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Sennheiser

Sennheiser HDB 630

Name: Sennheiser HDB 630
Brand: Sennheiser
SKU: B0FK4K5Z37
Price: 499.95 USD

Current price · Amazon US

$499.95

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Price last checked 1d ago

Noise Isolation / ANC & sound

7.4/ 10

7.4

0.010.0

A 7.4 puts its noise isolation / ANC in the top 10% of over-ear headphones we've measured.

Measured on 86 of the 240 we've cataloged.

4.6/ 5

SoundMDAQS Overall

4.6

1.05.0

A 4.6 puts its audio quality in the top quarter of over-ear headphones we've measured.

Measured on 44 of the 240 we've cataloged.

Key specs

Battery Life Wireless

60 hAbove average

60 h

11 h100 h

above average for over-ear headphones — based on 150 of 240 we've cataloged.

Charging Method

USB-CMost common

Usb-c87%Micro usb10%Others3%

Usb-c is the most common — on 87% of the 135 over-ear headphones we've cataloged (of 240).

Bluetooth Version

5.2

5.326%520%5.218%5.411%

5.2 appears on 18% of the 145 over-ear headphones we've cataloged (of 240).

Weight

311 gAbove average

311 g

132 g420 g

above average for over-ear headphones — based on 195 of 240 we've cataloged.

Battery

Battery Life Wireless: 60 h
Charging Method: USB-C
Full Charge Minutes: 120 min
Battery: Yes
Fast Charging: Yes

Connectivity

Bluetooth Version: 5.2
Bluetooth Codec: SBC, AAC, aptX Adaptive
Multipoint Devices: Yes
USB Charging: Yes
Latency: 30 ms

Design

Weight: 311 g
Color Options: Black
Foldable: Yes
Headband Type: Adjustable over-head

Features

Companion App: IOS + Android
Eq Customization: Full parametric EQ
Auto Pause: Yes

Sound

Acoustic Design: Closed-back
Driver Size: 42 mm
Driver Type: Dynamic driver
Impedance: 470 Ω
Noise Cancellation Type: Active

Build

Material Ear Cups: Leather-like

Microphone

Microphone: Yes

Release

Date: September 22, 2025
Year: 2025

SoundGuys review

Read the full review ›

SOUNDGUYS rating

8.2/ 10

Recommended

Reviewed byChristian ThomasEditor-at-largeReviewed October 2025

Noise cancelling8.3

Isolation7.4

Battery life9.9

Comfort & fit9.0

Connectivity9.5

Design8.0

The verdict

If you want some of the best-sounding ANC headphones of all time, the Sennheiser HDB 630 fit the bill. With excellent sound quality, comfort, and connection options, these cans should be in the conversation for anyone's next headphones.

✓What we like

✓Excellent sound quality

✓Connection options

✓Included dongle

✓Durable case

✓Parametric EQ

✕What could be better

✕Price

✕Somewhat weak ANC

Read the full SoundGuys review →

Lab data

How we test ›

Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.

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0 of 4 overlay slots used

Sennheiser HDB 630SoundGuys Headphone Preference Curve

Measured frequency response (dB) against the SoundGuys house target — the dashed curve. The closer the measured line tracks the target, the more neutral the tuning; peaks ride above the target, dips fall below it.

Frequency response — measurement data

Sennheiser HDB 630: frequency response, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Response (dB)
20	4.5
25	4.5
32	4.3
40	3.9
50	3.1
63	2.3
80	1.6
100	0.1
125	-1.2
160	-2.1
200	-2.9
250	-3.4
315	-3.5
400	-3.7
500	-2.9
630	-2.6
800	-2.1
1000	-0.0
1250	0.7
1600	0.6
2000	-0.6
2500	1.9
3150	7.0
4000	5.5
5000	5.0
6300	1.3
8000	1.2
10000	-1.6
12500	-9.5
16000	-9.2
20000	-11.8

Sennheiser HDB 630

Passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.

Passive isolation — measurement data

Sennheiser HDB 630: passive isolation, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Attenuation (dB)
21	0.3
26	2.1
33	3.0
41	2.8
52	3.4
65	4.3
82	5.2
103	7.1
130	7.9
163	8.3
205	8.8
259	10.9
325	13.0
410	9.5
516	10.1
613	11.5
772	16.5
972	18.1
1220	24.4
1540	29.3
1940	35.7
2440	34.5
3070	24.7
3870	30.6
4870	39.9
6130	43.4
7720	45.2
9720	47.3
12200	38.5
15400	44.0
19400	40.0

Sennheiser HDB 630

Total attenuation (dB) with ANC on — passive isolation plus active noise cancelling. Higher on the chart means more attenuation.

Noise cancelling — measurement data

Sennheiser HDB 630: noise cancelling, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Total attenuation (dB)
21	9.4
26	16.3
33	20.4
41	17.1
52	16.2
65	18.0
82	20.4
103	23.6
130	27.3
163	29.2
205	32.8
259	28.6
325	27.6
410	19.1
516	15.9
613	14.7
772	19.8
972	18.1
1220	27.5
1540	29.6
1940	37.0
2440	33.9
3070	22.8
3870	30.6
4870	42.5
6130	41.8
7720	48.1
9720	42.9
12200	40.0
15400	45.9
19400	41.4