The beginning of PSI in studio
With the arrival of the Quatuor 3 and their clever ISP function (circuit protection), it's the beginning of PSI speakers for the professional audio domain.
With the arrival of the Quatuor 3 and their clever ISP function (circuit protection), it's the beginning of PSI speakers for the professional audio domain.
Alain Roux built his first workshop in Allaman, between Lausanne and Geneva.
