QSC PLD4.3 Processing Amplifier with FAST™ Technology

Powerful Intrinsic Correction™, four channels of full function onboard loudspeaker DSP, 20 factory preset configurations

No reviews yet. Leave a review

What's in the box:

  • QSC PLD4.3 Processing Amplifier
  • Locking IEC Cable
  • USB Cable
  • Limited Three-Year Warranty


Get More Value with CCI Solutions

Worry-Free Guarantee
FREE Certified Tech Support
Best Available Price
Retail Price
Save 18%
CCI Price
Usually Ships
1 to 2 Days
Item Number 
Vendor Part

The QSC PLD4.3, part of the PLD Series, represents a revolutionary advancement in amplifier technology and innovation. Designed specifically for the needs of portable and production sound system users, the QSC PLD4.3 processing amplifier provides efficient, robust and extraordinarily high-fidelity power to drive multiple channels and configurations of loudspeakers while simultaneously deploying sophisticated digital processing - all with minimal operator complexity. The PLD Series consists of three powerful, lightweight, four-channel audio amplifiers, each with onboard, advanced DSP and the capability to configure and combine channels in various ways to drive a wide range of loudspeaker systems.


  • Flexible Audio Amplifier Summing Technology™ (FAST) drives most any loudspeaker system or configuration by distributing total amplifier power across one, two, three or all four channels
  • Four channels of full function onboard loudspeaker DSP with Crossover and Parametric EQ Filters, Limiting and Alignment Delay eliminate the need for outboard loudspeaker processors
  • 20 Factory Preset configurations that can be modified and stored in the 50 User Presets
  • PowerLight universal switchmode power supply with PFC for highest efficiency, improved audio performance, and low weight
  • Four Input XLR connectors, and six NL-4 Output connectors
  • Integrated front panel with channel Select and Mute buttons, Input and Output LED Metering, 400x240 LCD, intuitive navigation buttons, LED power button and indicator, and cast aluminum handles
  • Preset Wizard simplifies amplifier configuration providing loudspeaker selection from a list of the top selling passive speakers
  • Powerful Intrinsic Correction™ processing maximizes the sonic performance of QSC loudspeakers

Be sure to check out the brochure and video for more information!

Specifications for the QSC PLD4.3 Processing Amplifier

{ "Number of Channels" : "4", "Power Class" : "Class-D", "Watts/Side @ 8 ohms" : "900W Peak, 625W Continuous", "Watts/Side @ 4 ohms" : "1400W Peak, 625W Continuous", "Watts/Side @ 2 ohms" : "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.", "Manufacturer Part Number" : "PLD4.3-NA" }

Advanced Amplifier Technologies Seminar - PLD/CXD/CXD-Q

QSC: PLD/CXD Product Pillars

PLD/CXD: Product Introduction (English)

PLD/CXD: Preset Wizard, Speaker Wizard & Utility (User Interface Training)

PLD/CXD Amplifier Navigator Software

PLD/CXD: Inputs/Outputs & EQ Processing (User Interface Training)

QSC: PLD/CXD: "An Inside Look"

Understanding Sound Reinforcement - Power Amplifiers (Part 2)

Understanding Sound Reinforcement - Power Amplifiers (Part 1)

Read 0 reviews for the PLD4.3 Processing Amplifier with FAST™ Technology

Overall Rating:
Leave a review