Eclipse CD5030 vs Stock Premium (Not Bespoke)
 

So I've got the premium audio, it looks the same as the bespoke but it's not. I'm wondering if I can expect a noticeable improvement in audio quality by installing the CD5030? I like the big screen and phone integration on the stock unit, but I like quality sound even more. Thoughts?

If you install better amp/speakers with it you will.

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So you don't think that there will be a noticeable improvement with just the head unit swap?

you will see an improvement but probably nothing to write home about... sometimes the stock HU goes better with the pre-existing components because they were designed to work together... You might overdrive the speakers some but it will work.