©TREMOR Audio. All Rights Reserved. Repairs and Maintenance Importers and Distributors for various car audio fitment accessories, Europe, USA and East We are able to assess your car audio system for line and engine noise problems as well as various other audio upgrade requirements. Minor car audio equipment repairs are done on site, more complex jobs we have excellent outsourced amplifier, subwoofer and speaker repair people. Turn around time is 4-5 working days on all repairs if parts are available in South Africa.