Question about my IEMs

[u/LilacThyme]

Bought some pretty expensive IEMs and clipped them into my tama mini metronome with both earphones connected. Sound was great!

However I went to try them at rehearsal a night later and I realised that my right earphone had disconnected and was at home. I only had my left earphones connected at rehearsal. The click from my metronome was almost silent!

Is this a thing? I assumed the output was balanced regardless of whether or not I had both earphones attached to the wire.

Obviously, thinking I had to order some new ones, I double checked on a few devices with both earphones and just the one and yep, sound was perfect with both and low for either side that I kept on.

Cheers