FX-500.4 - Receiver Ashly - Free user manual and instructions
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| Product Type | 4-Channel Car Audio Amplifier |
| Brand | Ashly |
| Model | FX-500.4 |
| Amplifier Class | Class AB |
| RMS Power Output (4 Ohm) | 125W x 4 |
| RMS Power Output (2 Ohm) | 250W x 4 |
| Bridged RMS Power (4 Ohm) | 500W x 2 |
| Total Dynamic Power | 1000W |
| Frequency Response | 20Hz – 20kHz (±0.5dB) |
| Signal-to-Noise Ratio | >100dB |
| Total Harmonic Distortion (THD) | <0.05% |
| Damping Factor | >200 |
| Input Sensitivity | 0.2V – 6V |
| Input Impedance | 47k Ohms |
| Low Pass Filter | 50Hz – 250Hz (variable) |
| High Pass Filter | 50Hz – 250Hz (variable) |
| Bass Boost | 0 – 12dB at 45Hz |
| Dimensions (W x H x D) | 11.8 x 2.4 x 9.1 inches |
| Weight | 8.5 lbs |
| Power Supply Voltage | 10.5V – 16V DC |
| Protection Circuits | Thermal, Short Circuit, Overload |
| Cooling | Convection with internal heatsink |
| Recommended Fuse | 80A (external) |
| Warranty | 2 years limited |
Frequently Asked Questions - FX-500.4 Ashly
What is the RMS power rating for the Ashly FX-500.4?
The FX-500.4 delivers 125W RMS per channel at 4 ohms and 250W RMS per channel at 2 ohms. Bridged output is 500W RMS per channel at 4 ohms.
Can I bridge channels on the FX-500.4?
Yes, you can bridge pairs of channels (ch1+ch2 and ch3+ch4) to obtain 500W RMS into a 4-ohm load. Follow the manual for correct wiring.
What is the recommended power wire gauge?
For full power, use 4 AWG power and ground wires. Ensure a clean, solid connection to the battery and chassis ground.
Does the FX-500.4 have built-in crossovers?
Yes, it features variable low-pass and high-pass filters (50Hz–250Hz) and a variable bass boost (0–12dB at 45Hz).
What is the input sensitivity range?
The input sensitivity is adjustable from 0.2V to 6V, allowing compatibility with most head units and signal processors.
Does the amplifier have protection features?
Yes, it includes thermal, short circuit, and overload protection. The status LED will indicate faults.
What is the impedance load stable for the amplifier?
The amplifier is stable down to 2 ohms per channel in stereo mode and 4 ohms bridged.
How do I set the gain correctly?
Set the head unit volume to about 75% of max, then adjust the gain knob until clipping is heard, then back off slightly. Use a multimeter or oscilloscope for precise setting.
What is the fuse rating?
The amplifier requires an external 80A ATC fuse on the power wire close to the battery.
Does Ashly provide a warranty for the FX-500.4?
Yes, the FX-500.4 comes with a 2-year limited warranty against defects. Contact Ashly support for details.
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USER MANUAL FX-500.4 Ashly
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Product information
Brand : Ashly
Model : FX-500.4
Category : Receiver