Harmonic Design at Prolight+Sound 2025

The hd QT series finally gets the long awaited update! Networking, Dante, AES and a new user interface. It sets the stage for future innovation – Made in Germany.

As a four-channel DSP system amplifier with switched-mode power supplies specially optimized for long-term maximum performance, these deliver high energy (= power × holding time) for the best LF reproduction and thus ensure an even more authentic sound image.

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