I've had the HD-555 for a while, foam removed. I absolutely love them, they fell in my lap for cheap, and I have no regrets about the purchase - but my wife hates that she can hear EVERYTHING that I listen to.
Can anyone suggest any closed-back upgrade options? Trying to keep it under $150. I mostly listen to rock, but I'm a bit eclectic overall.
I thought about doing a foil+felt mod similar to the one m11a1 came up with for the HD238 (which worked out great for those, now my office headphones) but I'm not sure it'll be worth the time and trouble. The HD238s needed improvement and benefitted from the mod, but I fear the HD555s can only go downhill, and they're still great headphones for when my wife isn't in the room!