Carlsworth Posted September 18, 2020 Share Posted September 18, 2020 Followed the guides and fitted a pioneer sub in shelf of 2009 a5 coupe with b&o system and dynamat all over It sounded poo - changed wires, 4 + 8 ohm setup etc etc Still sounded poo- So, bought a sub box fitted that and it sounds much better, but now what's happening is Whenever bass kicks in, the sound level drops a lot, maybe 40 % Seems to sound great when car is off, but when driving it's quiet and bass is real quiet Maybe I need to fit stand alone amp, but getting to a audio specialist is hard work - nearest one here is 45 mins away and need car for work Any ideas?? Thanks muchly 😘 Quote Link to comment Share on other sites More sharing options...
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