I have M50 and planning to upgrade from iPod shuffle to the latest iPod Classic. I did research and only found general terms like "iPods can drive M50", but no specific unit. Some says some iPod underpowers the M50, like the 6th and 7th gens of Nanos (is this true?). My 4th gen ipod shuffle...

Hello! Im new here in head-fi.. I searched threads here and found nothing about this little OCD concern..=D    I bought my m50 yesterday and after some switching to phone to ipod shuffle (plugging/unplugging), i noticed that the barrel/metal casing(silver part) that holds the 3.5mm jack(gold...