The QSC PLD4.3 is a four-channel power amplifier with DSP that can deliver 1400W per channel at 4 ohms. It has four XLR inputs and six NL-4 outputs, and is designed for a wide range of speaker setups. The PLD4.3 also has Flexible Amplifier Summing Technology (FAST), which distributes power across 1, 2, 3, or 4 outputs. It has an intuitive front-panel interface, and is optimized for portability, fitting into two rack spaces.

The PLD4.3 has the following features:

DSP on-board for each channel

Integrated Loudspeaker DSP

Crossover

EQ Filters

Limiting & Delay

20 Factory and 50 User Presets

Works with Amplifier Navigator Software