Features
• PowerLight switching technology—for improved audio performance
• High efficiency, Class H linear output circuit lowers AC current consumption
and cooling requirements by 40% or more (on selected models)
• DataPort for remote computer control
• User defeatable clip limiter reduces distortion, protects speakers
• Advanced thermal management system for superior cooling
• Detented gain controls with 2 dB steps for easy resetting
• Comprehensive LED status arrays
• Variable speed fan for quiet operation
• Remote AC power control
• DC, subsonic audio, and thermal overload protection
• Neutrik “Combo” (XLR & 1/4") and barrier balanced input connectors
• 3 year warranty plus optional 3 year extended service contract
With an unequaled reputation for sound quality
and reliability, the PowerLight
®
Series is a range
of advanced-technology professional audio amplifiers
designed for touring professionals. PowerLights
feature QSC’s exclusive PowerLight technology
for extraordinary audio performance, reliability
and reduced weight. Four models offer a range of power
from 725 to 3,500 watts per channel, allowing you to
choose the right power for your special application.
With PowerLight technology, PowerLight amplifiers take
your sound to a whole new level. Not only does it
give you tighter bass and clean transparent highs,
PowerLight also cuts waste heat and boosts reliability.
PowerLight is a revolutionary switching power supply
technology that provides ample current to the audio
power circuitry by charging the supply rails 230,000
times a second though an ultra-low impedance circuit.
So unlike amplifiers that use conventional supplies, the
audio signal is never starved prematurely and remains
crisp and clean.
PowerLight Series amplifiers also boast a set of useful
features. Individually selectable clip limiters lower
distortion and protect speakers, and a standby mode
allows remote AC control.
PowerLight Power Amplifiers
Watts per channel
Model 8Ω 4Ω 2Ω*
PL3.4 725 1150 1700
PL3.8
x
Ch 1 900 1400 2400
PL3.8
x
Ch 2 450 800 1400
PL4.0 900 1400 2000
PL6.0II 1150 2050 3500
20 Hz – 20 kHz, 0.1% THD *1 kHz, 1% THD
PowerLight Series
Professional Power Amplifiers
PL3.4 | PL3.8
x
| PL4.0 | PL6.0II
PowerLight is a registered trademark of QSC Audio Products, Inc.
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