• News

    • K2 V175 – more efficient than ever!

      As of now the new Konfigurator2 V175 software for Windows (32 & 64 bit) and Mac (64 bit) is available in the download area. With K2 V175 the new and powerful Show Mode is introduced. More than 50 improvements and features have also been added to greatly simplify and speed up your amplifier and system […]

    • K2 V171 Hotfix1 software release

      The new Konfigurator2 V171 Hotfix1 software for Windows (32-bit & 64-bit) and Mac (64-bit) is now available in the download area. Several issues have been optimised in K2 V171, and we recommend to install and use this release as of now. We would like to ask you to deinstall the previous versions. Furthermore, the K2 […]

  • Events

    • Hoellstern at the Prolight + Sound 2018 in Frankfurt

      The international trade fair for event technology is at the ready: once more the Prolight + Sound 2018 in Frankfurt is giving a comprehensive overview of the technologies and services for entertainment, integrated systems and creation. As a long standing exhibitor Hoellstern will also be present on the site again. Between April 11th and 13th, […]

    • Experience Hoellstern at the CUE 2018 in Rotterdam

      From January 15 – 17, 2018 the CUE 2018 will take place in Rotterdam. The trade show is aimed at professional visitors from the event, installation and entertainment technology branch. About 125 exhibitors will be present at the CUE fair in Rotterdam. The Auvilight company, our distributor for the Netherlands, will be present on the site […]

Our products

Convincing quality

Hoellstern amplifiers stand out by their sound, flexibility and reliability.

  • Audiophile qualities

    Since 2004 Hoellstern amplifiers have delivered convincing sound. Today this is more true than ever. The naturalness and precision with which the amps drive speakers in a sovereign way down to below 2 ohms is unique.

    Flexibility with know-how

    The Konfigurator2 software including the K2 loudspeaker library is ultra flexible and reflects the system idea of dozens of speaker manufacturers. A unique solution for technicians who don’t wear blinders.

  • High power reserves

    All Hoellstern amplifiers offer huge power reserves and an exceptionally high efficiency of up to 85%. Like all other modules, the power supplies and output blocks have been optimised to perfection.

    Easy operation

    The more than 530 loudspeaker blocks can be simply pulled via drag & drop onto the output channels of the 300 memory locations. It takes less than 60 seconds to create a new DSP memory location incl. routing from scratch.

  • High-quality workmanship

    Hoellstern produces in Germany. All our components are of the best quality and comply with automotive and military standards. What’s unique in the professional sound industry, is our standard.

    Competent service

    With over 20 years of experience in the sound reinforcement market and 10 years of loudspeaker library support at more than 35,000 measurements, our friendly support team is very well positioned.

  • Learn more about Hoellstern amplifiers

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