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About CaroHD

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So far CaroHD has created 4 blog entries.

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.

(more…)

Harmonic Design at the ISE 2025 in Barcelona

Integrated Systems Europe, the world’s largest exhibition for audiovisual media and systems integration, takes place in Barcelona from 4 to 7 February. Harmonic Design will be exhibiting in Hall 7 Stand 7N300 and at the ISE Outdoor Sound Experience.

Between Halls 3 and 4 we present our proven HybridLineSource system hd HLS20-TourSys1 with the products hd HLS20P, hd Infra221 and our system amplifier hd QT12. (more…)