inputs.text: exellent upgrade - recently bought 2012 scion xb base pioneer sound systehem imho highs terrible annoyingly edgy overall sound flat sounding musician built couple recording studios listen almost music driving car 60s70s classic rock old rb oldies improvehement made always boston acoustics fan warm sound not dissapoint highs clear bell couple acoustic guitar passages soooo realistic real suprise bass figuring eventually add sub saw 55hz no bass smokin arrived couple days totally satisfied upgrade