Gold Soundz Mastering is an audio-mastering facility, situated in Nijmegen (The Netherlands). GSM differs from most other mastering studios due to it’s unique approach towards audio & music, tools, unique techniques and work.

GSM uses only high-end analogue and digital mastering equipment, whereas the emphasis lays on the use of analogue/tube gear, like API, A Design, Chandler Limited, Telefunken, Crane Song, Emperical Labs, SSL and Acustica Audio.