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QSC PLD4.3 Power Amplifier with DSP


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4-channel Class D power amp design delivers 1400W @ 4 ohms per channel

SKU: PLD4.3-EU Categories: ,

Versatile Amp for Flexible Configurations

The QSC PLD 4.3 625W power amplifier is a portable, versatile solution to fit your PA needs. With QSC’s remarkable Flexible Amplifier Summing Technology, you can distribute power to as many as four speakers. The QSC PLD 4.3 Power Amplifier is made to achieve matchless audio quality with its Class D amplifier engine. Its Preset Wizard feature also allows you to dial in and recall presets seamlessly with its easy to use interface. With a rack-friendly, 2U, and 18.5-pound form, the QSC PLD 4.3 Power Amplifier is an essential companion for your live-sound rig.

Flexible Amplifier Summing Technology (FAST)

With the revolutionary Flexible Amplifier Summing Technology, the QSC PLD Power Amplifier can deliver total power from one to four speaker outputs in various combinations. This concept utilizes the ability to remap the outputs to the desired output power. From a four subwoofer system to a full-range loudspeaker with subwoofer combo, the PLD Power Amplifier series will provide all the juice your rig needs to project your audio signa

Preset Wizard makes custom setup easy

One of the areas where the QSC PLD series really shines is in portable live sound situations. Compacted in two rack spaces, this power amplifier features the Preset Wizard with a very user-friendly front-panel interface. Shipped with 20 factory presets that are based on widely popular combinations, you can also customize your own settings with the Preset Wizard. Recalling these saved presets at a venue just takes seconds!

Remote Control via Amplifier Navigator

QSC’s free downloadable Amplifier Navigator software gives you remote control and monitoring of all functions your PLD amp, including the on-board DSP and configuration. It also provides a mechanism to create, store, and recall Presets and Loudspeaker Profiles to and from the PC or Mac. Preset and Loudspeaker Profile Libraries can also be downloaded and uploaded to connected amplifiers, allowing you to “clone” amplifiers for multi-function racks with duplicate amps.

Fourth generation Class D technology

QSC’s PLD series features an innovative MOSFET transistor that is quintessential to its fourth generation Class D power amp design. This circuitry delivers raw power with exceptional sound quality without needing full bridge output. As a result, you’ll be able to add dynamics to your live sound while ensuring the audio remains crisp and clear.

QSC PLD 4.3 Power Amplifier Features:

  • 4-channel Class D power amp design delivers 1400W @ 4 ohms per channel
  • 4 x XLR inputs and 6 x NL-4 outputs accommodate a wide range of speaker setups
  • Flexible Amplifier Summing Technology (FAST) distributes power in a variety of configurations across 1, 2, 3, or 4 outputs
  • Intuitive, simple front-panel interface cuts down setup time
  • Preset Wizard makes setup quick and painless
  • Optimized for portability and fits in 2 rack spaces

Tech Specs

  • Number of Channels:4
  • Power Class:Class-D
  • Watts/Side @ 8 ohms:Per Channel: 900W Peak, 625W Continuous
  • Watts/Side @ 4 ohms:Per Channel: 1400W Peak, 625W Continuous
  • Watts/Side @ 2 ohms:Per Channel: 1200W Peak, 625W Continuous
  • Inputs:4 x XLR
  • Outputs:6 x NL-4
  • Rack Spaces:2U
  • Height:3.5″
  • Depth:16″
  • Width:19″
  • Weight:21 lbs.
Additional information
Weight 10 kg
Dimensions 50 × 40 × 30 mm
Hybrid Condensers


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