For more than half a century, Ciare designed and constructed loudspeakers and acoustic diffusion systems of extraordinary performance at competitive prices.


To consolidate the high quality that already achieved with typical of the Italian production culture. The company’s entire production cycle and organization, from research to design and even making of component and assembly machinery, is Ciare’s guarantee of quality, efficiency and reliability.

Construction quality and musical performance with no compromise are the prerogatives which have been distinguishing Sinfoni – Quartorigo brand since it was born.


Until now, we are proud and aware repository of a philosophy of thinking perceived and appreciated by a narrow niche of people.

In order to enjoy a good sound system in the car, definitely, we need a car environment to be the least noise reproduction. Having said that, a car is a moving object and it create more noise while traveling.


AutoFun sound proofing material has a solution to that problem. AutoFun is the leading automotive insulation material provider in the world. The made in Russia sound proofing material cut all vibration in order to give you a good driving experience and enjoy the music to your ear.

Making speakers and amplifiers since 1988. With vast car audio engineering background, it has established a wide range of products that cater for all walk of life and capable of offering every individual needs with different taste of music.


Audio System GmbH has committed itself to continue to create the highest level of sound quality in the car audio industry.

The brand, Rainbow was established in 1989 by Paul Jelko, the founder and eletro-acoustics engineer.


Rainbow lines of speaker and amplifier promise the highest level of quality and precision in sound quality. It is ongoing pursuit of audio perfection.


Revolutionary and innovation developments have always served as a driving motivation for our German engineers. These factors result in making Rainbow speakers and amplifiers the most sought-after audio products in the car audio industry.