Sennheiser IE 900 Premium In-Ear Headphones
- Free Mainland UK Shipping on orders over £100
- Official Hi-Fi Retailer since 1973
- Usually in stock and dispatched in 1-5 working days
We offer free delivery on all orders over £100 to mainland UK. Orders under £100 are subject to a £6.50 shipping charge.
Delivery is available across mainland UK. If you are located outside mainland UK and would like a shipping quote, please get in touch before placing your order.
We aim to dispatch in-stock items as soon as possible provided that we physically have the stock - but please note that sometimes we have to order from our supplier for certain products, in which case delivery should take place within 1-5 working days of the order being placed.
Tracking details or estimated delivery timescales will be provided once your order has been processed. If there are any delays due to stock availability, we will contact you as soon as possible with the option to wait or receive a full refund.
Please note that certain products may be subject to specific distance selling or delivery regulations. If you are unsure about a product or its delivery terms, we recommend contacting us before purchase.
You can cancel your order within 14 days of receiving your goods, in line with UK distance selling regulations. Once you’ve notified us, you have a further 14 days to return the item. Please contact us by email, phone or in writing before sending anything back.
Items must be returned in original condition and packaging, including all accessories, manuals and any promotional items. The cost of return is your responsibility and we strongly recommend insuring the goods, as refunds cannot be issued for damaged or incomplete returns. If items show excessive handling, are missing components, or cannot be resold as new, a reasonable deduction may be made.
Please note that used headphones (for hygiene reasons) and custom or special-order items cannot be returned. If you need assistance arranging a return, we’re always happy to help.
Product Summary
The Sennheiser IE 900 is a flagship in-ear headphone for customers who want truly high-end portable sound in a compact and beautifully engineered form. It is made for listeners who want their earphones to do far more than just sound clean and detailed, bringing the kind of balance, scale and refinement that makes serious listening possible almost anywhere.
What makes the IE 900 especially impressive is the way it achieves such a revealing sound from a single dynamic driver design. Sennheiser’s 7 mm TrueResponse transducer is paired with the company’s X3R triple-resonator chamber system, which is designed to reduce unwanted resonances and uncover more low-level detail without making the sound harsh or fatiguing. The result is a presentation that feels fast, open and highly resolved, but still natural and musically engaging.
It is also built to feel every bit as special as it sounds. The precision-milled aluminium housings, premium detachable cables and generous accessory pack all give it the feel of a genuinely serious long-term purchase rather than just another portable earphone. For customers wanting a reference-grade in-ear headphone with outstanding clarity, control and high-end build quality, the Sennheiser IE 900 is an excellent choice.
Key Benefits
- Flagship in-ear design delivers a truly serious audiophile listening experience in a compact format
- 7 mm TrueResponse transducer is designed for fast, accurate and highly detailed sound
- X3R triple-resonator chamber technology helps reduce masking effects and reveal more low-level detail
- Single dynamic driver design helps preserve coherence and tonal consistency across the frequency range
- Precision-milled aluminium housings give the earphones a highly durable and premium feel
- Gold-plated MMCX connectors add useful flexibility for cable changes and long-term ownership
- Supplied with 3.5 mm, 2.5 mm balanced and 4.4 mm balanced cables for wide source compatibility
- 2 years manufacturers warranty
Technical Specifications
Earphone Details
- Product Type: Wired in-ear headphones
- Driver: 7 mm TrueResponse transducer
- Acoustic Design: In-ear with X3R triple-resonator chamber technology
- Frequency Response: 5 Hz - 48,000 Hz
- Impedance: 18 ohms
- Housing Material: Precision-milled aluminium
- Connector Type: Gold-plated MMCX
- Cable 1: Para-aramid reinforced 3.5 mm cable
- Cable 2: Para-aramid reinforced 2.5 mm balanced cable
- Cable 3: Para-aramid reinforced 4.4 mm balanced cable
What’s in the Box
- Sennheiser IE 900 earphones
- 3.5 mm cable
- 2.5 mm balanced cable
- 4.4 mm balanced cable
- Premium carry case
- 3 pairs of silicone ear adapters (S, M, L)
- 3 pairs of foam ear adapters (S, M, L)
- Cable clip
- Cleaning tool
- Presentation box with signed customer certificate
- Product documentation
