inputs.text: perfect small cars - installed sub nervous could not find reviews particular item vender decided test love scion tc trunk space limited box small im not sure put 300watt amp sure hear subs aroun 30 output would start rattle trunk set higher sound quality tight accurate right settings looking size price bumps pretty hard like said like doors trunk stay quiet thing need test reliability really like sub hope lasts along long time amp kit amp kit bundles sub vender sells sub not rockford wasnt anything wrong kit wasnt special eitheri think terminals questionable build quality seems work part wouldnt buy kit separately seems work fine sub