I'm planning to gut and redo the stereo system in my car with a goal of improved sound quality and am really stuck understanding some of the suggestions of car audio shops in my area. Basically ...

So this is about car stereo equipment but not specific to it. I am wondering if a 20 watt rms x4 head unit will safely power 4 55 watt rms speakers. They have a sensitivity rating of 93 dB for 2.83 v ...