AKG N5005 Reference Class 5-Driver Configuration in-Ear Headphones - Black | eBay
Amazon.com: 2 Pack 40mm 32 Ohm Replacement Headphone Speaker Driver Be Compatible with Bose QC15 QC2 QC25 QC35 QC3 AE2 OE2 Headphone 700 Beats Solo 2 Solo3 Studio2 studio3 EP Wired AKG
Comparison between AKG Drivers [K240MKII 30mm vs. K550 50mm] The K240 sound extremely muffled, is that a defect or just a thing with these? I wanted them to be a gift but