£1,199.00
Sennheiser – IE 900 In-Ear Headphones
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Condition: New
- New Out of stock
Condition details
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Each condition grade explains the item’s expected cosmetic appearance. Used items are checked and tested before dispatch.
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Checked before dispatch
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12-month cover included
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Simple condition guide
Condition guide
New
Brand-new item
A brand-new, unused, unopened item in its original packaging, never worn, used, or activated, with all original packaging intact.
Like New
Pristine condition
The item appears as if it has just come out of a retail box. There are no signs of wear, and all original protective materials are intact. The item may have been opened or used very minimally but retains its pristine condition, and all original accessories are included.
Very Good
Minimal wear
The item shows minimal wear from general use and is 100% operational and functions as intended. It may have minor cosmetic imperfections but performs well, and may be missing non-essential accessories.
Good
Noticeable wear
The item is fully operational and functions as intended, but has noticeable wear from previous use. It may have aesthetic imperfections such as scratches or dents, and may be missing non-essential accessories.
Fair
Fairly worn
The item is fairly worn but continues to work perfectly. Signs of wear can include aesthetic issues such as scratches, dents, and worn corners, and it may be missing non-essential accessories.
Experience your music with exceptional clarity, precision and detail with the Sennheiser IE 900 — a premium audiophile in-ear headphone built around a 7mm TrueResponse dynamic driver and X3R Triple-Resonator Chamber technology for finely resolved, natural sound.
Key Features
- Single 7mm TrueResponse Extra Wide Band dynamic driver for coherent, highly controlled sound
- X3R Triple-Resonator Chamber system with three Helmholtz resonators to reduce unwanted high-frequency resonances
- Frequency response of 5Hz to 48,000Hz for deep bass extension and finely resolved highs
- Total harmonic distortion below 0.05% at 1kHz / 94dB
- Precision-machined aluminium housings for a rigid acoustic enclosure with low weight
- Three detachable cables with 2.5mm balanced, 3.5mm unbalanced and 4.4mm balanced connectors
- Gold-plated Fidelity+ MMCX connectors for easy cable swapping and improved stability
- Para-aramid reinforced cables for durability with portability-friendly flexibility
- Adjustable over-ear hooks for a secure fit during long sessions
- Silicone and memory foam ear adapters in Small, Medium and Large sizes
- Each earpiece weighs approximately 4g without the cable
- Developed in Germany and manufactured at Sennheiser's specialist facility in Ireland
- Premium carry case included for safe storage
Benefits
- Hear subtle detail in your recordings that lesser earphones can mask
- Wired architecture avoids Bluetooth compression — ideal for high-resolution listening
- Low impedance and high sensitivity make them easy to drive from portable DACs and digital audio players
- Find your perfect seal and isolation with a range of ear adapter options
- Lightweight design reduces fatigue during extended listening
- Flexible connectivity across portable players, DACs and high-end headphone systems
Specifications
| Driver | 7mm TrueResponse Extra Wide Band dynamic transducer |
| Resonator technology | X3R Triple-Resonator Chamber (three Helmholtz resonators) |
| Frequency response | 5Hz – 48,000Hz |
| Total harmonic distortion | Below 0.05% at 1kHz / 94dB |
| Housing material | Precision-machined aluminium |
| Connector type | Gold-plated Fidelity+ MMCX |
| Supplied cables | 2.5mm balanced, 3.5mm unbalanced, 4.4mm balanced (para-aramid reinforced) |
| Earpiece weight | Approx. 4g each (without cable) |
What You'll Receive
- Sennheiser IE 900 in-ear headphones
- Three detachable cables (2.5mm balanced, 3.5mm unbalanced and 4.4mm balanced)
- Silicone and memory foam ear adapters in Small, Medium and Large sizes
- Premium carry case
Ideal For
Perfect for audiophiles and serious listeners who want the portability of an in-ear design without compromising on precision — especially those using high-resolution digital audio players, DACs and headphone amplifiers.
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FREE Next Day Delivery on orders over £49.99.
Order before 4:00 p.m. Monday–Thursday for delivery the next working day.
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FREE Standard Delivery on orders over £19.99.
Delivery within 1–2 working days. Orders under £19.99 are £1.99, also delivered within 1–2 working days.
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Express / Saturday Delivery – £4.99.
Order before 4:00 p.m. on Friday and select Express Delivery for Saturday delivery.
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Weekend orders.
Orders placed on Saturday or Sunday are processed on Monday. Next Day Delivery does not include weekends. Working days are Monday–Friday, excluding public holidays.
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Delivery areas.
Next Day Delivery is available to mainland UK, excluding AB, IV, KW, PA, PH, HS, KA, ZE, PO30–PO41, IM, JE, GY, BT and TR21–TR25. Delivery to these areas may take 3–5 working days.
| SKU: |
ecat |
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| EAN/UPC: |
615104349728 |
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Buy now, pay later interest free instalments.
No hidden fees. This is a credit product. 18+.
Pay every 2 weeks in 4 interest-free payments.
Clearpay credit subject to status. Use responsibly as late fees up to £24 per order apply, which may impact your future access to credit. T&Cs apply.
Klarna's Pay in 3 / Pay in 30 days are unregulated credit agreements. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Late fees may apply.
Buy now, pay later interest free instalments.
No hidden fees. This is a credit product. 18+.
What's in the box
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Essential accessories
All required accessories included.
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12 months warranty
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