Sennheiser HDB 630 Wireless Over Ear Headphones

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Meet the closed-back HDB 630. With the included BTD 700 Bluetooth® USB C Dongle, you’re free to enjoy glorious audiophile sound anywhere you go.

Sennheiser sets a new standard of wireless sound at this level with its clever bundled accessory. What Hi-Fi?


Sale price$799.00 Regular price$999.00
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Key features

Audiophile sound, cut loose

Closed-back design

42mm transducers

new parametric equalizer

Stay comfortable & stay connected

Sennheiser HDB 630 Wireless Over Ear Headphones

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Sennheiser HDB 630 Wireless Over Ear Headphones

The Sennheiser HDB 630 is designed for listeners who want true audiophile sound without being tied down by cables or bulky equipment. Traditionally, achieving high-resolution audio required expensive setups with amplifiers, DACs, and wired headphones. The HDB 630 changes that by combining premium wireless technology, advanced audio tuning, and studio-grade components in a single, elegant pair of headphones.

Built with Sennheiser’s renowned acoustic expertise, the HDB 630 delivers a perfectly balanced sound signature that reproduces music the way artists and engineers intended. From deep, controlled bass to lifelike vocals and crystal-clear treble, every element is tuned to reveal details that many wireless headphones simply miss.

These headphones are also engineered for versatility. Whether you’re traveling, working, or relaxing at home, the included BTD 700 Bluetooth® USB-C dongle ensures stable high-resolution audio with minimal latency. When you want the purest possible sound, you can also connect through USB-C or analog cable for lossless listening up to 24-bit/96 kHz.

Beyond sound quality, the HDB 630 focuses on comfort, convenience, and long listening sessions. With powerful adaptive noise cancellation, up to 60 hours of battery life, and advanced sound customization through a parametric equalizer, these headphones give you full control over your listening experience. The result is a headphone that blends audiophile performance, modern wireless freedom, and everyday practicality—making it a compelling choice for serious music lovers.

Sennheiser HDB 630 Wireless Over Ear Headphones

True Audiophile Sound with 42 mm Precision Transducer

At the heart of the HDB 630 is Sennheiser’s custom 42 mm dynamic transducer, engineered to produce an exceptionally balanced and detailed sound signature. The bass is deep and controlled, the midrange is natural and lifelike, and the treble remains smooth without becoming harsh.

This precise tuning allows listeners to hear subtle textures and details in music that are often lost in typical wireless headphones. Whether you're listening to orchestral music, vocals, or electronic tracks, the HDB 630 maintains clarity, depth, and a wide soundstage, creating a truly immersive listening experience.

Sennheiser HDB 630 Wireless Over Ear Headphones

High-Resolution Wireless Audio, aptX HD & Adaptive

The HDB 630 supports aptX™ HD and aptX™ Adaptive codecs, enabling wireless playback that closely matches the quality of wired audio. When paired with the included BTD 700 Bluetooth® USB-C dongle, the connection becomes more stable and capable of delivering high-resolution sound with minimal latency.

This means you can enjoy premium audio quality not only on smartphones but also on laptops, tablets, and other devices. The result is studio-grade wireless performance that brings out the full detail and dynamic range of your favorite music.

Sennheiser HDB 630 Wireless Over Ear Headphones

Lossless Listening via USB-C and Analog Connection

While the HDB 630 excels in wireless audio, it also offers multiple wired options for maximum sound purity. By connecting via USB-C, you can listen to high-resolution audio files up to 24-bit/96 kHz, ensuring every detail of the recording is preserved.

Additionally, the included 3.5 mm analog cable allows compatibility with virtually any audio device. This flexibility makes the HDB 630 perfect for audiophiles who want the freedom of wireless listening while still having access to true lossless wired playback when needed.

Sennheiser HDB 630 Wireless Over Ear Headphones

Parametric Equalizer & Crossfeed Control

Unlike standard headphones with basic EQ presets, the HDB 630 features a powerful parametric equalizer through the Smart Control Plus App. This allows you to fine-tune specific frequencies with precision, shaping the sound exactly to your personal taste or listening environment.

The crossfeed feature is another standout capability. It blends audio channels slightly to mimic the natural stereo imaging of speakers, which can make older recordings with extreme left-right separation sound more balanced and realistic. These advanced tools give users professional-level control over their listening experience.

Sennheiser HDB 630 Wireless Over Ear Headphones

Noise Cancellation for Distraction-Free Listening

The HDB 630 includes adaptive active noise cancellation (ANC) that intelligently reduces background noise without affecting the integrity of your music. Unlike many ANC systems that alter sound quality, Sennheiser’s implementation preserves clarity, dynamics, and tonal balance.

This makes the headphones ideal for flights, commuting, or working in busy environments. When you need awareness of your surroundings, transparency mode allows external sounds to pass through naturally, ensuring safety and convenience without removing the headphones.

Sennheiser HDB 630 Wireless Over Ear Headphones

Exceptional Battery Life and Premium Comfort

One of the most practical advantages of the HDB 630 is its impressive battery life of up to 60 hours. This means you can listen for days without worrying about charging, making the headphones perfect for long trips or extended work sessions.

Comfort is equally important, and the HDB 630 delivers with soft leatherette ear pads, an ergonomic over-ear design, and a balanced 311 g weight. Combined with the included carrying case and travel accessories, these headphones are built for long listening sessions with minimal fatigue.

Sennheiser HDB 630 Wireless Over Ear Headphones
Sennheiser sets a new standard of wireless sound at this level with its clever bundled accessory.

What Hi-Fi?

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