Quote:
Originally Posted by Puma Cat
I don't know if we're allowed to mention headphone forums here by name, but the one I hang out on, but one of the members mentioned bit more response in the area of what the headphone guys call "sub-bass". The 660s have an impedance of 150 ohms to make them easier to drive, as well. Sennheiser has some stiff competition these days with the Oppo PM3 planar magnetics, which I have and which is superb. I should do a review of them.
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I will wait a year or two when the HD660 fall in price like I did with the 650's while I enjoyed the 600.
Yes, you should absolutely share you findings on the Oppo. I was curious about them!
