Audison APBMW K4M BMW 7 series F01 F02 2008 - 2015 Front Component Speakers Apple CarPlay The adjustable bass-boost control (0

The adjustable bass-boost control (0 ÷ 6 dB) at 45 Hz allows the user to emphasize the response in the lower side of the spectrum

Audi S1 8X

a GFB valve CANNOT be forced open by high boost

This is a full induction filter kit and comes with all the parts and filter needed for the vehicle below

Audison APBMW K4M BMW 7 series F01 F02 2008 - 2015 Front Component Speakers Apple CarPlay The adjustable bass-boost control (0Audison APBMW K4E BMW 1 Series E81 E82 E87 E88 07 13 Front Component Speakers Like your stereo to play wide and high? Like to be able to hear every note uttered by the musicians on your collection? Want to be moved by lows and wowed by high's? Then this BMW Mini speaker upgrade kit from Audison could be just the thing. Designed specifically to maximise the sound within the whole vehicle interior, no more mushy mids or distorted high's. This