SKU: 26055078842

Sennheiser IE 900 Audiophile In-Ear Monitor Headphone

$1147.47 $1274.97
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Ships within 48 hours · Estimated delivery Jul 22 - Jul 27

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Description

Sennheiser IE 900 Audiophile In-Ear Monitor HeadphoneSennheiser IE 900 Audiophile In Ear Monitor Headphone The precision manufactured aluminium housing of the IE 900 faithfully protects the dynamic TrueResponse transducers at the heart of Sennheisers innovative X3R technology. In addition to outstanding sound, audiophiles appreciate durable products that are made to last. Here as well, the IE 900 excels. Gold plated Fidelity+ MMCX connectors ensure perfect contact. Each termination is seated within a

Sennheiser IE 900 Audiophile In-Ear Monitor Headphone

 The precision-manufactured aluminium housing of the IE 900 faithfully protects the dynamic TrueResponse transducers at the heart of Sennheiser’s innovative X3R technology.

In addition to outstanding sound, audiophiles appreciate durable products that are made to last. Here as well, the IE 900 excels.

Gold-plated Fidelity+ MMCX connectors ensure perfect contact. Each termination is seated within a recessed, 4.8 mm-wide socket below the surface of the housing, providing strain relief. The cables themselves are para-aramid reinforced to withstand many thousands of bend cycles. But they don’t have to when protected in the included serialized case. Connect to practically any digital audio source with the 3.5 mm stereo plug including headphone amps, laptops, and audio interfaces. Each pair of IE 900s also includes symmetrical 2.5 mm and 4.4 mm cables for plugging directly into hi-fi components with balanced outputs. Because when you’re looking for the most natural and immersive sound, every detail matters.

Features

  • A new benchmark in portable sound reproduction
  • Unrivalled precision & craftsmanship
  • Developed in Germany and manufactured at our state-of-the-art Ireland plant
  • X3R TrueResponse transducer technology for balanced sound with ultra-revealing detail
  • Helmholtz resonator chambers unmask critical audio details, even during extended listening sessions
  • Precision-milled and anodized aluminium housing
  • Gold-plated Fidelity (+) MMCX connectors for improved stability
  • Choice of para-aramid reinforced cables (2.5 mm, 3.5 mm, 4.4 mm)
  • Adjustable ear hooks and choice of ear adapters including memory foam
  • Frequency response: 5 Hz - 48,000 Hz
  • THD: 0.05% (1 kHz, 94 dB)

Experience peak German audio engineering

The precision-manufactured aluminium housing of the IE 900 faithfully protects the dynamic TrueResponse transducers at the heart of Sennheiser’s innovative X3R technology.

The IE 900 reveals the true potential of any recording. If it’s a masterpiece, you’ll hear it. Brilliant, sparkling treble — with no trace of sibilance.

A single dynamic driver only — of the highest quality, of course.


In developing the IE 900, Sennheiser faced a fundamental choice. The inherent compromises multi-driver systems require (phase issues and the resulting distortion in overlapping frequency bands) made the decision easy. There would be a single dynamic driver only — of the highest quality, of course. To get exactly the sound they were looking for, they designed a sophisticated system of three Helmholtz resonators — a crucial element in the X3R technology - milled right into the solid aluminium housing of each earphone. These tiny channels eliminate resonance peaks which can colour the sound signature and alter the feel of your music. In addition, a complex structure in the nozzle of each earphone — the Vortex — swirls acoustic energy in these frequency bands to smooth out peaks.

Specifications

Article number (SKU) 508949
Transducer principle dynamic, Extra Wide Band (XWB)
Transducer size 7 mm
Frequency response (speaker) 5 Hz - 48,000 Hz
Ear coupling In-ear, closed
Sound pressure level (SPL) 123 dB (1 kHz, 1 Vrms)
Total harmonic distortion (THD) < 0.05% (1 kHz, 94 dB)
Cable length 1.25 m
Connector stereo jack plug, gold-plated, MMCX plug
Impedance 18 Ω
Attenuation -10 d

What's included

IE 900 in-ear headphones
Balanced para-aramid reinforced cable with 2.5mm connector
Unbalanced para-aramid reinforced cable with 3.5mm connector
Balanced para-aramid reinforced cable with 4.4mm connector
3 pairs of silicone ear adapters (S, M, L)
3 pairs of foam ear adapters (S, M, L)
Premium carry case with metal serial no. plate
Cable clip, Cleaning tool & Cleaning cloth
Presentation box with signed customer certificate & User manuals

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 26055078842

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4.5 ★★★★★
Based on 11 reviews
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S
Verified Purchase
Shannon VanDuyne-Johnson
Lowell, US
★★★★★ 5
Rodeo
Color: Brown, Size: X-Large
Perfect fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
A
Verified Purchase
Alc
Draper, US
★★★★★ 4
Color bleed
Color: Black, Size: XX-Large
Nice vest but it ruined my white shirt. Color bleed and little black balls all over the place
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Reviewed in the United States on November 2, 2025
L
Verified Purchase
lucy
Chelsea, US
★★★★★ 5
Great for the price.
Color: Brown, Size: X-Large
I bought this vest for my brother in the Philippines. He like a vest with a fringe or tassel, and this is the only item that has it. I am rating it a 5 star because of a quick replacement for the defective item that I received at first. The materials used are thin, however, the vest still looks great. I hope they will last a bit longer after several washing.
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Reviewed in the United States on January 1, 2024
T
Verified Purchase
T.O. Joseph
Omaha, US
★★★★★ 1
Cheap-poorly made junk
Color: Coffee, Size: XX-Large
I needed a vest with some fringe for a costume party on 11/24/23. I looked at many others but decided on this one due to the fact it would arrive on Wednesday instead of Friday, the day of the party. I beyond disappointed in the quality and fit of this vest. I knew that it was faux leather but it was the worst faux leather type material I had ever seen. The fit was terrible, said 2xl but 1xl tops. It was probably my worst purchase ever on Amazon. Save your money and do not purchase this vest.
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Reviewed in the United States on November 30, 2023
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 3
Thin
Color: Light Khaki, Size: 3X-Large
Runs somewhat small Thin material
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Reviewed in the United States on November 4, 2024

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