Ruby amp Mods Pls Reply just a easy question

[electronoobz]

so can i put a line-in jack on it so i can play with an mp3?

you guys know ruby amp right? The one i posted on my prev. threads??


And i thought of adding a headphone jack on it and a switch and a led indicator.. Hahahaha cool mini amp isn't it??

 

[electronoobz]

i just want to put an aux input on it so i can play with a cd player or an mp3 player.


btw, it is okay if you would add it on the output directly without going in the beginning of the circuit..