looked through this thread but still somewhat confused?   can a kind soul please help differentiate the IM50 and 70?   for me I listen to EDM and country so :/   thanks in advance :D

Hello, I currently have a Sennheiser HD449 which I don't plan on using (cuz imma basshead), and I wanna trade-in for something else (probably the 439s). I've already tried combing through Funan, no luck, so anyone got any ideas where can I do so? Sim Lim? O.o   I also don't mind selling it...