new in box plug and play amp upgrade for 04-08 Acura tsx.
https://mobilemaxcaraudio.com/product/2004-05-06-07-2008-acura-tsx-pnp-amplifier-upgrade/?gad_source=1&gclid=Cj0KCQiAv628BhC2ARIsAIJIiK_c9ZpohErMBvN2Pt_GNA3DkBwifpSXWNoSXBFms-yZkBLf_s8ZaJcaAle5EALw_wcB