PM500X2 - Receiver Rockford Fosgate - Free user manual and instructions
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| Type | Marine 2-Channel Amplifier |
| Power Output (RMS) | 50W x 2 @ 4Ω, 75W x 2 @ 2Ω, 150W x 1 @ 4Ω bridged |
| Max Power | 500W |
| Frequency Response | 20Hz - 20kHz (±1dB) |
| Input Sensitivity | 150mV - 4V |
| Signal-to-Noise Ratio | >100dB |
| Total Harmonic Distortion | <0.05% |
| Dimensions (H x W x D) | 2.1" x 7.5" x 4.5" |
| Weight | 1.5 lbs |
| Power Supply | 10-16V DC (marine rated) |
| Low Pass Filter | 50-250Hz (12dB/octave) |
| High Pass Filter | 50-250Hz (12dB/octave) |
| Bass Boost | 0-12dB @ 45Hz |
| Inputs | 2 x RCA |
| Outputs | Binding posts for 2 speakers |
| Load Impedance | 2-8Ω stereo, 4Ω bridge |
| Protection | Thermal, short circuit, over-voltage |
| Construction | Powder-coated aluminum, stainless steel hardware |
| Compliance | CE, FCC, Marine ABYC |
Frequently Asked Questions - PM500X2 Rockford Fosgate
How do I wire the PM500X2 amplifier?
Connect the power wire (12V) to the B+ terminal, ground to GND, and remote turn-on to the remote terminal. Use RCA cables for audio input. Speaker outputs: positive and negative for each channel. Refer to the wiring diagram in the manual.
Can I bridge the amplifier?
Yes, for bridged mono operation, connect the positive speaker wire to the left channel positive terminal and the negative wire to the right channel negative terminal. The minimum impedance is 4 ohms.
What are the recommended speaker impedance?
In stereo mode, use 2 to 8 ohm speakers. In bridged mode, use a 4 ohm load or higher. Avoid lower impedance to prevent overheating.
How do I set the gain?
Turn the gain knob fully counterclockwise. Play a test tone at 3/4 volume on the source. Slowly increase gain until you hear distortion, then back off slightly. Use distortion detection for best results.
What is the purpose of the crossover filters?
The low-pass filter (LPF) limits high frequencies to subwoofers; the high-pass filter (HPF) limits low frequencies to full-range speakers. Adjust the crossover frequency (50-250Hz) based on your speakers.
Can I use this amplifier on a boat?
Yes, the PM500X2 is a marine amplifier designed to withstand moisture, salt, and vibration. Ensure all connections are sealed with dielectric grease.
Why is the amplifier going into protect mode?
Protect mode may activate due to overheating, short circuit, or over-voltage. Check speaker wires for shorts, ensure adequate ventilation, and confirm the power supply (10-16V). Allow cooling before restarting.
How do I clean and maintain the amplifier?
Use a damp cloth with mild soap to wipe the exterior. Avoid solvents. Keep vents clear of debris. Inspect wiring annually for corrosion in marine environments.
What is the maximum power output?
Maximum power is 500W total (peak). RMS output is 50W x 2 @ 4 ohms, 75W x 2 @ 2 ohms, or 150W x 1 @ 4 ohms bridged. Continuous power is lower than peak.
Can I connect a subwoofer?
Yes, bridge the amplifier to a single subwoofer (4 ohms minimum). Use the low-pass filter and set the gain appropriately. For stereo subs, use both channels.
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USER MANUAL PM500X2 Rockford Fosgate
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Product information
Brand : Rockford Fosgate
Model : PM500X2
Category : Receiver