{"product_id":"sennheiser-hdb-630-wireless-headphones","title":"Sennheiser HDB 630 Wireless Headphones","description":"\u003ch2\u003eEnjoy high-resolution, neutral sound — anywhere\u003c\/h2\u003e \u003cp\u003eMeet the \u003cstrong\u003eSennheiser HDB 630 Wireless Headphones\u003c\/strong\u003e — a closed-back, over-ear design that delivers true audiophile performance with the freedom of wireless listening. Featuring Sennheiser’s in-house 42 mm transducer, advanced adaptive noise cancellation, and the included \u003cstrong\u003eBTD 700 Bluetooth® USB-C Dongle\u003c\/strong\u003e, the HDB 630 brings reference-grade sound to your phone, tablet, or laptop. Enjoy up to \u003cstrong\u003e60 hours of battery life\u003c\/strong\u003e and studio-level control through the Smart Control Plus App’s parametric EQ and crossfeed tools.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003cstrong\u003eNeutral, high-resolution tuning —\u003c\/strong\u003e 42 mm Sennheiser transducer delivers lifelike mids, precise detail, and an expansive soundstage.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eBTD 700 Dongle included —\u003c\/strong\u003e unlocks aptX™ HD and aptX™ Adaptive high-res Bluetooth for phones, tablets, and computers.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eParametric EQ \u0026amp; Crossfeed —\u003c\/strong\u003e shape your sound and recreate speaker-like imaging using the Smart Control Plus App.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAdaptive Noise Cancellation —\u003c\/strong\u003e powerful yet transparent, maintaining dynamics and tonal balance.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eMulti-connection options —\u003c\/strong\u003e USB-C, analog 3.5 mm, or Bluetooth 5.2 for lossless and wireless flexibility.\u003c\/li\u003e \u003cli\u003e \u003cstrong\u003eAll-day comfort —\u003c\/strong\u003e 311 g lightweight frame, plush leatherette pads, and up to 60 hours per charge.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eDesigned for true portable fidelity\u003c\/h3\u003e \u003cp\u003eSerious listening no longer requires racks of gear. The HDB 630 redefines portable audiophile sound with the same composure and neutrality enthusiasts expect from Sennheiser’s wired models. Pair the BTD 700 Dongle for instant hi-res performance across platforms and enjoy a complete acoustic chain engineered for balance, clarity, and realism — whether you’re at home, in the office, or on a flight.\u003c\/p\u003e \u003ch3\u003ePrecision control with advanced DSP\u003c\/h3\u003e \u003cp\u003eUsing the Smart Control Plus App, the HDB 630 gives you full parametric equalization and crossfeed control. Fine-tune frequency ranges, bandwidth, and filter types for exact tonal shaping — from subtle vocal refinement to bass extension. Crossfeed brings a natural stereo image to older recordings while preserving phase integrity, making these headphones uniquely capable for both critical and casual listening.\u003c\/p\u003e \u003ch3\u003eComfort and endurance for every journey\u003c\/h3\u003e \u003cp\u003eA refined Japanese-leatherette headband, generous earpads, and low clamping force make long sessions effortless. With 60 hours of playback and rapid USB-C charging, the HDB 630 is built for marathon playlists, travel days, and studio-length editing sessions.\u003c\/p\u003e \u003ch3\u003eSound signature: Neutral done right\u003c\/h3\u003e \u003cp\u003eThe HDB 630’s tuning emphasizes fast, controlled bass, lifelike mids, and smooth treble that retains air without fatigue. Compared to the Momentum 4, it’s a more reference-oriented sound — less coloration, more precision, and a wider, more natural stage.\u003c\/p\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003ctable style=\"width: 100%; border-collapse: collapse; font-family: system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif; font-size: 14px; line-height: 1.5; color: #111;\"\u003e \u003cthead\u003e \u003ctr style=\"background: #f7f7f7; text-align: left;\"\u003e \u003cth style=\"padding: 10px; border: 1px solid #eaeaea; width: 42%;\"\u003eSpecification\u003c\/th\u003e \u003cth style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eDetails\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eArticle Number (SKU)\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003e700445\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eType\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eClosed-back, over-ear, wireless\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eTransducer\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eElectrodynamic (moving coil)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eDriver Diameter\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003e42 mm (in-house Sennheiser)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eFrequency Response\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003e6 Hz – 40 kHz (USB \/ Line-In \/ aptX Adaptive)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eNominal Impedance\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003e480 Ω (active)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eSound Pressure Level (SPL)\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003e105 dB (1 kHz \/ 0 dBFS)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eTHD\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003e\u0026lt; 