IE 400 PRO
Noticeable punch, clear high frequencies and transparent mid-range reproduction. The mini 7mm driver guarantees artifact- and distortion-free sound.
„The best in-ear monitor series ever. Just buy them all.“
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Sennheiser Star Rating

4.7 (3) Reviews

Choose product variant

$ 539.00
IE 400 PRO
_

Sennheiser Star Rating

4.7 (3) Reviews

$ 539.00

IE 400 PRO

The warm in-ear monitoring sound of the IE 400 PRO with its rich, noticeable punch is the right choice for professionals who wish to take their accustomed studio sound onto the stage with them. Even at high sound pressure levels, the IE 400 PRO reproduces its warm sound free from artifacts and distortion. With the newly developed TrueResponse technology, the dynamic driver measuring a mere 7mm generates tremendous resolution and prevents acoustic stress, even during long periods of use. Distortion, overlapping frequencies and resonance peaks which otherwise usually occur frequently are no longer a problem. The distortion factor has been optimized to a previously unimaginable 0.08%. It’s miniature design also permits an ultra-compact construction which, thanks to the accompanying silicone and memory foam adapters, can be individually adjusted. This in-ear monitor is easy to handle and provides brilliant sound reproduction. Built to last under extreme stress, a secure and comfortable fit for hours.

Looking for distortion-free, natural sound with a “punch,” transparent mid-range reproduction and clear high frequencies? The IE 400 PRO is the right choice.

  • Newly developed dynamic 7mm wideband transducer for punchy, high-resolution monitoring sound

  • Noticeable punch with transparent mid-range reproduction and clear high frequencies

  • TrueResponse driver system reduces acoustic stress factors through homogeneous and distortion-free reproduction

  • High level of wearing comfort and good fit thanks to ergonomic compact housing

  • Excellent shielding through optimized earpiece shape and flexible silicone and foam tips

  • Cable concept fit for the stage with innovative duct (patent application in progress)

More punch, more transparency, more control

The IE 400 PRO provides noticeable punch, clear high frequencies and transparent mid-range reproduction. Thanks to its clear frequency response and warm monitoring sound, musicians can perceive themselves with confidence and without distortion. Furthermore, they can do so at high sound pressure levels where other in-ear systems begin to clip and distort. The dynamics of the IE 400 PRO represent the philosophy of the entire IE series; MoreMe. Perceive more, have more control, and confidently locate your own sound in the mix.

More punch, more transparency, more control

Next-generation dynamic drivers

The result of intensive development work: a single dynamic high-performance driver – with a diaphragm measuring only 7mm in diameter – covers the entire frequency spectrum. This way, interference effects in the region of the transitional frequencies and phase differences are avoided. A system of magnets with triple-duct ventilation significantly reduces the distortion factor. The two-chamber absorber in the direction of the ear canal minimizes resonance peaks that would otherwise naturally occur. The result: even at high sound pressure levels, the sound remains clean and free from distortion. Consequently, the IE 400 PRO protects your hearing, even after hours on the loudest stages. During professional use, that which previously got lost in the mix suddenly becomes audible.

Next-generation dynamic drivers

It’s not just the sound that fits your ear…

…the IE 400 PRO also sits comfortably and securely in your ear for several hours. Choose either silicone or viscoelastic memory foam tips to individually adapt to the structure and depth of your ear canal for hours of reliable wearing comfort. Durable and innovative cable ducting with a deep-set connector and double-backed protection allows the IE 400 PRO to also withstand tough nights on the stage. Again, and again.

It’s not just the sound that fits your ear…
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Reviews
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Sennheiser Star Rating

4.7 (3) Reviews

100.0% of Reviewers Would Recommend this product to a friend

  • Brian
    New York
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    Sennheiser Star Rating

    The Best In-Ear Monitor Series Ever

    Just buy them all.

    PRO:

    The IE pro series has a much sense-making price and a much better sound comparing to almost all of the other extremely overpriced IEMs for on stage and monitoring usings.

    BEST USES:

    Pro audio.

    BOTTOM LINE:

    I would recommend this to a friend.

  • DEEPAL WIJE
    SRILANKA
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    Sennheiser Star Rating

    IE 400 PRO

    ok

    PRO:

    1).Earlier i owned SHURE SE846 and when i use this one i feels this is far better than SE846 specially in sound quality.(sound quality is good even without high end DAC) 2).This is really comfortable to wear and there were almost zero Listening fatigue. 3).IE400 PRO is MADE IN GERMANY 4).High quality carrying case. 5).After using this earphone i realized that Sennheiser’s new broadband transducer is far better than balanced armature drivers.

    CON:

    1).The plastic which use to make this earphone easy to scratch. 2).Even it is Made in Germany, it looks like cheap earphone.

    BEST USES:

    Even if you are not the Pro, you can use this earphone to listen your favourite music.

    BOTTOM LINE:

    I would recommend this to a friend.

  • Ryan
    Singapore
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    Sennheiser Star Rating

    Ie 400 pro

    hope there will be a company making a upgrade cable for this

    PRO:

    Punchy and natural bass midrange smooth and rich treble was crystal clear and detail accurate and deep soundstage

    CON:

    cheap plastic housing and cheap cable

    BEST USES:

    Audiophile and drummer

    BOTTOM LINE:

    I would recommend this to a friend.

Specifications
What's in the Box
  • 1 IE 400 PRO
  • 3 Silicone adapters (S, M, L)
  • 3 Foam adapters (S, M, L)
  • 1 Transport case
  • 1 Cleaning Tool
  • 1 6.3 mm jack-adapter

Training
Part 1

Part 2

Support
Contact Us
Product Support Phone

(+65) 6932 5992


Downloads

  • EU Declaration of Conformity
    • EU Declaration of Conformity IE PRO Series (290 KB) Download

  • Safety Guides
  • Spec Sheets
    • Product Specification IE 400 PRO (190 KB) Download

  • Quick Guides
    • Quick Guide IE 400 PRO / IE 500 PRO (940 KB) Download