Eric Cheung Posted March 18, 2007 Share Posted March 18, 2007 I am using a Sony 40Wx4 head unit. I heard an amplifier will greatly improve the sound quality even if the output power is the same as the head unit. That is, an amplifier of 40Wx4 will give much better sound quality than a head unit off 40Wx4. Is this true? Thanks Quote Link to comment Share on other sites More sharing options...
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