Expertise. Independence. Integrity.
With over 30 years of experience at the forefront of the professional audio industry, Thomas Züllich founded TZ Audio to provide a specialised hub for high-precision measurement, system alignment training, and professional audio tools.
We don’t just sell products, we provide the knowledge and the reliability required to make sound matter.
Our Mission: Signal Over Noise
In a rapidly changing industry, TZ Audio stands as an independent authority. Our philosophy is simple. We prioritise technical excellence and ethical business practices over corporate mandates.
- Global Education: We are the home of the “Zero to Hero” seminars. From our base in Norway to the stages of Scandinavia and the venues of Iceland, we empower engineers across Europe with the skills to master Smaart and professional SPL logging.
- Curated Excellence: We only distribute and teach what we trust. Our continued support for Audient, iSEMcon, MELLab, SLS audio, 10EaZY and our partnership with leading software firms like Rational Acoustics reflect our commitment to tools that offer the best performance for the working engineer.
- Principled Professionalism: We believe that professional audio exists within a human context. We stand by our ethical convictions, ensuring that our business contributes to a fair and professional global community. Our reputation is built on transparency, humanitarian support, and a refusal to compromise on our values.
The Man Behind the Measurement
Thomas Züllich is a veteran sound engineer and certified instructor whose work spans decades and borders. Known for a teaching style that is as rigorous as it is practical, Thomas has become the primary point of contact for professionals in Scandinavia and beyond who require more than just “good” sound—they require documented, safe, and perfectly aligned audio environments.
Whether you are looking for the latest in SPL compliance or seeking to master the complexities of system measurement, TZ Audio provides the signal you need to succeed.
About TZ Audio – TZ Audio – Expertise. Independence. Integrity. – TZ Audio stands as an independent authority. We prioritise technical excellence and ethical business practices over corporate mandates.