Pros: Excellent tonal balance and extension. Very natural timbre. Superb construction, materials, and comfort level.
Cons: Poor isolation, light on the bass.
The ATH-EM9d is an elusive model that was never sold in the United States - I picked these up in Taiwan during a trip to Taiwan in 2008. Production had already ceased at the time of purchase, with the new ATH-EMx00 series replacing the old line. Comparison to ATH-EM700 Even though the ATH-EM9d was being replaced by the ATH-EM700, the older model remained more expensive than the new one (the old EM9d was $190, while the EM700 was $150 brand new). I asked the shop owner (who is a long-time audiophile himself, and participated actively on several headphone forums) what he thought, and he said quite simply: "The new ones are junk. AT cut corners in materials all over the place." ...(read more)