Hey guys, so I picked up a pair of used Sennheiser HD 451 on the cheap, I pulled off the ear pads to give them a wash and noticed that the driver is covered by a circular "hubcap" that covers more than 50% of the driver. The question I have is, does this cause interference and can these...

Hey guys, I have the chance to pick up these sennheisers for $5, it's so cheap so why not. But Ive never seen this model before and can't seem to find them online. Anyone know what they are?

The last time I was active I considered getting the RE-400, somehow that didn't happen because I was quite happy with my modified ZMF Fostex T50RP and AudioGD dac/amp unit.   Anyways, I got the HiFiMan email with the black Friday specials and the RE-400 is down to $79 dollar.   Suddenly I've...

Hi all.   I was wondering what technical differences one could expect between 8mm and 10mm drivers in IEMs. Is one of these consistently 'better'?    My intuition tells me that 10mm should deliver better bass performance and a more impactful sound. Could anyone shed some light on this...

Fight to the death. Who walks out alive?   I'm about to pull the trigger on RE-400's, but BA200's are going for $135 on Amazon... forget price though, what sounds better? I have a preference for clean and crispy, mids and highs ftw.   Anyone who owns both or who has properly auditioned...

Hi there, I was hoping someone could give me a few pointers to get me going in the right direction towards amping my phones on a bit of a budget. I just recently got a pair of HD555's and am trying to figure out which amplification route to take. Basically I have a few questions: I am...

Hi there, I was hoping someone could inform we as to whether it is possible to use an amplifier for car stereos to power headphones. I thought of this because car amps are sold fairly cheaply and may provide a good budget option. Any ideas?