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Sennheiser IE 900 Audiophile in-Ear Monitors - TrueResponse Transducers with X3R Technology for Balanced Sound, Detachable Cable with Flexible Ear Hooks, Includes Balanced Cables, 2-Year Warranty

4.1 4.1 out of 5 stars 50 ratings

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Brand Sennheiser Consumer Audio
Model Name IE 900
Color Silver
Form Factor In Ear
Connectivity Technology Wired

About this item

  • Innovative X3R technology, unique to the IE 900, combines the German-made 7mm transducerwith specially developed membrane foil, triple-chamber absorber and acoustic vortex for anintense listening experience.Specific uses for product : Music
  • Larger-than-life sound from 7mm TrueResponse Transducer, crafted in Germany specifically forin-ear listening using the entire frequency spectrum for critical hearing of all elements of the source
  • Unique triple-chamber absorber system and acoustic vortex removes masking resonances for a refined and extended treble. Newly developed membrane foil minimizes resonances and distortion
  • Equipped with para-aramid reinforced cables with gold plated MMCX connectors which possesses a special recessed and robust design to ensure reliability even after over 500 attachment cycles
  • Selection of silicone and memory foam ear adaptors in 3 sizes (S/M/L) and adjustable ear hooks to ensure an optimal fit and high noise isolation
  • Product includes: 3 connecting cables with MMCX connectors; single ended 3.5mm and balanced 2.5mm & 4.4mm, silicone & memory foam sets (S, M, L), carry case, cleaning tool and user manual
  • 2-year warranty
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From the brand


From the manufacturer

Sennheiser IE 900. Every detail matters.

Sennheiser IE 900. Every Detail Matters.

The new IE 900 from Sennheiser sets a new benchmark in portable audio fidelity through technical innovation (X3R technology), meticulous attention to detail, and an uncompromising demand for perfection.

Every aspect of the IE 900 has been engineered to work in harmony to achieve the desired acoustic tuning and to reduce resonances and masking effects. Its acoustic design ensures brilliant, natural high-end sound reproduction and reveals even the finest details in the music.

IE 900 X3R Technology

Introducing the X3R technology

Innovative X3R technology, unique to the IE 900, unites the German-made 7mm TrueResponse transducer with specially developed membrane foil, triple-chamber absorber system and acoustic vortex for an intense listening experience.

What refines the X3R technology is its three Helmholtz resonator chambers and acoustic vortex which smoothens masking resonance. The three resonator chambers are precision-drilled into the elegant aluminum chassis of the IE 900 and placed between the diaphragm and the nozzle.

This complete harmony of systems is at work to unlock the details buried within every track.

7mm TrueResponse Transducer

IE 900 membrane foil

IE 900 Triple-chamber Absorber

IE 900 Acoustic Vortex

German-made 7mm TrueResponse Transducer provides extra wide frequency extension and ultra-low distortion for exceptionally natural sound.

The drivers in each pair of IE 900s are matched during our automated transducer manufacturing process to practically eliminate variance.

The specially developed membrane foil used in the transducer diaphragm delivers rapid response times for pristine, clear audio across the entire frequency spectrum, even at atypical volume levels.

The triple-chamber absorber is a sophisticated system of three Helmholtz resonators milled into the solid aluminum housing.

These tiny channels eliminate resonance peaks which can color the sound signature and alter the feel of your music.

Milled directly into the nozzle, the acoustic vortex is a complex structure which swirls acoustic energy in these frequency bands to smooth out peaks.

IE 900 Ultimate Precision & Craftsmanship

Ultimate precision & craftsmanship

Designed, engineered, and made in Germany the one-piece housing is precision-milled from a single block of aluminum on an avant-garde 5-axis-CNC machine.

The demanding milling process takes 40 minutes for each pair of IE 900. Components are hand-assembled by a specialist team at Sennheiser's headquarters with meticulous attention to detail.

