Sennheiser HDB 630 Wireless Over-Ear Headphones - Black (700445) | Like New
SKU: 700445-LN
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Overview of Sennheiser HDB 630 Wireless Over-Ear Headphones - Black (700445) | Like New
The Sennheiser HDB 630 Wireless Over-Ear Headphones – Black (700445) are premium closed-back headphones for audiophiles that combine studio-quality sound with wireless convenience in high definition. They provide a neutral, highly detailed character with lifelike mids, extended bass and a spacious soundstage—perfect for critical listening, lengthy music sessions and high-fidelity streaming on the move. They are built around Sennheiser's in-house 42 mm dynamic transducer. The HDB 630 provides listeners with various routes to high-resolution audio by supporting Bluetooth 5.2 with aptX Adaptive, aptX HD, aptX, AAC and SBC, as well as wired USB-C and analog inputs up to 24-bit/96 kHz. With their class-leading 60-hour battery life, strong parametric EQ with crossfeed and adaptive noise cancellation, these headphones are a flexible daily driver for discriminating listeners who want significant stamina, deep customization and top-notch sound in a sleek black over-ear style.
Key Features of Sennheiser HDB 630 Wireless Over-Ear Headphones
• Over-ear, closed-back wireless headphones with 42 mm electrodynamic transducer tuned for neutral, natural audiophile sound.
• Hi-res playback up to 24-bit/96 kHz via USB-C, analog input, or the included BTD 700 Bluetooth USB-C dongle.
• Bluetooth 5.2 connectivity with codec support for aptX Adaptive, aptX HD, aptX, AAC and SBC.
• Adaptive active noise cancellation with transparency mode and built-in microphones for calls.
• Parametric EQ and band EQ (5 bands) plus crossfeed effect via Sennheiser’s SmartControl/SmartControl Plus app for advanced sound shaping.
• Up to 60 hours of battery life on a single charge with fast charging for hours of playback in about 10 minutes.
• Leatherette (synthetic) ear pads and around-ear fit for comfort over long listening sessions; weight around 311 g (11 oz) without cable.
• Included accessories: BTD 700 USB-C dongle, 1.20 m USB-C audio/charging cable, 1.20 m 3.5 mm analog cable, in-flight adapter and carrying case.
Benefits of Sennheiser HDB 630 Wireless Over-Ear Headphones
🗹 Delivers true audiophile-grade sound in a wireless ANC form factor, letting you enjoy high-resolution, neutral playback without being tethered.
🗹 Gives you flexible listening options—USB-C, analog, or Bluetooth—so you can optimize sound quality across phones, tablets, laptops and hi-fi sources.
🗹 Blocks distractions with adaptive noise cancellation while preserving clarity and dynamics, making them ideal for commuting, travel and open offices.
🗹 Lets you tailor the sound precisely with parametric EQ, band EQ and crossfeed, turning the HDB 630 into a personalized reference headphone.
🗹 Supports marathon listening sessions thanks to 60-hour battery life, fast charging and comfortable over-ear ergonomics.
🗹 Includes a hi-res USB-C dongle and full accessory kit, making it a ready-to-go solution for high-fidelity listening anywhere.
