Do you have a question about the Crunch MXB 480 and is the answer not in the manual?
Guidelines for mounting the amplifier and routing wiring to minimize noise interference.
Details on using appropriate gauge cables, fuses, and secure connections for power and ground.
Explanation of the amplifier's built-in diagnostic system and LED indicators for fault detection.
Steps to identify short circuits on speaker leads and potential internal amplifier faults.
Identifying causes for fuse blowing, such as improper impedance or electrical shorts.
Steps to diagnose and resolve issues when the system fails to power on.
Troubleshooting ticking or whine that changes with engine RPM, often due to RCA cable placement.
| Channels | 4 |
|---|---|
| Bridgeable | Yes |
| Crossover Type | Variable |
| Bass Boost | 0 - 12dB |
| RMS Power @ 4 Ohms | 80 Watts x 4 |
| RMS Power @ 2 Ohms | 120 Watts x 4 |
| Bridged RMS Power @ 4 Ohms | 240W x 2 |
| Total RMS Power Output | 480W |
| Signal to Noise Ratio | 90 dB |
| Input Sensitivity | 200mV - 6V |
| Low Pass Crossover Frequency / Filter | 50 Hz to 250 Hz |
| THD at Rated Power | 0.05% |











