The most common question we get is how do we run aftermarket amplifiers while keeping the factory radio. This video will show you how to do just that. If you are looking for the harness used in this video you can find it at. If you don’t have navigation, adding aftermarket amplifiers is a lot easier. Check out our website for the amplifier bypass.
https://mobilemaxcaraudio.com/product/2007-2008-2009-2010-2011-2012-2013-acura-tsx-amplifier-integration-harness/
Check out our website for the amplifier bypass. https://mobilemaxcaraudio.com/product/2007-2008-2009-2010-2011-2012-2013-acura-tsx-amplifier-integration-harness/
It wouldn't hurt to set the aftermarket crossover to high pass at around 80hz if you are using a subwoofer. You don't want to much bass comming through the mids.
What if you're using component speakers with an external crossover? Do you need tweeter signal?