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To which headphones in terms of sound could you compere these ?
a more boomy hd650 is what comes to mind first. they're not as rolled off in the treble as the 650, and have deeper reaching sub bass, but overall, i always thought of them as a basshead's hd650. oh, mids are not as forward as on the hd650 though. the 1540's mids have a slight recession. nothing major, but it's there.