The AMP on the right side door was later spec than the left one so someone already replaced the entire speaker box or just the AMP in the past. There was trace of someone worked in the area in the past so not surprised with the presence of uprated AMP. Very likely to be done through Honda warranty as some of the original AMP ...
Before start removing the AMPs, carried out quick check and confirmed that all of the AMPs/speakers were still operating. Started to remove the speaker boxes at the left door and at the passenger foot well area. At the left door, one of the triangle interior trim at the top forward section was already damaged and actually glued into the fixing ...