Introduction
At Soundium, we seek products that elevate fidelity without sacrificing real-world usability. The Sennheiser HDB 630 is crafted for high-performance listeners who want wired-level quality anywhere. Housed in a chassis inherited from the best-selling MOMENTUM 4, the HDB 630 adds a customized acoustic system and fidelity-first processing for a uniquely audiophile listening experience—with or without a cable.
Watch It in Action
Key Features & Benefits
- 42 mm dynamic transducer made in Tullamore, Ireland—smooth mids, intimate vocals, agile dynamics
- Hi-Res playback up to 24-bit/96 kHz via USB-C; analog cable support included
- Bluetooth 5.2 with aptX Adaptive for robust, high-quality wireless streaming
- USB-C aptX Adaptive transmitter in the box to upgrade most USB-C devices instantly
- Advanced EQ tools in Smart Control Plus: full Parametric EQ (Q, filter types, A/B) and Crossfeed
- Adaptive Noise Cancellation with Transparency and on-head detection
- Up to 60-hour battery life plus 10-minute quick charge = 7 hours playback
- Comfort & materials: lightweight build with IDEATEX™ Japanese Protein Leatherette headband
Real-World Reactions
“Built on the same chassis as the Momentum 4, the HDB 630 features a customized acoustic system, ANC, and up to 60 hours of battery… plus a USB-C dongle that adds aptX Adaptive to devices that don’t support it.” — The Verge
“Bundles a BTD 700 USB-C transmitter to enable aptX/aptX HD/aptX Adaptive — even on iPhones — and adds a parametric EQ and crossfeed for precise tuning.” — TechRadar
How It Compares: HDB 630 vs MOMENTUM 4
| Feature | HDB 630 | MOMENTUM 4 |
|---|---|---|
| Connectivity | Bluetooth 5.2 (aptX Adaptive), USB-C digital audio up to 24-bit/96 kHz, 3.5 mm analog; USB-C aptX Adaptive transmitter included | Bluetooth 5.2 (SBC/AAC/aptX/aptX Adaptive), 3.5 mm analog; USB-C for charging |
| Battery Life | Up to 60 hours; 10-minute quick charge ≈ 7 hours | Up to 60 hours; quick charge ≈ up to 4 hours from 5 minutes |
| Weight | Lightweight over-ear build (portable focus) | ~293 g (reference lifestyle ANC design) |
| Hi-Res Support | Native 24-bit/96 kHz via USB-C; aptX Adaptive over Bluetooth | Bluetooth codecs incl. aptX Adaptive; analog wired (no stated USB-C audio mode) |
Who It’s For
- Audiophiles seeking reference-leaning tuning with mobile flexibility
- Travelers & commuters who need ANC, marathon battery, and day-long comfort
- Wireless-first listeners wanting reliable aptX Adaptive—on any USB-C device
- Tuning enthusiasts who enjoy sharing custom Parametric EQ presets and using Crossfeed
Quick Specs
- Driver: 42 mm dynamic (Tullamore, Ireland)
- Resolution (wired): up to 24-bit/96 kHz via USB-C; analog cable supported
- Wireless: Bluetooth 5.2 with aptX Adaptive; USB-C transmitter included
- DSP: Parametric EQ, Crossfeed (Smart Control Plus)
- Battery: up to 60 hours; 10-min quick charge ≈ 7 hours
- Noise Control: Adaptive Noise Cancellation + Transparency
- Comfort: Lightweight build; IDEATEX™ protein leatherette headband
Pros & Cons
✅ Pros:
- Custom 42 mm driver with native 24/96 USB-C audio
- aptX Adaptive wireless plus included USB-C transmitter
- Parametric EQ and Crossfeed for precise, shareable tuning
- Up to 60-hour battery with quick-charge
- Adaptive ANC and long-wear comfort
⚠️ Cons:
- Advanced toolset may overwhelm casual users
- Over-ear size is less compact for ultra-minimal travel
Where to Buy
The Sennheiser HDB 630 is available at Soundium. Enjoy:
- Free pickup shipping on orders over €149
- Free courier shipping on orders over €299
- Secure checkout and interest-free payments
Order the Sennheiser HDB 630 from Soundium
Final Thoughts
The HDB 630 feels like a portable reference rig: a custom driver, hi-res signal paths, aptX Adaptive with a bundled transmitter, adaptive ANC, and truly audiophile-grade DSP (Parametric EQ + Crossfeed) you can take anywhere. If you’ve been waiting for travel-ready headphones that put fidelity first, this is it.
Still Unsure?
Reach out to our team—we’ll help you find the right match for your setup.
