QSC Power Amplifier PLD Series


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 dB
Noise:
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 Hz

Power Specifications

PLD4.2 PLD4.3 PLD4.5
Peak Continuous Peak Continuous Peak Continuous
4 Independent Channels
A, B, C, D
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
1200 W 800 W 2400 W 1250 W 4000 W 2250 W
1500 W 600 W NR* NR* NR* NR*
NR* NR* NR* NR* NR* NR*
2 Channel Parallel
AB or CD
Doubles Current
500 W 400 W 1300 W 1150 W 1250 W 1150 W
950 W 800 W 2000 W 1250 W 2400 W 2250 W
1200 W 800 W 2500 W 1250 W 4000 W 2100 W
1 Channel 3CH Parallel
ABC
Triples Current
500 W 400 W 1400 W 1150 W 1400 W 1150 W
950 W 800 W 2400 W 2000 W 2500 W 2400 W
1800 W 1200 W 3500 W 2500 W 4500 W 4100 W
1 Channel Bridged/Parallel
AB+CD
Doubles Current and Voltage
1600 W 1500 W 3500 W 2500 W 4500 W 4200 W
2500 W 1600 W 5000 W 2500 W 7500 W 4200 W
NR* NR* NR* NR* NR* NR*
1 Channel 4CH Parallel
ABCD
Quadruples Current
500 W 400 W 1400 W 1150 W 1600 W 1150 W
1000 W 800 W 3000 W 2500 W 3000 W 2300 W
1700 W 1600 W 5000 W 2500 W 5300 W 4200 W

NR* = Not Recommended due to excessive current draw
BOLD = Optimal configuration fo rthe load and channel count

Controls, 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
Dimensions (HWD) inches 3.5 x 19 x 12 3.5 x 19 x 16 3.5 x 19 x 16
Dimensions (HWD) mm 89 × 482 × 305 89 × 482 × 406 89 × 482 × 406
Weight, Net / Shipping 18.5 lb (8.4 kg) / 22 lb (10.0 kg) 21.0 lb (9.5 kg) / 25 lb (11.3 kg) 22.0 lb (10.0 kg) / 26 lb (11.8 kg)
Agency approvals UL, CE, RoHS/WEEE compliant, FCC Class A (conducted and radiated emissions)
Carton contents Locking IEC cable, Quick Start Guide, USB cable

All specifications are subject to change without notice.