inputs.text: great buy - bought 2006 nissan 350z 54k original miles score still factory stereo speakers honestly awful went installing new system replaced factory speakers jl audio c2650 components front c2x650 coaxials rear alpine 148bt stereo replacing factory deck wasnt enough started looking 4 channel amplifiers didnt really want go hassle rewiring speakers 45w rms x 4 amplifier seemed like would suffice however somewhat skeptical small size thought might overheating problems decided give shot anyway literally two connections made immediate difference not spl also sq turn stereo 20 maximum 35 makes ears hurt still no distortion isnt clipping even guys custom sounds impressed good things come small packages im even considering getting one girlfriends car