Used QSC Powerlight / Powerlight 3 Series
Used QSC Powerlight / Powerlight 3 Series amplifiers are advanced-technology professional power amplifiers built for touring professionals and demanding concert and live-sound reinforcement applications, offering a range of power outputs from 725 to 3,500 watts per channel across multiple models. Second-hand units from the Powerlight and Powerlight 3 families deliver QSC's proprietary switching technology alongside features such as DataPort connectivity and comprehensive thermal management. Browse the current used QSC Powerlight listings available below to find the model that suits your application.
Used – Excellent Dealer
Used – Good Dealer
2 listed right now — list yours to the buyers searching this model.
Get an email when a new QSC Powerlight / Powerlight 3 Series is listed.
QSC Powerlight / Powerlight 3 Series specifications
| Brand | QSC |
| Segment | Audio |
| Typical used price | $4,990 (range $4,979–$5,001) |
About the QSC Powerlight / Powerlight 3 Series
The QSC Powerlight and Powerlight 3 Series are professional power amplifiers designed for touring and live-sound reinforcement. The original PowerLight range spans four models, including the PL3.4, PL3.8x, PL4.0 and PL6.0II, covering 725 to 3,500 watts per channel via a Class H linear output circuit and PowerLight switching technology. The Powerlight 3 Series, comprising the PL325, PL340 and PL380, advances the platform with a flow-through air path, solid aluminium heat sinks and DataPort support for remote network control and monitoring via Q-SYS. Both series share features including detented gain controls, user-defeatable clip limiters, variable-speed fans and Neutrik Combo input connectors on selected models, making them a well-specified choice for professional audio applications.
QSC Powerlight / Powerlight 3 Series — buyer FAQs
What are the QSC Powerlight and Powerlight 3 Series amplifiers designed for?
The QSC Powerlight and Powerlight 3 Series are professional power amplifiers built for touring professionals and demanding concert and live-sound reinforcement applications. Both series use QSC's PowerLight switch-mode power supply technology to improve audio performance and efficiency. The Powerlight 3 Series specifically targets the most demanding live-sound scenarios, adding flow-through air path cooling and solid aluminium heat sinks over the original range.
How much power do the QSC Powerlight Series models deliver, and which models are available?
The original Powerlight range spans four models, the PL3.4, PL3.8x, PL4.0 and PL6.0II, covering 725 to 3,500 watts per channel. The Powerlight 3 Series adds the PL325, PL340 and PL380. Across both families, the spread of power ratings means buyers can match the amplifier to their specific application rather than over- or under-specifying for the venue or system.
What control and connectivity features do these amplifiers offer?
Both series include DataPort for remote control and monitoring, with the Powerlight 3 Series supporting network integration via Q-SYS. Detented gain controls allow repeatable calibration, with 2 dB steps on the original series and finer 1 dB steps on the Powerlight 3. User-defeatable clip limiters protect connected speakers, and the Powerlight 3 adds a selectable low-frequency filter per channel at 3 Hz, 30 Hz or 50 Hz.
Where does the QSC Powerlight range sit within QSC's product line?
QSC is an American audio, video and control manufacturer known across professional audio for power amplifiers, loudspeakers and the Q-SYS networked control platform. The Powerlight and Powerlight 3 Series sit within QSC's professional amplifier portfolio aimed at the touring and live-sound market, with the Powerlight 3 representing a later, higher-efficiency development of the platform that integrates directly with Q-SYS for networked monitoring.
What should I check when buying a used QSC Powerlight or Powerlight 3 Series amplifier?
Confirm which specific model you are buying, as power output varies significantly across the range. Check that the DataPort and gain controls function correctly, and verify the cooling system, fan and heat sinks are unobstructed and operating. On Powerlight 3 units, confirm the removable knobs and security lock-out plate are present. Used listings on this page carry a 21-day warranty covering major functional faults; the buying guide at 10kused.com/used-av-equipment-guide covers the full purchase process.
