What are the different parts in a car stereo?

What are the different parts to a car stereo and what does each do?What are the different parts in a car stereo?
head unit, responsible for receiving the sound input and sending it to the ; speakers, responsible for recreating faithfully the sound sent from the head unit. If you are referring to what is a car stereo then try this. 1 RF AMP, responsible for amplifying the incoming signal;2 2nd rf amp, same as the first rf amp. 3 if oscillator, responsible for creating the intermediate frequency [if] 4 if amp [if required];5 tuner oscillator, alters the frequency at which the incoming signal is processed;6 padder capacitor; keeps the tuning capacitance with in 50 to 150 pf;7 preamplifier; designed to amplify the signal sufficiently to feed it into the 8 Af amplifier, the final stage that buffers and amplifies the signal so that it can be reproduced audibly by the car speakers. the final Af stage includes the volume control and any bass and treble controls. this is a very simplified version of a car radio.