Upgrading sound system

[Blingrhino]

My latest ct4 has no BOSE and I was happy with the last c4t with it.
Is it possible for a specialist to retrofit some type of upgrade?

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[Genau]

My latest ct4 has no BOSE and I was happy with the last c4t with it.
Is it possible for a specialist to retrofit some type of upgrade?

May I suggest continuing one of the existing threads on this topic? For example:

https://www.taycanforum.com/forum/threads/aftermarket-audio-upgrade.15630/​

https://www.taycanforum.com/forum/threads/upgrade-base-audio-system-experiences.14454/​