M400

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  • Regular price $1,880.00
Tax included.


Design by Studio F. A. Porsche. Sound by KEF

More than your average on-ear headphones, M400 deliver sound you can almost feel. KEF’s state-of-the-art driver technology is housed in a seductively sleek design engineered for total comfort.

at a glance

20Hz-20kHz

2.5/3.5mm

101.5dB±4dB


SOUND

Great sound to go

The beauty of M400 is more than skin deep. With KEF’s ultra-light 40mm neodymium driver and copper clad aluminium wire (CCAW) voice coil, M400 reveals all the glories of the original performance: crisp, intricately detailed highs, seamlessly fluid midrange and tight, clean bass. Music you can feel – and so realistic, you can almost touch it. Your favourite tracks never sounded so good.

The beauty of M400 is more than skin deep. With KEF’s ultra-light 40mm neodymium driver and copper clad aluminium wire (CCAW) voice coil, M400 reveals all the glories of the original performance: crisp, intricately detailed highs, seamlessly fluid midrange and tight, clean bass. Music you can feel – and so realistic, you can almost touch it. Your favourite tracks never sounded so good.


"With a plethora of advanced acoustic features and a sleek, robust design, the KEF M400 headphones bring high-resolution sound to today's mobile, connected consumers."

RED DOT AWARD 2016 WINNER

"The distinctive profile of the KEF M400 combines state-of-the-art acoustic technologies with precision engineering, robust lightweight design and exceptional wearing comfort."

iF PRODUCT DESIGN AWARD 2016



"With a plethora of advanced acoustic features and a sleek, robust design, the KEF M400 headphones bring high-resolution sound to today's mobile, connected consumers."

RED DOT AWARD 2016 WINNER

"The distinctive profile of the KEF M400 combines state-of-the-art acoustic technologies with precision engineering, robust lightweight design and exceptional wearing comfort."

iF PRODUCT DESIGN AWARD 2016



"With a plethora of advanced acoustic features and a sleek, robust design, the KEF M400 headphones bring high-resolution sound to today's mobile, connected consumers."

RED DOT AWARD 2016 WINNER

"The distinctive profile of the KEF M400 combines state-of-the-art acoustic technologies with precision engineering, robust lightweight design and exceptional wearing comfort."

iF PRODUCT DESIGN AWARD 2016


CONNECTIVITY

Built to last

Lightweight, compact and built to withstand years of use on the move as well as at home, M400 has all the makings of a true design classic. The invisibly hinged folding frame is engineered from precision-machined cast aluminium, with supremely comfortable supra-aural earpads and a leather-covered headband contrasting with four silky premium finishes: Racing Blue, Sunset Orange, Deep Black or Champagne White.

Lightweight, compact and built to withstand years of use on the move as well as at home, M400 has all the makings of a true design classic. The invisibly hinged folding frame is engineered from precision-machined cast aluminium, with supremely comfortable supra-aural earpads and a leather-covered headband contrasting with four silky premium finishes: Racing Blue, Sunset Orange, Deep Black or Champagne White.

DESIGN STORY

Music on, world off

Padded with high-density memory foam covered in soft, sweat-resistant protein leather, the ball-jointed ‘race-track’ ear pads fit the exact shape of your ear and form an effective seal that cuts out external noise while preventing sound leakage. The light and sturdy aluminium frame exerts the right amount of gentle pressure that allows you to enjoy your music in comfort for as long as you want.

Padded with high-density memory foam covered in soft, sweat-resistant protein leather, the ball-jointed ‘race-track’ ear pads fit the exact shape of your ear and form an effective seal that cuts out external noise while preventing sound leakage. The light and sturdy aluminium frame exerts the right amount of gentle pressure that allows you to enjoy your music in comfort for as long as you want.

TECH TALK

The nitty-gritty

Specifications

driver (headphone)

40mm

 

weight

175g

 

frequency response

20-20kHz

 

sensitivity

101.5 dB±4dB (IEC-318 at 1KHz)

impedance

32±15%Ohm

 

maximum input power

30mW

 

noise attenuation

-20dB

 

connector

3.5/3.5mm

 

KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE.

Awards & Reviews

top pick - sound & vision

"... played nice and loud, totally rocked my world... the M400 projected a huge soundstage around my head, and the music's ominous low rumble was viscerally felt. The M400 sounds refined and clear, with bass that is definitely goosed up just a tad… but it's done tastefully." — 2016

 

reddot award 2016 winner

"With a plethora of advanced acoustic features and a sleek, robust design, the KEF M400 headphones bring high-resolution sound to today's mobile, connected consumers." — 2016

iF product design award 2016

"The distinctive profile of the KEF M400 combines state-of-the-art acoustic technologies with precision engineering, robust lightweight design and exceptional wearing comfort."  — 2016

 

metro newspaper

"Like Hush Puppies for your ears - the M400s are lighter, brighter and built for the commute."  — 2015

Specifications

driver (headphone)

40mm

 

weight

175g

 

frequency response

20-20kHz

 

sensitivity

101.5 dB±4dB (IEC-318 at 1KHz)

impedance

32±15%Ohm

 

maximum input power

30mW

 

noise attenuation

-20dB

 

connector

3.5/3.5mm

 

KEF reserves the right, in line with continuing research and development, to amend or change specifications. E&OE.

Awards & Reviews

top pick - sound & vision

"... played nice and loud, totally rocked my world... the M400 projected a huge soundstage around my head, and the music's ominous low rumble was viscerally felt. The M400 sounds refined and clear, with bass that is definitely goosed up just a tad… but it's done tastefully." — 2016

 

reddot award 2016 winner

"With a plethora of advanced acoustic features and a sleek, robust design, the KEF M400 headphones bring high-resolution sound to today's mobile, connected consumers." — 2016

iF product design award 2016

"The distinctive profile of the KEF M400 combines state-of-the-art acoustic technologies with precision engineering, robust lightweight design and exceptional wearing comfort."  — 2016

 

metro newspaper

"Like Hush Puppies for your ears - the M400s are lighter, brighter and built for the commute."  — 2015

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