QSC PLD4.2
With four flexible channels of up to 700 watts each, lightweight PowerLight universal power supply, DSP on-board for each channel, and all the right connectors, the PLD4.2 is ideal for production and live sound applications.
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.
E Series Entertainment System DSP Tunings are now available for PLD processing amplifiers:
- Visit the Amplifier Navigator Software to download and update
Powerful Intrinsic Correction™ processing maximizes the sonic performance of QSC loudspeakers.
20 factory preset configurations that can be modified and stored in the 50 user presets.
PowerLight universal switch mode power supply with PFC for highest efficiency, improved audio performance, and low weight.
Four input XLR connectors and six NL4 output connectors.
Integrated front panel with channel Select and Mute buttons, input and output LED metering, 400×240 LCD, intuitive navigation buttons, LED power button and indicator, and cast aluminum handles.
Preset Wizard simplifies amplifier configuration, providing selection from a list of the top selling passive loudspeakers.
QSC PLD4.2
General Specifications
PLD4.2 PLD4.3 PLD4.5 Typical Distortion
0.01–0.06%Maximum Distortion 1.0% Frequency response 20 Hz–15 kHz ±0.2 dB
20 Hz–20 kHz +0.2/-0.7 dBNoise:
Unweighted Output Unmuted
-101 dB
Noise:
Weighted Output Muted-109 dB Gain 1.2V 34.0 dB 38.4 dB 38.4 dB Damping factor >150 Input impedance >10 kΩ, balanced or unbalanced Maximum rms input level 3.9V
12.28 V (+24 dBu)
1.2V 3.88 V (+14 dBu) 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 4.2: Universal Power Supply 100-132/200–240 VAC, 50–60 Hz
4.3/4.5: Universal Power Supply 100–240 VAC, 50–60 HzPower Specifications
PLD4.2 PLD4.3 PLD4.5 Peak Continuous Peak Continuous Peak Continuous 4 Independent Channels
A, B, C, D
8Ω 500 W 400 W 900 W 625 W 1200 W 1150 W 4Ω 700 W 400 W 1400 W 625 W 2000 W 1250 W 2Ω 625 W 325 W 1200 W 625 W 1600 W 625 W 2 Channel BTL Bridged
A+B or C+D
Doubles Voltage
8Ω 1200 W 800 W 2400 W 1250 W 4000 W 2250 W 4Ω 1500 W 600 W NR* NR* NR* NR* 2Ω NR* NR* NR* NR* NR* NR* 2 Channel Parallel
AB or CD
Doubles Current
8Ω 500 W 400 W 1300 W 1150 W 1250 W 1150 W 4Ω 950 W 800 W 2000 W 1250 W 2400 W 2250 W 2Ω 1200 W 800 W 2500 W 1250 W 4000 W 2100 W 1 Channel 3CH Parallel
ABC
Triples Current
8Ω 500 W 400 W 1400 W 1150 W 1400 W 1150 W 4Ω 950 W 800 W 2400 W 2000 W 2500 W 2400 W 2Ω 1800 W 1200 W 3500 W 2500 W 4500 W 4100 W 1 Channel Bridged/Parallel
AB+CD
Doubles Current and Voltage
8Ω 1600 W 1500 W 3500 W 2500 W 4500 W 4200 W 4Ω 2500 W 1600 W 5000 W 2500 W 7500 W 4200 W 2Ω NR* NR* NR* NR* NR* NR* 1 Channel 4CH Parallel
ABCD
Quadruples Current
8Ω 500 W 400 W 1400 W 1150 W 1600 W 1150 W 4Ω 1000 W 800 W 3000 W 2500 W 3000 W 2300 W 2Ω 1700 W 1600 W 5000 W 2500 W 5300 W 4200 W
For complete specifications of power output distribution (single, bridged, parallel channels and all combinations), please refer to the product’s User Manual.
NR* = Not Recommended due to excessive current draw
BOLD = Optimal configuration for the load and channel countControls, Indicators and Connections
PLD4.2 PLD4.3 PLD4.5 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 Controls and indicators (rear) AC Power Disconnect
Input connectors Female XLR Output connectors NL4 Weights and Dimensions
PLD4.2 PLD4.3 PLD4.5 Product Dimensions (H×W×D) 89 × 482 × 305 mm
3.5 × 19 × 12 in89 × 482 × 406 mm
3.5 × 19 × 16 in89 × 482 × 406 mm
3.5 × 19 × 16 inCarton Dimensions (H×W×D) 610 × 460 × 178 mm
24 × 18 × 7 in610 × 530 × 178 mm
4 × 20.9 × 7 in610 × 530 × 178 mm
24 × 20.9 × 7 inNet Weight 8.4 kg / 18.5 lb 9.5 kg / 21 lb 10 kg / 22 lb Shipping Weight 10 kg / 22 lb 11.4 kg / 25 lb 11.8 kg / 26 lb Agency approvals UL, CE, RoHS/WEEE compliant, FCC Class A (conducted and radiated emissions) Carton contents Locking IEC cable, Quick Start Guide, USB cable