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Sound that stays true
Hear music the way the artist intended.
At the heart of the HD 400U is the Signature Sennheiser Sound. Carefully tuned to be balanced and natural, it reveals emotional detail that standard headphones often miss. Clear and expressive mids, shimmering highs, and deep yet controlled bass combine to create a listening experience that feels authentic, immersive, and true to the music.
Instant digital connection
Plug and play simplicity that lets the music speak.
The USB-C digital connection delivers uncompressed audio directly from your device to your ears. With no pairing rituals or batteries to manage, the HD 400U offers a reliable, plug-and-play experience across compatible smartphones, tablets, laptops, and computers. Just connect and press play.
Instant digital connection
Comfortable design, ideal to carry around.
Lightweight and secure, the HD 400U is built for hours of comfortable listening. The closed-back over-ear design provides passive noise isolation while allowing the sound to breathe. Soft, replaceable ear pads and a foldable construction make it ideal for work, travel, and everyday use.
Instant digital connection
Flexible and functional
The removable cable system gives you the freedom to adapt to different devices. Use the included USB-C cable with an inline remote and microphone for calls and playback, or switch to an optional analog cable when needed.
*Images are for illustration purposes only
| Brand | Sennheiser |
|---|---|
| Colour | Black |
| Model | 800126 |
| Product-Type | Over-Ear Headphones |
| USB | 1 x USB-C |
|---|
| Impedance | 18 Ohm |
|---|
| Weight (kg) | 0.217 |
|---|
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All items available for online purchase are not guaranteed to be in stock at the time of order processing. If we are unable to fulfill your order, you will be offered an alternative or given a refund for the unavailable product.
Self Collect: Ready for collection within 1-3 Working days from the date of your order notification confirmation. Or 2-4 Working days for orders made on Public Holidays, Saturday and Sunday. Subjected to stock availability. Self collection ONLY applies for selected Small Items.
Small Items: Delivery estimate of 2-7 Working days from the date of your order. Excluding Saturday, Sunday and Public Holidays. Subjected to stock availability. Delivery will be facilitated by SingPost and local couriers.
Large / Bulky Items: Delivery estimate of 7-14 Working days from the date of your order. Excluding Sunday and Public Holidays. Subjected to stock availability. Delivery will be facilitated by Harvey Norman.
Delivery cost does not include installation/dismantling/carrying up or down by staircase. Installation/Dismantling cost and any other 3rd party cost applies separately.
Questions? You can refer to the FAQ here.
Or Contact our Customer Service Team using the Contact Us Form.
Mon to Fri, 11am to 6pm
With Product CareTM you have certainty that your product is covered for a specific period of time. If, during the Product CareTM term, your product fails to operate as a result of an Eligible Fault*, we will provide a one-off replacement of Your Product.
Our experienced support team ensures that the assessment, replacement or remedy process under your Product CareTM is a convenient experience. Whether you are experiencing a product fault or needing toll free technical assistance, our team is here to provide support every step of the way.
Redeem exclusive Additional Benefits which will help you maintain your product and assist in an additional purchase.
There are exclusions and limitations to Product CareTM. This section should always be read in conjunction with the Terms and Conditions for Product CareTM.
Learn more about Product CareTM.
If you feel your product has failed a Consumer Guarantee (as defined by Singapore Lemon Law) then don't worry, we've got you covered. We believe that in order to have the best possible online shopping experience, our customers should not have to pay for return shipping. (conditions apply).
Avoid shipping charges and pick up your order quickly and easily from your nearby Harvey Norman store. Simply buy online, select the Free pick up in store option and head to your nearest store to pick up your order.
We have over 12 locations across Singapore offering you a great, local shopping experience. Visit your nearby store for demonstrations and advice across our great product range and rest assured that when you purchase from Harvey Norman online, mobile or in store, you can contact your local store at any time for assistance with your purchase. Find your nearest store.
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