Which slim foams are these? I've ordered the er2 xr and the tuning kit! Already own and love the er4 Sr so these are a safe buy
ER38-14A Small Beige Foam Tips.
But I also use Comply P-Series and they are equally great and easier to get hold of. I think the Ety foams are out of stock in Europe. Seen some on eBay US
By the way 4SR...what a feat of engineering! I think though with brown filters you'll be very pleasantly surprised by just how beautiful the 2XR sounds. And that sub-bass? Don't get me started
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