IE 900 A precise fit for precise sound

A precise fit for precise sound

The secure form fitting lightweight high-strength anodized aluminum housing offers exceptional resistance and long-lasting aesthetic beauty. Adjustable flexible ear hooks and a selection of silicone and memory foam ear adaptors in 3 sizes (S/M/L) adapt to the natural shape of your ear for a tailored fit and high noise isolation.

Let’s take a look at the specifications...

  • Transducer principle: Closed-back single dynamic driver, pressure chamber
  • Transducer size: 7mm
  • Frequency response: 5 Hz – 48,000 Hz (-10 dB)
  • Impedance: 16 Ohms
  • THD: <0.05% (94 dB, 1 kHz)
  • Cable connector: Gold-plated Fidelity+ MMCX Connectors
  • Weight: 4 g (single earphone); 24 g (earphones with cable)

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This Item
Sennheiser IE 900 Audiophile in-Ear Monitors - TrueResponse Transducers with X3R Technology for Balanced Sound, Detachable Cable with Flexible Ear Hooks, Includes Balanced Cables, 2-Year Warranty
Sennheiser IE 900 Audiophile in-Ear Monitors - TrueResponse Transducers with X3R Technology for Balanced Sound, Detachable Cable with Flexible Ear Hooks, Includes Balanced Cables, 2-Year Warranty
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Price-23% $999.95
List:$1,299.95
$139.99$269.00-33% $39.99
List:$59.99
$899.00$99.95
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it Mar 29 - Apr 1
Customer Ratings
Sound quality
4.8
4.3
4.0
4.4
4.3
4.4
Noise cancellation
4.2
3.9
4.1
4.0
4.3
4.5
Comfort
4.5
4.3
4.2
4.0
Volume control
4.1
4.3
3.0
4.0
Value for money
3.7
4.6
4.5
Sold By
DEALATHON
1MORE USA Inc
Amazon.com
Linsoul Audio
Amazon.com
Electronics Expo (Authorized Dealer)
connectivity tech
Wired
Wired
Wired, Wireless
Wired
Wired
Bluetooth
headphones form factor
In Ear
In Ear
Over Ear
In Ear
In Ear
In Ear
connector type
2.5mm Jack
3.5mm Jack
3.5mm Jack
3 5mm Jack
3.5mm Jack
3.5mm Jack
noise control
sound isolation
sound isolation
active noise cancellation
sound isolation
sound isolation
sound isolation
headphones jack
3.5 mm Jack, 2.5 mm Jack
3.5 mm Jack
3.5 mm Jack
3.5 mm Jack
3.5 mm Jack
3.5 mm Jack
cable feature
Retractable, Detachable
Tangle Free
Detachable
Detachable
Detachable
Detachable

Looking for specific info?

What's in the box

  • IE 900 earphones, Unbalanced para-aramid reinforced cable with 3.5 mm connector, Balanced para-aramid reinforced cables with 4.4 mm and 2.5 mm connectors, 3 pairs of silicone ear adapters (S/M/L), 3 pairs of memory foam ear adapters (S/M/L), Cable clip, cleaning tool and cloth, Carry case, Presentation box with signed customer certificate and user manuals
  • Product information

    Warranty & Support

    Product Warranty: For warranty information about this product, please click here

    Feedback

    Sennheiser

    Sennheiser IE 900 Audiophile in-Ear Monitors - TrueResponse Transducers with X3R Technology for Balanced Sound, Detachable Cable with Flexible Ear Hooks, Includes Balanced Cables, 2-Year Warranty


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    Product Description

    The new IE 900 from Sennheiser sets a new benchmark in portable audio fidelity through technical innovation, meticulous attention to detail, and an uncompromising demand for perfection. The IE 900’s acoustic design ensures brilliant, natural high-end sound reproduction. It features a refined version of Sennheiser’s 7mm audiophile Extra Wide Band XWB transducer system, engineered to tighter tolerances and expertly tuned for even greater fidelity, and a unique triple-chamber absorber T3CA system. These advances produce high dynamics in a precise and controlled manner, so music stays distortion free and extremely transparent at any listening volume. The IE 900 is manufactured by a specialist team at Sennheiser’s headquarters in Germany to the highest production standards in the audio industry, ensuring exceptional lasting quality.

