{"product_id":"sennheiser-hd-400u-wired-usb-c-over-ear-headphones-hi-res-24-bit-96khz-digital-audio-noise-isolating-closed-back-design-with-in-line-mic-and-remote-for-iphone-15-16-android-laptop-pc","title":"Sennheiser HD 400U Wired USB-C Over-Ear Headphones – Hi-Res 24-bit\/96kHz Digital Audio, Noise-Isolating Closed-Back Design with In-Line Mic and Remote for iPhone 15\/16, Android, Laptop \u0026 PC","description":"\u003ch2\u003eSennheiser HD 400U USB-C Wired Over-Ear Headphones\u003c\/h2\u003e\n\u003cp\u003eFor over 80 years, Sennheiser has been synonymous with exceptional audio quality and true sound reproduction. The Sennheiser HD 400U headphones continue this proud legacy, offering the iconic Signature Sennheiser Sound through a convenient, modern USB-C connection. Say goodbye to Bluetooth pairing hassles and battery worries—experience pure, uncompressed digital audio instantly with plug-and-play simplicity. Ideal for music lovers, gamers, and professionals seeking reliable wired headphones with superior sound clarity.\u003c\/p\u003e\n\u003c!-- Placeholder for image; replace src with actual image URL in Shopify --\u003e\n\u003cdiv style=\"text-align: start;\"\u003eSennheiser HD 400U Headphones - Signature Sound and Comfort Design\u003c\/div\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003c\/div\u003e\n\u003ch3\u003eKey Features of Sennheiser HD 400U Wired Headphones\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignature Sennheiser Sound:\u003c\/strong\u003e Enjoy balanced audio tuning with crystal-clear mids, detailed highs, and controlled bass for an immersive listening experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB-C Digital Plug-and-Play Connection:\u003c\/strong\u003e Delivers stable, uncompressed sound without the need for pairing or charging—perfect for laptops, smartphones, and tablets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Cable System:\u003c\/strong\u003e Flexibility to use the included USB-C cable or switch to an optional analog cable for versatile connectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline Remote \u0026amp; Microphone:\u003c\/strong\u003e Effortlessly handle calls, control music playback, and manage volume with built-in controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClosed-Back Over-Ear Comfort:\u003c\/strong\u003e Lightweight, foldable design with passive noise isolation and soft, replaceable ear pads for all-day comfort.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to Last:\u003c\/strong\u003e Constructed with durable materials for everyday reliability and long-term use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether you're streaming music, taking video calls, or gaming, the Sennheiser HD 400U over-ear headphones provide high-fidelity sound and comfort without compromises. Optimized for USB-C devices, these wired headphones ensure low-latency audio transmission for a seamless experience.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eEar Coupling\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eOver-ear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eTransducer Principle\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eDynamic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eAcoustic Principle\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eClosed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003ePlug\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eUSB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eCable Length\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e1.4 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eWeight (Headphone)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e217 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHeadphones - Frequency Response\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e18 – 20,000 Hz (-10 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHeadphones - Impedance\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e18 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHeadphones - Sound Pressure Level (SPL)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e120 dB SPL @ 1 kHz, 1V RMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eHeadphones - Total Harmonic Distortion (THD)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e\u0026lt;0.5% (1 kHz, 100 dB SPL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMicrophone - Frequency Response\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e100 – 10,000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMicrophone - Pick-up Pattern\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eOmni-directional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003eMicrophone - Sound Pressure Level (SPL)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px;\"\u003e-44 dBV\/Pa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat's Included in the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne pair of Sennheiser HD 400U over-ear headphones\u003c\/li\u003e\n\u003cli\u003eOne USB-C cable with inline remote and microphone\u003c\/li\u003e\n\u003cli\u003eA quick guide to get you started\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUpgrade your audio setup with the Sennheiser HD 400U—premium USB-C wired over-ear headphones designed for unparalleled sound quality and comfort. Perfect for everyday use in home offices, travel, or entertainment.\u003c\/p\u003e","brand":"Sennheiser","offers":[{"title":"USB-C","offer_id":50933034221874,"sku":null,"price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1693\/7347\/files\/cL2AcXp4bYa.jpg?v=1772100484","url":"https:\/\/www.mtmtaudio.com\/products\/sennheiser-hd-400u-wired-usb-c-over-ear-headphones-hi-res-24-bit-96khz-digital-audio-noise-isolating-closed-back-design-with-in-line-mic-and-remote-for-iphone-15-16-android-laptop-pc","provider":"MTMTaudio","version":"1.0","type":"link"}