Open Box
Product has been tested, checked, and thoroughly inspected to meet the same high-quality standards as our new products. It includes all accessories and cables and is backed by our 1 year Manufacturer Warranty.
HD 400 Open Box
Take your sound anywhere.
Open Box
Product has been tested, checked, and thoroughly inspected to meet the same high-quality standards as our new products. It includes all accessories and cables and is backed by our 1 year Manufacturer Warranty.
Lightweight, foldable headphones with a choice in connectivity
The HD 400 Series features a one-button smart remote, which allows you to control music and take calls with ease, and the sturdy folding design makes these headphones durable and compact enough to be taken anywhere. Choose between a traditional 3.5mm audio jack cable with the HD 400S, or a USB-C cable for all of your devices with the HD 400U.
For a unique listening experience
Sennheiser’s dynamic drivers deliver a well-extended sound response with dynamic bass for a unique listening experience and closed-back around-ear headphones reduce unwanted background noise for your comfort.
Specifications
What's included
For the HD 400S (3.5mm plug version):
For the HD 400U (USB-C plug version):
HD 400 S Downloads
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