0.2 % (1 kHz \/ 100 dB SPL)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eResolution\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eUp to 24-bit \/ 96 kHz (via USB-C or BTD 700)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eConnectivity\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eBluetooth 5.2 \/ USB-C \/ 3.5 mm analog input\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eCodec Support\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eaptX™ Adaptive, aptX™ HD, aptX™, AAC, SBC\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eNoise Cancellation\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eAdaptive ANC with Transparency mode\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eBattery Life\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eUp to 60 hours (USB-C charging)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eWeight\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003e311 g (without cable)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eEar Pad Material\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eLeatherette (synthetic)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eAudio Cable\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003e1.20 m detachable 3.5 mm (right side)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eUSB Cable\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003e1.20 m USB-C to USB-C (audio + charging)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eIncluded Dongle\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eBTD 700 Bluetooth® USB-C Dongle\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ch3\u003eWhat’s in the Box\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eHDB 630 closed-back wireless headphones\u003c\/li\u003e \u003cli\u003eBTD 700 Bluetooth® USB-C dongle\u003c\/li\u003e \u003cli\u003e1.20 m USB-C to USB-C audio \/ charging cable\u003c\/li\u003e \u003cli\u003e1.20 m audio cable with 3.5 mm plug\u003c\/li\u003e \u003cli\u003eIn-flight adapter\u003c\/li\u003e \u003cli\u003eCarrying case\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCompare to Similar Models\u003c\/h3\u003e \u003ctable style=\"width: 100%; border-collapse: collapse; font-family: system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif; font-size: 14px; line-height: 1.5; color: #111; margin-top: 1.5em;\"\u003e \u003cthead\u003e \u003ctr style=\"background: #f7f7f7; text-align: left;\"\u003e \u003cth style=\"padding: 10px; border: 1px solid #eaeaea; width: 24%;\"\u003eModel\u003c\/th\u003e \u003cth style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eDesign\u003c\/th\u003e \u003cth style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eCodec Support\u003c\/th\u003e \u003cth style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eBattery Life\u003c\/th\u003e \u003cth style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eSound Signature\u003c\/th\u003e \u003cth style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003ePrice (USD)\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eSennheiser HDB 630\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eClosed-back Wireless Over-Ear\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eaptX Adaptive \/ HD \/ AAC \/ SBC\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eUp to 60 hours\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eNeutral Reference Tuning\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003e$499 (estimated)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eSennheiser Momentum 4\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eClosed-back Wireless Over-Ear\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eaptX Adaptive \/ AAC \/ SBC\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eUp to 60 hours\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eWarm Balanced\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003e$379\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eBowers \u0026amp; Wilkins Px7 S2e\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eClosed-back Wireless Over-Ear\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eaptX Adaptive \/ AAC \/ SBC\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eUp to 30 hours\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eWarm Dynamic\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003e$399\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eSony WH-1000XM5\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eClosed-back Wireless Over-Ear\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eLDAC \/ AAC \/ SBC\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eUp to 30 hours\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003eSmooth V-Shaped\u003c\/td\u003e \u003ctd style=\"padding: 10px; border: 1px solid #eaeaea;\"\u003e$399\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e","brand":"Opalisse","offers":[{"title":"Default Title","offer_id":54132761133348,"sku":"700445","price":69.99,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1010\/8731\/4212\/files\/Sennheiser_HDB_630_1024x1024_9a013b90-9dee-4511-acbd-b49dadc94ce8.jpg?v=1780069770","url":"https:\/\/opalisse.shop\/products\/sennheiser-hdb-630-wireless-headphones","provider":"Opalisse","version":"1.0","type":"link"}