inputs.text: came first chicken egg - preparation purchase upgrades car stereo systehem read product reviews care admit folks posted reviews tend attribute improved performance car stereo addition one particular component systehem radioreceiver amplifier speakers guess add one components existing systehem got baseline assess improvehement lack improvehement attributed particular component dropped three 07 rav4 jvc kwhdr720 receiver sc60 boston acoustics component speakers sc65 two way speakers alpine mrpf300 amplifier stir get phenomenal sound affordable price short coming jvc kwhdr720 receiver navigating menu setup receiver overly complicated nevertheless five stars around review claimed alpine mrpf300 amplifier overheats mine stays cucumber cool