Specifications
Specifications for Sennheiser HDB 630 Wireless Over-Ear Headphones - Black (700445) | Like New
| Manufacturer | Sennheiser |
| Manufacturer Part Number | 700445 |
| Product Name | Sennheiser HDB 630 Wireless Over-Ear Headphones |
| Product Type | USB-C Bluetooth adapter / wireless dongle |
| Color | Black |
| Headphone Type | Closed-back wireless over-ear headphones |
| Wearing Style | Headband stereo headphones |
| Ear Coupling | Around-the-ear, circum-aural |
| Acoustic Design | Closed-back |
| Transducer Type | Dynamic / electrodynamic moving coil |
| Driver Size | 42 mm |
| Bluetooth Version | Bluetooth 5.2 |
| Wireless Codec Support | aptX Adaptive, aptX HD, aptX, AAC, SBC |
| Supported Profiles | A2DP, AVRCP, HFP |
| Frequency Response, Bluetooth / Analog | 6 Hz to 22 kHz |
| Frequency Response, USB | 6 Hz to 40 kHz |
| Resolution Support | Up to 24-bit / 96 kHz via USB-C, analog input, or BTD 700 Bluetooth USB-C dongle |
| Nominal Impedance | Active 480 ohms |
| Sound Pressure Level | 105 dB SPL (1 kHz / 0 dBFS) |
| Total Harmonic Distortion | Less than 0.2% (1 kHz / 100 dB SPL) |
| Active Noise Cancellation | Hybrid Adaptive ANC |
| Microphone Type | MEMS |
| Microphone Frequency Range | 50 Hz to 10 kHz |
| Microphone Pickup Pattern | 2 microphones per side, beamforming for noise reduction |
| Battery Life | Up to 60 hours of music playback via Bluetooth with ANC |
| Battery Type | Built-in lithium-ion rechargeable batteries |
| Battery Capacity | 700 mAh |
| Charging Time | Approx. 2 hours for full charge |
| Fast Charge | 10 minutes charging for up to 7 hours playtime |
| Power Supply | 5 V DC, 750 mA max, USB-C charging |
| Charging Interface | USB-C socket |
| Audio Cable | 1.20 m detachable cable with 3.5 mm plug |
| USB Cable | 1.20 m USB-C to USB-C cable |
| Included Dongle | BTD 700 Bluetooth USB-C dongle |
| Additional Included Accessory | In-flight adapter |
| Carrying Case | Included |
| Ear Pad Material | Leatherette / synthetic |
| App Support | Sennheiser Smart Control Plus app for iOS and Android |
| Weight | 311 g without cable |
| Folded Dimensions | 180 x 195 x 51 mm |
| Operating Temperature | 0°C to +40°C |
| Charging Temperature | +10°C to 40°C |
| Storage Temperature | -20°C to 60°C |
| Operating Humidity | 10% to 80% non-condensing |
| Storage Humidity | 10% to 90% non-condensing |
| Magnetic Field Strength | 6.25 mT |
User Guides
Frequently Asked Questions
Sennheiser HDB 630 Wireless Over-Ear Headphones
Frequently Asked Questions (FAQ's)
What are the Sennheiser HDB 630 headphones used for?
They are wireless over-ear headphones designed for premium audio listening, entertainment and communication.
Do they support Bluetooth connectivity?
Yes, they use Bluetooth wireless technology for cable-free audio streaming.
Are they over-ear headphones?
Yes, they feature an over-ear closed-back headphone design.
Can they reduce outside noise?
Yes, the closed-back design helps reduce surrounding distractions.
Are they suitable for travel and commuting?
Yes, wireless connectivity and comfortable design make them ideal for travel use.
Can they be used for virtual meetings?
Yes, they support multimedia and communication applications.
Is the audio quality high?
Yes, Sennheiser is known for premium sound clarity and balanced audio performance.
Do they include playback controls?
Yes, integrated controls allow audio and call management.
Are they comfortable for long listening sessions?
Yes, cushioned earcups and ergonomic design support extended use.
Can they connect to smartphones and tablets?
Yes, they support Bluetooth-enabled mobile devices.
Are they suitable for office environments?
Yes, they are ideal for offices, remote work and personal listening.
Can they support multimedia playback?
Yes, they are optimized for music, videos and entertainment applications.
Do they provide strong bass performance?
Yes, they deliver balanced audio with deep bass response.
Are they durable for daily use?
Yes, they are built for reliable long-term wireless performance.
Can they be used with laptops?
Yes, they support Bluetooth-enabled laptops and computers.
Do they support hands-free communication?
Yes, integrated controls support call management functions.
Are they lightweight?
Yes, they are designed for portable and comfortable everyday use.
Can they improve listening focus?
Yes, the over-ear design helps minimize distractions during listening.
Are they compatible with modern wireless devices?
Yes, they work with most Bluetooth-enabled devices and platforms.
Are they future-proof?
Yes, wireless Bluetooth connectivity and premium audio performance support modern entertainment and communication needs.