For my new studio in Sofia city I used DECIBEL acoustic diffusers and I'm very pleased with both acoustic result and product design! I also used an acoustic pyramid panels! Fast order and kind service!

Thank you!

Aristos Constantinou

Avocal Productions

In 2015 Decibel Ltd. carried out the design, manufacture, supply and installation of sound-absorbing and soundproofing demountable equipment on the source of noise - welding machines in the production facilities of AK Magnet AD, imposed by the need to improve the working environment parameters in the Welding section.

The facilities and the installation works were realized in the required quality and in the required time.

For us Decibel Ltd. is a preferred partner in cases that require precise and adequate technical solutions in the field of soundproofing and noise isolation under specific production conditions and special technological processes.

H. Atsinov, Deputy Executive Director

AQ Magnit AD

During the 2015 Decibel Ltd. carried out acoustic treatment of three of our conference halls. Before the implementation of the acoustic treatment in the premises the following results where measured regarding the reverberation time - 0,8/0,9/0,8 sec. After the installation of the acoustic panels the measured revereberation time has the following values 0,42/0,5/0,45 sec. The installation of the sound panels consistently improved the comfort in the halls. After the installation of the panels our halls meet the corresponding requirements regarding the sound parameters. Thank you for the promptness and quality of the service provided.

Ivan Rozenov, manager Audio-video department

Interoute Bulgaria

With engineer Tzvetan Nedkov we work together since January 2014 over acoustic project for multifunctional hall "Levski" in Sofia. Until now company Decibel has proved its professionalism and high quality of implementation of projects. We recommend eng. Tzvetan Nedkov from Decibel Ltd. as serious, punctual and reliable partner, who owns qualities to deal successfully with all the challenges regarding specific assignment and resolving of acoustic issues with guaranteed quality and speed.

Hristo Kirov, owner

"City mark"Ltd.

With engineer Tzvetan Nedkov we worked together between April and September 2013 and we do not have remarks regarding his job. We recommend eng. Nedkov as serious, precise and reliable partner, possessing real possibilities to implement concrete assignments of acoustic problems.

eng. Valeri Dojchinov, manager

"K and K Engineering" Ltd