{"product_id":"sennheiser-hdb-630-wireless-audiophile-headphones-with-btd-700-bluetooth®-usb-c-dongle-clearance-open-box","title":"Sennheiser HDB 630 Wireless Audiophile Headphones with BTD 700 Bluetooth® USB-C Dongle - Clearance \/ Open Box","description":"\u003ch3\u003eSennheiser HDB 630 Wireless Audiophile Headphones with BTD 700 Bluetooth® USB-C Dongle\u003c\/h3\u003e \u003cp\u003eExperience uncompromising high-resolution audio with the \u003cstrong\u003eSennheiser HDB 630\u003c\/strong\u003e — a closed-back, wireless audiophile headphone built for those who demand studio-grade sound without cables. Featuring Sennheiser’s in-house 42 mm transducer and the included \u003cstrong\u003eBTD 700 Bluetooth® USB-C Dongle\u003c\/strong\u003e, this headset delivers pristine detail, natural balance, and lifelike mids anywhere you go. With \u003cstrong\u003eadaptive noise cancellation\u003c\/strong\u003e, a \u003cstrong\u003eparametric equalizer\u003c\/strong\u003e, and \u003cstrong\u003eup to 60 hours of battery life\u003c\/strong\u003e, the HDB 630 offers total control, comfort, and clarity for both critical listening and casual enjoyment.\u003c\/p\u003e \u003ch4\u003eSpecifications\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTransducer\u003c\/strong\u003e: 42 mm Sennheiser dynamic driver\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDesign\u003c\/strong\u003e: Closed-back, over-ear\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBluetooth Dongle\u003c\/strong\u003e: BTD 700 Bluetooth® USB-C included\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAudio Codecs\u003c\/strong\u003e: aptX™ HD, aptX™ Adaptive, SBC, AAC\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFrequency Response\u003c\/strong\u003e: Neutral tuning with fast bass, lifelike mids, and balanced treble\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConnectivity\u003c\/strong\u003e: Bluetooth®, USB-C, 3.5 mm analog input\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSampling Rate\u003c\/strong\u003e: Up to 24-bit\/96 kHz via USB-C\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eNoise Cancellation\u003c\/strong\u003e: Adaptive Active Noise Cancellation (ANC)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEqualization\u003c\/strong\u003e: Advanced parametric equalizer and crossfeed via Smart Control Plus App\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBattery Life\u003c\/strong\u003e: Up to 60 hours\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 311 g (without cable)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCables\u003c\/strong\u003e: 1.20 m USB-C to USB-C, 1.20 m 3.5 mm analog cable\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIncluded Accessories\u003c\/strong\u003e: In-flight adapter, carrying case, BTD 700 dongle, audio cables\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSKU\u003c\/strong\u003e: 700445\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eExpanded Key Features List\u003c\/h4\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e42 mm Sennheiser Transducer\u003c\/strong\u003e: Produces studio-grade sound with stunning detail, natural mids, and wide soundstage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-Resolution Wireless Streaming\u003c\/strong\u003e: Enjoy aptX™ HD and aptX™ Adaptive support for crystal-clear, lag-free audio.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBTD 700 Bluetooth® USB-C Dongle\u003c\/strong\u003e: Ensures audiophile-quality wireless connectivity on laptops and mobile devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eParametric Equalizer \u0026amp; Crossfeed\u003c\/strong\u003e: Customize frequency curves and stereo width for your perfect listening experience.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdaptive Noise Cancellation\u003c\/strong\u003e: Blocks ambient distractions while preserving tonal accuracy and clarity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e60-Hour Battery Life\u003c\/strong\u003e: Offers extended playtime for uninterrupted listening across days of use.\u003c\/li\u003e \u003c\/ul\u003e \u003ch4\u003eQ\u0026amp;A Section\u003c\/h4\u003e \u003cp\u003e\u003cstrong\u003eQ: What makes the HDB 630 an audiophile-grade wireless headphone?\u003c\/strong\u003e\u003cbr\u003eA: It uses Sennheiser’s proprietary 42 mm transducer and supports high-resolution codecs like aptX™ HD and Adaptive for pure, detailed sound.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: What is included with the HDB 630?\u003c\/strong\u003e\u003cbr\u003eA: The package includes the headphones, BTD 700 Bluetooth® USB-C dongle, USB-C and analog cables, an in-flight adapter, and a carrying case.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: How long does the battery last?\u003c\/strong\u003e\u003cbr\u003eA: The HDB 630 offers up to 60 hours of continuous playback on a single charge.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: Can I adjust the sound profile?\u003c\/strong\u003e\u003cbr\u003eA: Yes, you can fine-tune your audio using the parametric equalizer and crossfeed features via the Smart Control Plus App.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: Does it support wired listening?\u003c\/strong\u003e\u003cbr\u003eA: Absolutely. You can connect via USB-C or the included 3.5 mm analog cable for lossless audio playback up to 24-bit\/96 kHz.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: How effective is the noise cancellation?\u003c\/strong\u003e\u003cbr\u003eA: The adaptive ANC adjusts to your environment, blocking out distractions without compromising sound fidelity.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: Is the HDB 630 comfortable for long listening sessions?\u003c\/strong\u003e\u003cbr\u003eA: Yes, its lightweight 311 g frame and padded earcups are designed for extended wear with minimal fatigue.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ: What devices work best with the BTD 700 dongle?\u003c\/strong\u003e\u003cbr\u003eA: Any device with a USB-C port, including laptops, tablets, and smartphones, can use the dongle for high-quality wireless audio streaming.\u003c\/p\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":62660555899039,"sku":"SEN-OBX-HDB630-BLK","price":399.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0495\/6910\/4031\/files\/1b0b6412-a49e-4ef3-bcd9-23e5e8bf76a2.jpg?v=1769616091","url":"https:\/\/listenup.com\/products\/sennheiser-hdb-630-wireless-audiophile-headphones-with-btd-700-bluetooth%c2%ae-usb-c-dongle-clearance-open-box","provider":"ListenUp","version":"1.0","type":"link"}