J2 360.2 - Hi-Fi System JL Audio - Free user manual and instructions
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| Product Type | 2-Channel Car Audio Amplifier |
| Brand | JL Audio |
| Model | J2 360.2 |
| RMS Power (4 Ohms) | 90W x 2 |
| RMS Power (2 Ohms) | 180W x 2 |
| Bridged RMS Power (4 Ohms) | 360W x 1 |
| Frequency Response | 20Hz - 20kHz |
| Signal-to-Noise Ratio | >100 dB |
| Total Harmonic Distortion | <0.05% |
| Input Sensitivity | 200mV - 4V |
| Dimensions (L x W x H) | 330mm x 200mm x 60mm |
| Weight | 4.5 kg |
| Power Supply | 12V DC (11-15V) |
| Current Draw (Max) | 40A |
| Fuse Rating | 40A (AGU or AFS) |
| Low Pass Filter | 50Hz - 500Hz (12dB/octave) |
| High Pass Filter | 50Hz - 500Hz (12dB/octave) |
| Bass Boost | 0-12dB at 45Hz |
| Input Type | RCA stereo |
| Speaker Outputs | 2-channel speaker terminals |
| Maintenance | Wipe with dry cloth, avoid moisture |
| Safety Precautions | Disconnect battery before installation; ensure proper ventilation |
| Repair and Spare Parts | Contact authorized JL Audio dealer |
Frequently Asked Questions - J2 360.2 JL Audio
What is the power output of the JL Audio J2 360.2?
The JL Audio J2 360.2 delivers 90W x 2 RMS at 4 ohms, 180W x 2 RMS at 2 ohms, and can be bridged to 360W x 1 RMS at 4 ohms.
How do I properly install the amplifier?
First, disconnect the negative battery terminal. Mount the amplifier on a flat surface with adequate ventilation. Use high-quality power and ground cables (at least 4 AWG). Connect the remote turn-on wire to the head unit's remote output. Ensure all connections are secure.
What is the recommended fuse size?
Use a 40A fuse (AGU or AFS type) on the power wire near the battery. Never exceed the recommended rating.
Can I use this amplifier with my factory head unit?
Yes, but you may need a line output converter (LOC) if your factory head unit lacks RCA outputs. The amplifier's input sensitivity (200mV to 4V) can accommodate low-level signals from an LOC.
How do I adjust the crossover settings?
The amplifier features variable low-pass and high-pass filters. Use the crossover switches to select filter type (LPF, HPF, or full). Adjust the frequency knob (50Hz-500Hz) to match your speakers and subwoofer.
What impedance load is the amplifier stable to?
The J2 360.2 is stable down to 2 ohms stereo and 4 ohms bridged. Do not operate below these impedances to avoid overheating or damage.
Why is my amplifier going into protection mode?
Common causes: impedance too low, overheating, shorted speaker wires, or insufficient power supply. Check speaker connections, ensure ventilation, and verify battery voltage (should be 12-14.4V).
How do I set the gain correctly?
Turn the gain to minimum. Play music at 75% of head unit volume. Gradually increase gain until you hear distortion, then back off slightly. Use a multimeter or oscilloscope for precise setting.
What is the warranty period for this amplifier?
JL Audio offers a 2-year warranty on the J2 360.2 from the date of purchase. Keep your receipt and register the product online for support.
Can I bridge two channels to power a single subwoofer?
Yes, bridge the left and right channels by connecting the subwoofer to the left positive (+) and right negative (-) terminals. Set the amplifier to bridged mode if applicable. Ensure the subwoofer impedance is 4 ohms or higher.
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USER MANUAL J2 360.2 JL Audio
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Product information
Brand : JL Audio
Model : J2 360.2
Category : Hi-Fi System