“What is the difference in sound quality using 3.5 mm-3.5 mm jack, 3.5mm-RCA jack or 3.5 mm-optical jack for a receiver, an integrated amp or a Marantz CD player with optic input?”
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Using an optical Cable keep everything digital. By using an RCA cable the signal is outputting analog and converted to digital. Sometimes I like to keep it all digital if the music is digital and analog if it is analog, if I can. Some people, me included, like Converting CD music which is digital to analog, by using RCA jacks. Some say that the music sounds better. It may sound better to you or you may not be able to tell the difference by doing it the way I mentioned. Enjoy your music!
Sorry, there was a problem. Please try again later.Always use the optical connection when possible. The 3.5mm jack is analog output from the Chromecast and the digital-to-analog converter in the Chromecast is likely inferior to your amp or receiver.
Sorry, there was a problem. Please try again later.I used RCAs with a 3.5mm splitter/ my BoomBox did not have a single 3.5mm input to the AUX. Works great.
Sorry, there was a problem. Please try again later.Let me just say I really don't notice a whole lot of difference, but I have people who do have better sense of sound who find the optical jack much better. I do 'imagine' highs and lows sounding better when I know an optical connection is being made, but I really can't tell if doing a blind test. I do notice the difference when using CD's, dvd's or blueray because I think the quality of the recording is better and more direct as opposed to being streamed by wifi. There is no difference in RCA and 3.5mm they are both analog. Thicker cable on both over a long distance might prevent potential interference. But Optical is a 'cleaner' signal and digital with more information.
Sorry, there was a problem. Please try again later.3.5 - 3.5: None 3.5 - RCA: None 3.5 - Optical None (No difference because the best output is going to be a poor as the lowest quality input, no matter the quality of the converter) As for the components used, you'd have to be more specific. There are amazing integrated amps and lousy sounding receivers - and vice-versa, right?
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