Listening at the Göteborg HIFI and Musikfest in the Meta Wave room to hARt Tune Two / Tune Three Pre-Power amplifier combo through the OePhi reference speakers, with IDEON front end stack, on an ASSOS WoodWorking rack and OePhi reference cables.

For the second year in a row, hARt Lab will participate in Black Box Audio Video Show 2023. In room 714 / 7th floor, visitors can see, listen and interact with our products, our flagships Tune Four and Tune Five included. Visiting audiophiles will enjoy listening to a unique High End audio system with the Estelon YB speakers.