Sennheiser HDB 630 Wireless ANC Headphones - Good - Verified by HiFiLoop
The Audiophile's Hook
The Sennheiser HDB 630 is built for “audiophile-first” wireless: a closed-back design with serious detail, strong isolation, and a battery that’s made for day-long listening. This is a high-value used listing—flagship performance for less, verified by HiFiLoop.
Condition Report (The Truth)
Good / Workhorse Condition: Visible cosmetic wear, but ready for daily use and strong value for the category.
- Cosmetic bumps and surface wear present (as pictured).
- Full retail set included (box and accessories as shown in the listing photos).
- Headphone stand included.
Mandatory: The device has passed all functional tests.
Sonic Signature & Pairing
HDB 630 targets a neutral, high-resolution presentation with focused listening in mind—great for commuting, office sessions, and late-night detail dives. Use the Smart Control Plus app to fine-tune with parametric EQ and features like crossfeed when you want a more speaker-like blend.
To unleash the full potential of this device, we recommend pairing it with gear from our Amplifiers & DACs Collection.
Technical Highlights (Mobile-Table)
| Design | Closed-back wireless headphones with Adaptive Noise Cancellation |
| Driver | 42mm dynamic drivers |
| Bluetooth | Bluetooth 5.2 with aptX Adaptive support |
| Hi-Res Playback | Up to 24-bit/96 kHz via USB-C or 3.5mm wired connection |
| Battery Life | Up to 60 hours (claimed, ANC on) |
| Included Dongle | BTD 700 USB-C Bluetooth dongle (part of standard box contents) |
What's in the Box
- Sennheiser HDB 630 headphones
- Full retail box and accessories (as shown in photos)
- Headphone stand
Why Buy Used from HiFiLoop?
- ✅ 14-Day DOA: Full refund/replace if dead on arrival.
- 🔧 180-Day Warranty: Free repair service (buyer pays return shipping).
- 🔬 Lab Tested: Connectivity, noise floor, and channel balance verified.
- 📦 Free Shipping: On orders over $199.
See full Grading Scale in Footer Condition Guide.
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Condition Report
See details in the description above.
Shipping & Warranty
Processing Time:
Please allow 3-5 business days for order processing. We perform a final rigorous audio test, functional inspection, and deep cleaning to ensure the device is in perfect condition before dispatch.
Shipping Method:
We use reliable International Priority Lines. Tracking numbers are provided once the item is dispatched.
Estimated Delivery:
7-15 business days to most destinations (USA, Europe, etc.).
Warranty & Support:
We stand behind our quality with a 180-Day Warranty.
- 0-14 Days: Full refund or replacement for any functional defects upon arrival.
- 15-180 Days: Free repair service for hardware issues (Buyer is responsible for return shipping costs and any applicable customs duties or taxes).
Tech Specs
Refer to official manufacturer specifications.