POWERZONE Crunch PZI 325.2 - User Manual

Discusses system design principles for car audio, emphasizing the weakest link.

Covers physical mounting, wiring practices, and power/ground connections.

Details the safe order for connecting components and initial power-on.

Overview of common features like LEDs, diagnostic system, and impedance limits.

Details crossover functions, modes, and input/output for 2-channel models.

Explains features specific to 4-channel models, including operation modes.

Describes features of 1-channel mono block amplifiers, including controls.

Details features of D-class mono amplifiers, including controls and specifications.

Basic application for 2-channel amps in full range stereo mode.

Illustrates bridging 2-channel amps for mono operation.

Using 2-channel amps for bi-amplified systems with high and low frequencies.

How to use 4-channel amps as discrete 4-channel full range units.

Using 4-channel amps for 2 or 3 channel operation via bridging.

Implementing a 2-way active system using a 4-channel amp for highs and bass.

Variation of the 2-way system using front/rear outputs for fade control.

Using mono amps for bi-amplification systems, replacing 2-channel amps.

Using D-class mono amps for bi-amplification systems.

How to use the 5-channel amp as discrete 5-channel full range units.

Comparison of features for 2-channel amplifier models.

Comparison of features for 4-channel amplifier models.

Comparison of features for the 5-channel amplifier model.

Comparison of features for 1-channel mono amplifier models.

Covers general settings and input level matching for 2, 4, and 5 channel amps.

Guidance for setting up 2 or 3-way active systems.

Details setup for mono amps, including subsonic, bass EQ, low pass, and phase.

Explains the PROTECT LED and how to diagnose amplifier faults.

Causes and solutions for amplifier overheating.

Troubleshooting steps for low output power issues.

Reasons for fuses blowing and how to troubleshoot.

Steps to diagnose why the amplifier is not powering on.

Identifying and resolving hiss and electrical interference.

Diagnosing and fixing noise that changes with engine speed.

Troubleshooting a persistent, unstable whine noise.

Details what parts and labor are covered under the warranty.

Lists conditions and actions that void the warranty.

Procedures for returning products for warranty service.