The QSC PLX3602 is a high-performance, lightweight 2U rackmount power amplifier designed for professional live sound and demanding mobile applications. Weighing only 21 lbs (9.5 kg), it utilizes third-generation PowerLight switch-mode technology to deliver high output without the bulk of traditional transformers.
Key Features:
- Integrated Processing: Includes built-in 100 Hz high-pass and low-pass filters for bi-amping subwoofers and satellite speakers without an external crossover.
- Advanced Cooling: Features a variable-speed fan with a front-exit exhaust design to keep equipment racks cool.
- I/O Connectivity: Equipped with balanced XLR inputs with parallel TRS connectors for loop-through, and both Neutrik Speakon NL4 and touch-proof binding post outputs.
- Protection Circuitry: Provides full protection against short circuits, thermal overload, and infrasonic/ultrasonic interference.
- User Controls: Features 21-position front-panel gain controls for precise and repeatable adjustments.
User & Expert Insights:
- Performance: Experts from AudioTechnology describe it as “fast, clean, and of very high quality,” noting its effectiveness for heavy subwoofer work.
- Reliability: According to users on zZounds, it is highly regarded for its “clean sound” and “bulletproof” build, though some have noted the cooling fan can be audible or “whine” in quiet environments.
- Usage Caution: Reviewers on Equipboard warn that while it is 2-ohm stable in stereo, running it below 4 ohms in bridged mode can lead to thermal issues and is not recommended
