QSC PL 4.0

The PowerLight Series

SPECIFICATIONS PL 4.0 

STEREO MODE (both channels driven)

• 8 ohms FTC 0.1% THD 20 Hz-20 kHz: 900 W
• 8 ohms EIA 1.0% THD 1 kHz : 1000 W
• 4 ohms FTC 0.1% THD 20 Hz-20 kHz: 1400 W 
• 4 ohms EIA 1.0% THD 1 kHz: 1600 W
  2 ohms EIA 1.0% THD 1 kHz: 2000 W

BRIDGED MONO MODE 

• 8 ohms FTC 0.1% THD 20 Hz-20 kHz: 2800 W
• 4 ohms EIA 1.0% THD 1 kHz: 4000 W
• Distortion (SMPTE-IM): less than 0.05%
• THD (Typical): 4 ohms to 8 ohms:
  20 Hz-20 kHz,10 dB below rated power.
  1.0 kHz and below, full rated power: 0.01%
• Damping Factor (1 kHz and below): greater than 500 
• Signal to Noise (20 Hz-20 kHz): 105 dB 
• Input Sensitivity @ 8 ohms (in Vrms): 1.06
• Voltage Gain: 80x (38 dB) 
• Output Circuitry: H (3-Step) 
• Cooling (rear to front airflow): Single Fan 
• Height (1 RU=1.75" (4.45cm)): 3 RU 
• Weight (net) 30 lbs, (13.6 kg)
• 120v Current Consumption
  (1/8 PowerPink Noise @ 4 ohms)
  Multiply current by 0.5 for 230V units: 15.2A

ALL MODELS 

• Connectors (each channel): Input: Neutrik "Combo" XLR + 1/4" TRS input and Barrier strip (eurostyle detachable headers on PL 6.0II only) Output: "Touch-proof" binding posts 
• Frequency Response:
  5 Hz-60 kHz, +0, -3 dB (2.0HV, 3.4, and 4.0 only)
  8 Hz-100 kHz, +0, -3 dB (all other models)
• Input Impedance: 10 K ohms unbalanced, 20 K ohms balanced
• Amplifier Protection: Full short circuit, open circuit, thermal, ultrasonic and RF protection.
  Stable into reactive or mismatched loads.
• Controls Front: AC switch, Ch 1 & Ch 2 gain knobs, Ch. 1 and Ch.2 clip limiter switches
  Rear: Parallel/Stereo/Bridge Switch, Remote AC Control terminal strip
• Load Protection: On/off muting, DC-fault power supply shutdown
• Indicators:
  PROT: Red LED
  STANDBY: Yellow LED
  PWR-ON: Green LED
  (each channel)
  CLIP: Red LED
  LEVEL-10 dB: Yellow LED
  LEVEL-20: Yellow LED
  SIGNAL: Green LED
• Power Requirements 120, 230 VAC, 50-60 Hz