800-562-6006

QSC PLD4.5 Processing Amplifier with FAST™ Technology

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

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What's in the box:

  • QSC PLD4.5 Processing Amplifier
  • Locking IEC Cable
  • USB Cable
  • Limited Three-Year Warranty

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Item Number 
QSC-PLD4.5
Vendor Part

The QSC PLD4.5, part of the PLD audio & sound equipment Series, showcases a revolutionary advancement in amplifier technology and innovation. The QSC PLD4.5 amplifier is designed with portability and production sound system users in mind. The QSC PLD audio amplifier provides efficient, robust and incredibly high-fidelity power to drive multiple channels and configurations of loudspeakers while also deploying sophisticated digital processing - all with minimal operator complexity. The QSC PLD audio amplifier Series consists of three powerful, portable four-channel amplifiers, each with advanced DSP, onboard, and the capability to combine and configure channels to drive a wide range of audio & sound equipment systems.

Features:

  • Flexible 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
  • Powerful Intrinsic Correction™ processing maximizes the sonic performance of QSC loudspeaker
  • 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

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

Specifications for the QSC PLD4.5 Processing Amplifier

{ "Channels" : { "4 Channels Continuous" : { "8 Ω" : "1150 W", "4 Ω" : "1250 W", "2 Ω" : "625 W" }, "2 Channels Continuous" : { "8 Ω" : "2250 W", "4 Ω" : "2250 W", "2 Ω" : "2100 W" }, "1 Channel Continuous" : { "8 Ω" : "4200 W", "4 Ω" : "4200 W", "2 Ω" : "4250 W", "1 Ω" : "3700 W" }, "1-1.0 kHz sine wave" : "", "1% THD" : "", "1 channel driven" : "" }, "Distortion" : { "Typical Distortion" : { "8 Ω" : "0.01 to 0.03%", "4 Ω" : "0.03 to 0.06%", "Maximum Distortion" : { "4 to 8 Ω" : " 1.0%", "20 Hz to 15 kHz +/- 0.2 dB" : "" } }, "Frequency Response" : [ "20 Hz to 20 kHz + 0.2 dB", "-0.7 dB (8 Ω)" ] }, "Noise Characteristics" : { "Output" : { "Unweighted Output Unmuted" : "-101 dB", "Weighted Output Muted" : " -109 dB" }, "Gain" : "38.4 dB (1.2 V setting)", "Damping Factor" : "> 150", "Input Impedance" : "> 10 k, balanced or unbalanced", "Maximum Input Level" : { "3.9 V Setting" : "12.28 V (+24 dBu)", "1.2 V Setting" : " 3.88 V (+14 dBu)" }, "Controls and Indicators" : { "Front" : [ "Power", "Channel mute buttons", "Channel select buttons", "Channel input signal and clip LED indicators", "Channel output and limit LED meters", "Home, enter, exit, gain navigation buttons", "Control knob" ], "Rear" : "AC power disconnect" }, "Input Connectors" : "Female XLR", "Output Connectors" : "NL4", "Amplifier" : { "Amplifier and load protection" : [ "Short circuit", "open circuit", "thermal", "RF protection", "On / Off muting", "DC fault shutdown", "active inrush limiting", "input current limiting" ] }, "AC Power" : { "Input" : [ "Universal power supply 100 to 240 VAC", "50 to 60 Hz" ] }, "Agency Approval" : [ "UL", "CE", "RoHS / WEEE compliant", "FCC Class A (conducted and radiated emissions)" ], "Dimensions (H x W x D)" : "3.50 x 19.00 x 16.00" (8.89 x 48.26 x 40.64 cm)", "Weight" : "22.00 lb (9.98 kg)" } }

Research Materials for QSC PLD4.5 Processing Amplifier

We've added technical materials to help with your buying decision. Even if you're technically inclined, you may want to consider talking to our sales techs to make sure this item is the right fit for your particular use. 800.562.6006

PLD4.5 Processing Amplifier User Guide

PLD4.5 Processing Amplifier Drawing

PLD4.5 Processing Amplifier Quick Start Guide

PLD Processing Amplifier Application Guide

PLD4.5 Processing Amplifier Specifications

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)

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