The HD 400S Around-Ear Headphones from Sennheiser features a one-button smart remote conveniently located on the cable that allows you to control music and take telephone calls on smartphones, tablets, MP3 players, and audio recorders. The sturdy folding design makes these headphones durable and compact enough to be taken anywhere. The dynamic drivers deliver a well-extended sound response with dynamic bass. The included detachable cable with a one-button remote terminates with a right angled 3.5mm mini-jack.

Closed-Back Around-Ear Design    18 Hz to 20 kHz Frequency Response    Reduces Unwanted Background Noise    4.6' Cable with Mic and 1-Button Remote    Foldable Headphones for Easy Storage    Compact and Foldable    3.5mm Right Angled Plug

Renowned Sennheiser sound quality for well-extended sound with dynamic bass

Built-in microphone and 1-button remote for call and music control

Closed-back around-ear headphones reduce unwanted background noise for your comfort

Lightweight, foldable headphones for easy on-the-go storage

Related Questions and Answers

Q: 1. Will the antenna work with the Mars M2-Pro?

A: Hi Kimberlee, yes of course, if you meant Mars 300 Pro. Actually it works with all the Mars wireless video transmitter.

Q: 2. how many kits can be used simultaneously?

A: Hi Carlos, Up to 3 sets can be used in the same location. Choose different frequency channels with the number difference between each two channels bigger than 2 Place each RX at least 0.5m away from the other Place all RX 1.7m above the ground

Q: 3. Where can I get replacement headband padding for the Sennheiser HD280 Pro?

A: Please contact Sennheiswer directly for details: Sennheiser:Tel: (860) 434-9190 e-mail form: en-us.sennheiser{dot com}/contact-center

Q: 4. Greetings. Just to be sure, please recommend whether this plug and or adaptor will fit the headphone jack in a New Mac Pro ???thanks

A: The Sennheiser HD 280 feature a 3.5mm stereo mini plug connection that is compatible with the headphone output on a Mac Pro, as well as many other portable devices. A 1/4 adapter is also included for connection to home theater receivers as well as Pro Audio equipment.

Q: 5. Will this be fine for the new mars 400S Pro II?

A: Yes, the Hollyland Carrying Case for Mars 300/400/400S/400S Pro is compatible with the new Hollyland Mars 400S PRO SDI/HDMI Wireless Video Transmission System.

Q: 6. Are these confirmed to work with the 300 Pro model?

A: Hi Leslie, yes, of course.

Q: 7. Will this antenna work with the Mars M2-Pro model?

A: Hi Kimberlee, yes, it works with all our Mars wireless video transmitter system.

Q: 8. Are these 40 or 50mm drivers ?

A: These are 38mm drivers.

Q: 9. How big are the ear cups for big ears?

A: I'd say they would be fine, they also allow for my glasses.

Q: 10. Are these suitable for portable devices or do they run batteries down quickly?

A: Yes, they are suitable for portable devices. I haven't noticed a difference in battery life while using the headphones.