Core 500i, Core 250i Represent the Most Powerful and Accessible Audio Networking Solution Ever Developed

Front view of the ISA300Ti power amplifier, a two-channel value model with both low-Z and transformer-coupled 25V, 70V, and 100V isolated outputs. For contractors, installers, integrators, and cinema.

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Representative rear view image of 2RU amplifier from the value CMXa series of contractor/install models.

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Front view stack image of three models from the value CMXa series of contractor/install amplifiers.

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Declaration of Conformity (DoC) for ISA Series amplifiers

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CMX Series Specifications

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Representative front view image of 3RU amplifier from the value CMXa series of contractor/install models.

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An illustrated guide to ordering the correct power cord for QSC Cinema electronic products.

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QSC's founder and Chief Technical Officer, Pat Quilter, wrote this article for Sound & Video Contractor magazine that extensively describes the operating principles behind Class AB, G, and H power amplifiers

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Originally written for LIVE SOUND! International magazine, QSC Technical Communications Developer Bob Lee’s article "Solving the Power Puzzle" is an insightful and informative look at the frequently misunderstood aspects of power amplification.

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