Moinsen Leutz! As a newcomer in the Audi business I have a question… Have a B4 Limo and wanted to change something on the sound system, or first a clever installation… but zero idea where such things like bass and so on should go, Koffferraum remains without question there would never penetrate something forward… Do you have something changed about yours or maybe an idea where you can accommodate such things well??? e Posts! PS.: Of course I have already replaced the speakers under the windshield… But since Buuuuuuuuuuuuumt that yes net Gruss FATTony