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QSC Amplifiers PL380



PowerLight 3 Series is comprised of our “Ultimate Analog” power house amplifier, designed for the most demanding concert and live-sound reinforcement applications. The PL380 features the ground breaking PowerLight™ power supply technology, dramatically reducing weight, eliminating AC mains hum and improving audio quality. Comprehensive remote control and monitoring can also be achieved via the Q-SYS networked platform.

  • Class D topology provides efficient performance at extreme power loads
  • Three-position Input Sensitivity switch ensures gain-matching with existing amp racks and power systems
  • User defeatable clip limiters and selectable low-frequency filters (30 Hz, 50 Hz, Bypass)
  • DataPort connection supports external amplifier control and monitoring via Q-SYS
  • XLR and Block Input connectors and Binding post or Neutrik speakON® Output connectors
  • Comprehensive internal protection protects amplifiers and loudspeakers against over-current, over-temperature and clipping – without compromising program signal
  • PowerLight switch-mode power supply for highest efficiency and improved audio performance
  • Flow-through air path and solid aluminum heat sinks for maximum cooling
  • DataPort supports remote network control and monitoring via Q-SYS
  • Detented gain controls with 1-dB steps for precise calibration
  • Removable knobs with lock-out security plate to prevent unauthorized tampering
  • User defeatable clip limiters and selectable low-frequency filter per channel (3 Hz, 30 Hz, or 50 Hz)
  • Three selectable gain structures (26 dB, 32 dB, or 1.2 V)
  • Front and rear panel LEDs indicate status of switch settings at a glance
  • Parallel XLR/M and XLR/F connectors for simple loop-through connectivity
  • Neutrik Speakon® and “Touch-Proof” binding post outputs
  • Neutrik Powercon® power cable remains secure on the road
  • 3 year warranty, plus optional 3 year extended service contract
  • Linear Class H output circuit offer double the typical efficiency of Class B, reducing AC current consumption and cooling requirements

Additional information


8Ω EIA 1 kHz 1% THD 1500 W 4Ω EIA 1 kHz 1% THD 2500 W 2Ω EIA 1 kHz 1% THD 4000 W


8Ω EIA 1 kHz 1% THD 5000 W 4Ω EIA 1 kHz 1% THD 8000 W*

Typical Distortion (20 Hz–3 kHz, 3 dB below clip, or 20 Hz–5 kHz, 10 dB below clip, or 20 Hz–20 kHz, 20 dB below clip)

8 ohms 0.01-0.03% 4 ohms 0.03-0.06% 2 ohms 0.1%

Maximum Distortion

(20 Hz–20 kHz, 1 dB below rated power) 4 to 8 ohms 0.2%

Frequency Response (8 ohms)

20 Hz–20 kHz, ±0.2 dB

Noise (20 Hz–20 kHz, 32 dB Gain)

-104 dB

Dynamic Headroom (4 ohms)

2 dB

Damping Factor (8 ohms)


Output Circuitry

Class D

Input Sensitivity

26 dB Setting 5.27V 32 dB Setting 2.67V

Maximum Gain (1.2V setting)

39.1 dB

Maximum Input Level

1.2V setting 10 V (+22 dBu) 32 dBu setting 22 V (+29 dBu) 26 dBu setting 25 V (+30 dBu)

AC Power Requirements **

120V 50/60 Hz 18 A 230V 50 Hz 11 A


120V 50/60 Hz NEMA L5-30P 230V 50 Hz CEE 7/7 16A

Chassis Power Connector All Voltages

32A PowerCon

Input Impedance

> 10 kΩ balanced, or unbalanced


Variable-speed fan, rear-to-front air flow

Connectors (each channel)

Input: XLR Male, XLR Female and 3-pin detachable terminal blocks (1 each per channel) Output: Neutrik Speakon® (ch 1 wired to both channels) and 5-way binding posts DataPort: HD-15, input signal in parallel with XLR input connectors

Front Controls

AC power switch Gain controls, 21 detents, 1 dB steps (each channel)

Front Indicators (LED color)

Power (Blue) Bridged (Yellow) Parallel (Orange) Clip/Prot (Red × 2) Level -10 (Orange × 2) Level -20 (Green × 2) Signal -35 (Green × 2)

Rear Controls (with LED indicators)

Input Mode: Bridge (Yellow), Stereo (Green), or Parallel (Orange) Gain / Sensitivity: 26 dB (Orange), 32 dB (Green), or 1.2V (Yellow) High Pass (each channel): 3 Hz (Off), 30 Hz (Yellow), or 50 Hz (Orange) Clip Limiter (each channel): Off, on (Yellow)

Amplifier and Load Protection

Short circuit, open circuit, thermal, RF protection. On/off muting, DC fault shutdown, active inrush limiting

Product Dimensions (H×W×D)

89 (2 RU) × 483 × 397 mm 3.5 (2 RU) × 19 × 15.63 in

Carton Dimensions (H×W×D)

610 × 560 × 178 mm 24 × 22 × 7 in

Net Weight

11 kg / 24 lb

Shipping Weight

15.0 kg / 33 lb

Agency Approvals

UL, CE, RoHS/WEEE compliant, FCC Class B (conducted and radiated emissions)


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