Anonymous6 years ago+110Are both sides 3.5mm?Show in original language (German)Mike_Bast6 years ago+110 Helpful answerNo ! The cable has an angled 3.5 mm plug at one end and a straight 2.5 mm plug at the other end.Show in original language (German)CommentMike_Bast6 years ago+110Yes, 1 X straight; 1 X angled https://de-ch.sennheiser.com/zubehoer--...Show in original language (German)Comment1 commentgravso6 years ago000As far as I know both, but one cable has 3 grooves, like a Heos cable, but I don't know what the 3rd channel is for.Show in original language (German)Comment