References & Testimonials

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“For my 964 Cabrio I had wanted a much better sound and also got. Michael has helped me with queries very much, because I have installed everything myself. Who screws a little on his vehicle gets that with this support also good. And the result speaks for itself!”

Porsche 964 Cabrio

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“Competence in perfection! There's nothing better!Who wants to fulfill a childhood dream and is looking for the perfect sound is in the right hands with Michael! Was absolutely thrilled and wish everyone the experience to get to know him.”

Porsche 911G 3.2l

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“Top advice, fast processing and great result!
Super competent advice and neat execution.”

Porsche 993

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“Fast and uncomplicated communication, really very committed! Good solution and nice service even after the deal!
Gladly again :)”

Porsche 911 G Convertible

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“Finally a provider who installs modern hi-fi sound into old 911s with expertise - while maintaining originality.”

Porsche 964

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“Service from Sonority Sound Systems I can recommend without reservation and would use them again anytime!”

Nissan 300ZX Z32

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“For me, a brilliant package of price and performance. If you like to drive your classic and do not want to miss good music and sound, as well as safety (hands-free phone), this is the best package for you. In the future, all my classics will get a Sonority Sound System. Even my modern leasing company car with upgraded HiFi from the plant can not keep up with it. Quality is when the customer gets more than he expected. This is definitely true for me. THANK YOU!”

Porsche 928

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“I was super satisfied with the built-in components in my Porsche 964”

Porsche 964