I use K271 closed headphones in the studio, and I love them. I'm curious about the AKG open phones. Can someone outline the differences between the 501, 601 and 701 and ideally compare them to the K271 closed headphones which are my most familar set. I'm also curious what similar but...

I'm confused about some details of the ER4S and ER4P I have classic ER4S red & blue and have also ordered the current model ER4S (I play in a duo so we need 2 pairs for live performance) The ER4P is supposed to have more bass than the ER4S, but at the same time people seem to be saying...

OK, so many IEMs are 2 or 3 way, westone, freq, livewires, only futuresonics are actively going against the trend. BUT i haven't seen any of these manufacturers publish any details about their crossovers! what are the crossover frequencies? what are the slopes? not only is this data not...

Hi, I've been reading this forum to try to determine the best custom fit IEMs for me to perform with, if they are also good as listening phones so much the better, but performance monitoring is the main use. I'm new to IEMs. I have had custom fitted musicians earplugs before, but I have...