Product Type | Monoblock Car Audio Amplifier |
| Brand | Phoenix Gold |
| Model | MX800.1 |
| Power Output (RMS) | 800W x 1 @ 1 ohm |
| Power Output (RMS) | 500W x 1 @ 2 ohm |
| Power Output (RMS) | 300W x 1 @ 4 ohm |
| Frequency Response | 20 Hz - 20 kHz |
| Input Sensitivity | 200 mV - 6 V |
| Signal-to-Noise Ratio | >100 dB |
| Total Harmonic Distortion | <0.1% |
| Amplifier Class | Class D |
| Dimensions (W x L x H) | 12.2 x 8.5 x 2.1 in (310 x 216 x 53 mm) |
| Weight | 5.5 lbs (2.5 kg) |
| Power Supply Voltage | 11-15 V DC |
| Fuse Rating | 80A (external) |
| Low Pass Filter | 50 Hz - 250 Hz (variable) |
| Subsonic Filter | 15 Hz - 40 Hz (variable) |
| Bass Boost | 0-18 dB @ 45 Hz |
| Remote Level Control | Included |
| Speaker Impedance | 1 - 4 ohm (stable at 1 ohm) |
| Protection Circuitry | Thermal, short-circuit, over-current, DC offset |
| Recommended Wire Gauge | 4 AWG for power and ground |
| Purpose | Subwoofer amplifier for car audio systems |
Frequently Asked Questions - MX800.1 PHOENIX GOLD
What is the RMS power output of the Phoenix Gold MX800.1?
The MX800.1 delivers 800W RMS x 1 channel at 1 ohm, 500W at 2 ohms, and 300W at 4 ohms.
Can I run this amplifier at 0.5 ohm?
No, the MX800.1 is stable down to 1 ohm. Running below 1 ohm will cause the amplifier to overheat or go into protection.
What size fuse should I use for the MX800.1?
Use an 80A external fuse on the power wire near the battery. The amplifier itself does not have an internal fuse.
What gauge wire do I need for installation?
For optimal performance, use 4 AWG power and ground wires. If the amplifier is far from the battery, consider upgrading to 1/0 AWG for future expansion.
Does the MX800.1 have a built-in crossover?
Yes, it features a variable low-pass filter (50-250 Hz) and a subsonic filter (15-40 Hz) to protect your subwoofer.
How do I adjust the gain on the MX800.1?
Use the level control (gain knob) on the amplifier. Turn it fully counterclockwise, then slowly increase while playing music until the desired output is reached without distortion. Use a multimeter for precise setting.
What is the input sensitivity?
The input sensitivity is 200 mV to 6 V, allowing compatibility with most factory and aftermarket head units.
Why does my MX800.1 go into protection mode?
Common causes include: short circuit at the speaker terminals, voltage drop below 11V, thermal overload, or impedance lower than 1 ohm. Check your wiring and ensure adequate cooling.
Can I bridge two MX800.1 amplifiers?
No, the MX800.1 is a monoblock amplifier and cannot be bridged. However, you can use a Y-splitter to feed the same signal to both for multiple subwoofers.
What subwoofer impedance should I use?
For maximum power, use a single 1 ohm load or two 2 ohm subwoofers in parallel. For 2 ohm stable operation, use a single 2 ohm subwoofer or two 4 ohm subwoofers in parallel.
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