Hello Head-Fi! It sure is hard to keep a secret! We’re here to officially debut the HD 660S2, the latest in our 600 series of audiophile headphones. This dynamic, open-back set of cans brings a new flavor to this award-winning and best-selling family thanks to the feedback from you, the hi-fi...

My Superlux HMD-660e just arrived today now actually wearing it. Bought from a direct supplier (Malaysia branch) that sourced directly from Superlux for around USD 12 (80% discount right now so i bought it) I suppose the HMD-660 is literally Superlux HD 660 with a dynamic mic. I owned Superlux...