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Notes on speaker. I noticed the audio chip has the second output it looks like. It doesn't have to be mono. Take a close look at the last picture. confirmed hooked up second speaker to stereo output. Can I swap the chip for a TDA28221 ? Will it be louder? Will the board power a bigger chip? I have the TDA laying around and I remember it being pretty loud. Here is the spec sheet on the chip thats on the board now. http://www.xptek.cn/en/upfiles/2007122417184118619.pdfshould be a direct replacement but Idk. Anyone will this work?
I'd like to build one that's for the iphone. make it dockable tho. so no mods to the iphone.
I would have never thought of that, looks interesting. keep updating
you'll see soon enough....