    Customer reviews

    4.1 out of 5 stars
    4.1 out of 5
    50 global ratings

    Customers say

    Customers like the sound quality, comfort, sparkle, detail, and quality of the headphones. For example, they mention that it sounds excellent, has deep contoured bass, and is very comfortable. They appreciate the detail, clarity, and presentation, which is highly detailed. That said, some say that the mids overall are very good.

    AI-generated from the text of customer reviews

    9 customers mention7 positive2 negative

    Customers like the sound quality of the headphones. They say that it sounds excellent, with deep contoured bass. They also appreciate the cleanness and separation of the sound, along with the way the IE900s deliver lows and highs. Customers also mention that the sound is dynamic and very engaging, with outstanding bass and treble.

    "...hear exactly where each sound is coming from, and the layering of the sounds is outstanding for an IEM; this gets back to what I mentioned about the..." Read more

    "...Again it’s extremely great- full meaty, tight, fast, powerfully booming! and of the highest quality bass possible, perfect bass has finally arrived...." Read more

    "...They give a waterfall of listening pleasure and incredible sense of presence." Read more

    "...The single dynamic driver yields organic and true to life sound with beautiful realism especially when compared to my 64 Audio u12t. The u12t is..." Read more

    4 customers mention4 positive0 negative

    Customers like the comfort of the headphones. For example, they mention they're very comfortable, and the wire is also comfortable. Customers also say that the headphones punch in a way that is relaxed and controlled at all volumes.

    "...First, just on general comfort - for me, these are the most comfortable in-ear earphones I have ever worn, aside from my customs that were 3D..." Read more

    "...I highly recommend this set, it’s wear all day long comfortable, it’s aluminum housing is indestructible, with three perfect non tangle free- cables..." Read more

    "...Add their small size, comfort is outstanding allowing you to leave them in for hours at a time...." Read more

    "...Comes with 3 different cables. Stock earplugs work pretty well. Very comfortable...." Read more

    4 customers mention4 positive0 negative

    Customers are impressed with the sparkle of the headphones. They mention that it has beautiful realism, with a smooth, sparkly, articulate wall of sound. They also appreciate the low profile, sound, design, and fit plus the accessories. Customers also say the details layered on top are truly well done, and unmatched.

    "...in a low-end that is smooth, fast and articulate, with sparkly details layered on top. It is truly well-done...." Read more

    "...900 has superb-sound quality, it’s mid range and highs are precise, perfect, and crystal clear, they’re super clean-sounding, with an unsurpassed,..." Read more

    "...single dynamic driver yields organic and true to life sound with beautiful realism especially when compared to my 64 Audio u12t. The u12t is..." Read more

    "...Sennheiser's would have worked because I liked the low profile, sound, design, and fit plus the accessories were pretty cool..." Read more

    3 customers mention3 positive0 negative

    Customers appreciate the clarity, presentation, and treble response of the headphones. They say it has a highly detailed trebe response presentation, with a good hi-fi. Customers also say the headphones do a better than decent job at detail retrieval and layering. They mention the mix is silky smooth, articulate, and detailed. Overall, customers are happy with the sound quality and performance of the product.

    "...shine against the elevated sub-bass, and these do a better than decent job at detail retrieval and layering, so that extra treble emphasis brings..." Read more

    "...-sound quality, it’s mid range and highs are precise, perfect, and crystal clear, they’re super clean-sounding, with an unsurpassed, highly detailed..." Read more

    "...The sound is detailed, and highly analytical. The bass is good and is punchy and shows up where appropriate...." Read more

    3 customers mention3 positive0 negative

    Customers are satisfied with the quality of the earphones. They mention that the sound is superb, the mids are very good, and the aluminum housing is indestructible.

