Worked on something alittle different for a customer wanting to use the larger 4" earpads found on so many headphones out there. This particular set has Beyer pads, but they work with Denon pads and other 4" pads. Also, these pics don't show it but I fitted the cups with mini-4 pin xlr jacks and you'll see that the lacquer finish is kind of bumpy as it's not polished yet. I built these to house the Grado Blackstar drivers, but guess what? They sounded horrible. I stuck in a set of Magnum drivers and they sounded just fine. I didn't spend much time with them though. But either way, I think they're pretty cool and might appeal to some of you out there in the ether.