| Discontinued Amplifier Models |
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PowerLight Series (discontinued)
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A range of professional audio amplifiers designed for touring pros, the reliability, reduced power requirements and superior cooling makes the PowerLight® Series the best choice for high-powered live sound applications. |
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PowerLight2 Series (discontinued)
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The PowerLight2 Series packs high power output into an smaller, lighter chassis. Designed for touring pros, the PowerLight2 Series contains advanced features and PowerLight® technology for tighter bass and crystal-clear highs. |
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PLX Series (discontinued)

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The PLX Series delivers chest-pounding bass and crystal-clear highs in a lightweight package that features a hum-free noise floor and ultra-low distortion. PowerLight® Technology reduces AC current draw and heat for reliable service under the most demanding conditions. The PLX2 Series replaces the legacy PLX models. |
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MX Series (discontinued)
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QSC's award-winning MX/MXa Series amplifiers combine ultra-clean audio performance and unsurpassed reliability while delivering maximum power under the most demanding conditions. The MXas achieve superior performance with high-efficiency stepped linear output circuits,ensuring solid two-ohm operation, night after night. |
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USA Series (discontinued)
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USA Series amplifiers deliver legendary QSC reliability and audio performance at an economical price. Three models offer a range of power from 250 to 1000 watts per channel at 2 ohms. |
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Legacy PowerLight (discontinued)
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PowerLight amplifiers feature QSC's exclusive PowerLight technology for extraordinary audio performance, reliability and reduced weight. With a range of powers all the way up to 4,500 watts per channel, and two models designed for bi-amp use, you can choose the right power for your special application. |
Discontinued Loudspeaker Systems |
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ISIS 215PCM Powered Subwoofer (discontinued)
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The 215PCM subwoofer features dual 15" drivers and provides power amplification not only for itself, but also two channels for driving full-range or bi-amp "top box" speakers as well. |
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ModularDesign
Powered Series (discontinued)
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QSC's self-powered additions to the MD (ModularDesign™) Series. The same robust and versatile enclosures, now adding the PM1000 & PM1400 power modules, the most compact, lightweight and efficient loudspeaker power modules currently available. |
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ModularDesign Powered Subwoofers (discontinued)
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The MD Powered Subwoofers feature dual 15" or 18" front-loaded drivers, and integrated Class-D PM1400 power modules, which supply 1400 watts of continuous power with state-of-the-art signal processing. |
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ISIS Multipurpose Series (discontinued)
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The ISIS Multipurpose speakers are compact, portable, multi-purpose loudspeakers that extend QSC's commitment to the corporate industrial and special event live sound reinforcement markets. |
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| Discontinued Network Audio Systems |
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RAVE Systems
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RAVE™ (Routing Audio Via Ethernet) is a revolutionary signal transport system that allows you to route multiple channels of audio over standard Ethernet hardware and cabling. A single RAVE network can now replace hundreds of audio cables, dramatically reducing installation time, effort and cabling costs while improving routing flexibility and audio performance. |
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