    "...Given these are a Sennheiser flagship, the mids overall are VERY good, my comments are getting into the nitty gritty nitpicking...." Read more

    "...powerful, and meaty, incredibly- tight, and fast, with superb-unreal quality. The IE 900 bass presentation, has been unattainable, until now!..." Read more

    "These are absolutely fantastic earphones.The best you can get in compact listening at all...." Read more

    3 customers mention3 positive0 negative

    Customers like the size of the headphones. They mention that the length of the IEM fits perfectly with the natural curvature of their ears, and the small foam tips fit perfectly into their ears and get a perfect seal. The comfort is outstanding, and it has a tight, meaty bass.

    "...The length of the IEM fits perfectly with the natural curvature of my ears, and the small foam tips fit perfectly into my ears and get a perfect..." Read more

    "...Again it’s extremely great- full meaty, tight, fast, powerfully booming! and of the highest quality bass possible, perfect bass has finally arrived...." Read more

    "...Add their small size, comfort is outstanding allowing you to leave them in for hours at a time...." Read more

    Other worldly- unmatched bass quality! Better bass than any full size headphones ever- AWESOME!⭐️
    5 Stars
    Other worldly- unmatched bass quality! Better bass than any full size headphones ever- AWESOME!⭐️
    The IE 900 has superb-sound quality, it’s mid range and highs are precise, perfect, and crystal clear, they’re super clean-sounding, with an unsurpassed, highly detailed treble response presentation—of 48 kHz, it’s quite remarkable. The added new bump up in bass, is hands down! the best in the audiophile earphones business, It’s extremely powerful, and meaty, incredibly- tight, and fast, with superb-unreal quality. The IE 900 bass presentation, has been unattainable, until now! It’s punchy, boomy, and powerful, and of the highest quality available. It possesses “Buttery Beautiful, deep contoured Bass” besides the already highly touted, award winning! Sennheiser detailed trebled highs. The Sennheiser IE 900s award winning! detail retrieval- along with its best in class, bass presentation, is why you should pull the trigger/buy The IE 900 iem. For bass lovers/bass heads The IE 900 can’t be beat! Again it’s extremely great- full meaty, tight, fast, powerfully booming! and of the highest quality bass possible, perfect bass has finally arrived. It’s truly almost-unbelievable. All reviews (99.99%) on the internet, of the IE 900, are 5 stars. The IE 900, has already won some audio earphone iem awards! Plus on YouTube, The IE 900 has received the highest praise, and accolades. The old model IE 800 series, has won numerous audio earphone iem awards, for its highly detailed treble. The new Sennheiser flagship IE 900 is a step up! mainly because of It’s highly touted bass presentation. The vastly improved bass, lends to a larger soundstage etc. and completes- is icing on the cake. The Sennheiser new flagship IE 900 iem, is an unheard of until now, buttery beautiful, unmatched,-not even close! I can’t say enough, super high quality! tight meaty-bass Monster! with-the highest quality possible! blow you away, power and boom. I highly recommend this set, it’s wear all day long comfortable, it’s aluminum housing is indestructible, with three perfect non tangle free- cables. I love everything about The IE 900. I wish the rating went to 7 stars-⭐️⭐️⭐️⭐️⭐️⭐️⭐️ If you can’t possibly afford The amazing IE 900 earphones, the next best thing to do, is to buy a pair of audio award winning Sennheiser IE 800 earphones, buy used on EBay. Make sure the front of the box has a yellow Hi-rez sticker on it, and the order number located on the back is 505484.
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    Top reviews from the United States

