At $250, the M400 can be seen as a soft step down from their predecessor — the M500 run a cool $300 — but the headphones are more about attracting a different kind of listener than a more price-conscious one.
Few (if any) headphone makers have escaped the mighty reach of Dr. Dre’s stylish (if overpriced) Beats brand cans, and KEF is no exception. Apart from being lighter and more compact, the new M400 is a little flashier than KEF’s first effort, especially when you trade the classic black cans for one of the three vivid color options: Racing Blue, Sunset Orange, and Champagne White.
And style isn’t the only change for the M400. Although the 40mm drivers match up very similarly to the M500 on paper, there’s a fairly distinct change in sound signatures here. While the headphones keep the same balance we expect from KEF in the midrange and treble, the bass is definitely boosted here. The lows are powerful enough to be thunderous when called upon, which may or may not be a good thing, depending on your preference. The headphones also lack a touch of presence and clarity in the upper mids when compared to the M500.
That said, there are plenty of gorgeous moments to be enjoyed with the M400, which provides balance, detail, and rich warmth at the center of the sound across a wide variety of genres.
Those looking for a smooth ride, modern styling, and a bit more bass than the M500 provides will definitely want to give KEF’s latest a try.
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