    Reviewed in the United States on June 8, 2022
    47 people found this helpful
    Report
    Reviewed in the United States on July 21, 2021
    Customer image
    5.0 out of 5 stars Other worldly- unmatched bass quality! Better bass than any full size headphones ever- AWESOME!⭐️
    Reviewed in the United States on July 21, 2021
    The IE 900 has superb-sound quality, it’s mid range and highs are precise, perfect, and crystal clear, they’re super clean-sounding, with an unsurpassed, highly detailed treble response presentation—of 48 kHz, it’s quite remarkable. The added new bump up in bass, is hands down! the best in the audiophile earphones business, It’s extremely powerful, and meaty, incredibly- tight, and fast, with superb-unreal quality. The IE 900 bass presentation, has been unattainable, until now! It’s punchy, boomy, and powerful, and of the highest quality available. It possesses “Buttery Beautiful, deep contoured Bass” besides the already highly touted, award winning! Sennheiser detailed trebled highs. The Sennheiser IE 900s award winning! detail retrieval- along with its best in class, bass presentation, is why you should pull the trigger/buy The IE 900 iem. For bass lovers/bass heads The IE 900 can’t be beat! Again it’s extremely great- full meaty, tight, fast, powerfully booming! and of the highest quality bass possible, perfect bass has finally arrived. It’s truly almost-unbelievable. All reviews (99.99%) on the internet, of the IE 900, are 5 stars. The IE 900, has already won some audio earphone iem awards! Plus on YouTube, The IE 900 has received the highest praise, and accolades. The old model IE 800 series, has won numerous audio earphone iem awards, for its highly detailed treble. The new Sennheiser flagship IE 900 is a step up! mainly because of It’s highly touted bass presentation. The vastly improved bass, lends to a larger soundstage etc. and completes- is icing on the cake. The Sennheiser new flagship IE 900 iem, is an unheard of until now, buttery beautiful, unmatched,-not even close! I can’t say enough, super high quality! tight meaty-bass Monster! with-the highest quality possible! blow you away, power and boom. I highly recommend this set, it’s wear all day long comfortable, it’s aluminum housing is indestructible, with three perfect non tangle free- cables. I love everything about The IE 900. I wish the rating went to 7 stars-⭐️⭐️⭐️⭐️⭐️⭐️⭐️ If you can’t possibly afford The amazing IE 900 earphones, the next best thing to do, is to buy a pair of audio award winning Sennheiser IE 800 earphones, buy used on EBay. Make sure the front of the box has a yellow Hi-rez sticker on it, and the order number located on the back is 505484.
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    14 people found this helpful
    Report
    Reviewed in the United States on December 7, 2023
    One person found this helpful
    Report

    Top reviews from other countries

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    Daniel Mendoza
    5.0 out of 5 stars Sublimes
    Reviewed in Mexico on January 16, 2024
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    Daniel Mendoza
    5.0 out of 5 stars Sublimes
    Reviewed in Mexico on January 16, 2024
    Es un producto difícil de describir por su precio y rendimiento, pero debo admitir que siempre me ha gustado el sonido de los productos Sennheiser.

    El año pasado compré el IE 600 ya que aparentemente TODOS lo recomiendan como el “IE 900 refinado”, y ahora que tengo el IE 900 puedo decir con certeza que es un producto muy malentendido.

    Sí, el IE 600 tiene objetivamente un mejor material, un mejor precio y un sonido más neutral y timbre correcto pero en el aspecto técnico está MUY por detrás de su hermano mayor.

    El IE 900 es más amplio, más holográfico en su presentación sonora y mucho más rápido en la respuesta de transientes.

    Los bajos pegan rápido, retumban y decaen de manera natural. Las voces tienen un aire y definición adicional que les añade un gusto excepcional. Los altos son súper bien articulados, presentes e infinita mente más claros que los IE 600 sin llegar a ser sibilantes o molestos.

    El IE 900 es verdaderamente excepcional como logran mezclar rendimiento increíble con un sonido divertido, envolvente y disfrutable.
    NO son audífonos de estudio 100% neutros y aburridos para mezclar, son todo lo contrario y me hacen sonreír al escuchar música; la cual disfruto como cuando compré mis primeros audífonos decentes hace 20 años y eso es muy raro y especial para mi.

    Recomendado si aprecian la ingeniería alemana y tienen buen oído, si no los IE 300 les darán 70% del rendimiento a 1/5 del precio.
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    3 people found this helpful
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