DALI IO-12 vs Sennheiser HDB 630: Which Headphones Are Better?

Tested using Methodology v2.0

Updated Jan 20, 2026 05:07 PM

See Sennheiser HDB 630 Review

TypeLocked

Noise CancellingLocked

EnclosureLocked

Bass Amount Locked

WirelessLocked

TransducerLocked

Treble Amount Locked

MicLocked

Sound Signature Locked

TypeOver-ear

Noise CancellingYes

EnclosureClosed-Back

Bass Amount Slightly Emphasized (2 dB)

WirelessYes

TransducerDynamic

Treble Amount Balanced (-1 dB)

MicYes

Sound Signature Balanced

Recommended in 5 articles:
Noise Cancelling
Over-Ear
Wireless
2

Our Verdict

DALI IO-12

Sennheiser HDB 630

Full comparison details regarding individual product score sets can be found in the section below

Variants

IO-12 (Brown)

HDB 630 (Black)

Review

See DALI IO-12 Review

Check Price

Brown

IO-12

Black

HDB 630

Brown

IO-12

Black

HDB 630

Brown

IO-12

Black

HDB 630

Brown

IO-12

Black

HDB 630

Sennheiser

Black

HDB 630

Main Differences for

Sports And Fitness

Threshold

0.10

Sports And Fitness

0.0

7.1

GET INSIDER ACCESS to see main differences

Full Comparison

Sports And Fitness

0.0

7.1

Travel

0.0

8.1

Office Work

0.0

7.9

Wireless Gaming (In Development)

0.0

6.2

Wired Gaming (In Development)

0.0

7.3

Audio Reproduction Accuracy

0.0

8.0

Noise Isolation

0.0

8.7

Microphone (In Development)

0.0

7.1

Frequency Response Consistency

0.0

4.6

Sound

Sound Profile

SAMPLE

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Preview Graph

Normalization Frequency

Lock Hz

600 Hz

Bass Amount

Locked

Slightly Emphasized (2 dB)

Treble Amount

Locked

Balanced (-1 dB)

Sound Signature

Locked

Balanced

Show Text

Frequency Response Consistency

N/A

4.6

Consistency L

SAMPLE

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Preview Graph

Consistency R

SAMPLE

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Preview Graph

Std. Deviation

Lock dB

2.05 dB

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Raw Frequency Response

Raw FR L

SAMPLE

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Preview Graph

Raw FR R

SAMPLE

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Preview Graph

Bass Profile: Target Compliance

N/A

9.6

Bass Profile: Target Compliance

SAMPLE

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Preview Graph

RMS Deviation From Target

Lock dB

1.8 dB

Low-Frequency Extension

Lock Hz

20 Hz

Low Bass

Lock dB

2.41 dB

Mid Bass

Lock dB

1.09 dB

High Bass

Lock dB

0.91 dB

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Mid-Range Profile: Target Compliance

N/A

9.5

Mid-Range Profile: Target Compliance

SAMPLE

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Preview Graph

RMS Deviation From Target

Lock dB

0.91 dB

Low Mid

Lock dB

1.13 dB

Mid-Mid

Lock dB

0.1 dB

High Mid

Lock dB

0.19 dB

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Treble Profile: Target Compliance

N/A

9.0

Treble Profile: Target Compliance

SAMPLE

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Preview Graph

RMS Deviation From Target

Lock dB

2.46 dB

Low Treble

Lock dB

0.52 dB

Mid Treble

Lock dB

-2.69 dB

High Treble

Lock dB

-1.58 dB

Show Text

Peaks/Dips

N/A

8.3

Peaks/Dips Graph

SAMPLE

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Preview Graph

Peaks

Lock dB

1.01 dB

Dips

Lock dB

1.18 dB

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Stereo Mismatch

N/A

8.5

Frequency Response Mismatch

SAMPLE

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Preview Graph

Sennheiser HDB 630 Frequency Response Mismatch

Phase Response Mismatch

SAMPLE

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Preview Graph

Sennheiser HDB 630 Phase Response Mismatch

Weighted Amplitude Mismatch

Lock dB

0.07 dB

Weighted Frequency Response Mismatch

Lock dB

0.93 dB

Weighted Phase Mismatch

Lock°

2.0°

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Group Delay

N/A

7.0

Group Delay

SAMPLE

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Preview Graph

Weighted Group Delay

Lock ms

1.2 ms

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Cumulative Spectral Decay

CSD

SAMPLE

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PRTF

N/A

3.0

PRTF

SAMPLE

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Preview Graph

PRTF Accuracy (RMS Deviation)

Lock dB

5.95 dB

PRTF Size (Avg.)

Lock dB

3.69 dB

PRTF Distance

Lock dB

2.85 dB

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Harmonic Distortion

N/A

9.3

Harmonics Levels

SAMPLE

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Preview Graph

THD Ratio

SAMPLE

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Preview Graph

WHD @ 94 dB SPL

Lock%

0.08%

WHD @ 104 dB SPL

Lock%

0.09%

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Electrical Aspects

Impedance

SAMPLE

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Sensitivity @1kHz-1V

Lock dB SPL

N/A

Bluetooth Max SPL

Lock dB

102.5 dB

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Virtual Soundstage

N/A

0.0

Virtual Soundstage

SAMPLE

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Head Modeling

Locked

Speaker Modeling

Locked

Room Ambience

Locked

Head Tracking

Locked

Virtual Surround

Locked

Test Settings

Firmware

Locked

3.33.3

Power

Locked

Connection

Locked

Bluetooth

Codec

Locked

aptX HD, 24-bit, 48kHz

Test Instrument

Locked

Audio Precision APx517B

EQ

Locked

Neutral

ANC

Locked

Max

Tip/Pad

Locked

Default

Microphone

Locked

Integrated

Show Text

Design

Style

Design Picture 2

SAMPLE

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Type

Locked

Over-ear

Enclosure

Locked

Closed-Back

Wireless

Locked

Yes

Transducer

Locked

Dynamic

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Comfort

N/A

7.5

Comfort Picture

SAMPLE

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Weight

Lock lbs

0.7 lbs

Clamping Force

Lock lbs

1 lbs

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Controls

N/A

7.8

Controls Picture

SAMPLE

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OS Compatibility

Locked

Not OS specific

Ease Of Use

Locked

Good

Feedback

Locked

Okay

Call/Music Control

Locked

Yes

Volume Control

Locked

Yes

Microphone Control

Locked

Mute/Unmute

Channel Mixing

Locked

Noise Cancelling Control

Locked

Adjustable

Talk-Through

Locked

Adjustable

Additional Controls

Locked

Multi function

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Portability

N/A

5.9

Portability Picture

SAMPLE

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L

Lock" (Lock cm)

8.0" (20.2 cm)

W

Lock" (Lock cm)

71.3" (181.0 cm)

H

Lock" (Lock cm)

2.0" (5.1 cm)

Volume

Lock in³ (Lock cm³)

113.79 in³ (1,864.70 cm³)

Transmitter Required

Locked

Show Text

Case

N/A

8.0

Case Picture

SAMPLE

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Type

Locked

Hard case

L

Lock" (Lock cm)

8.5" (21.5 cm)

W

Lock" (Lock cm)

8.2" (20.8 cm)

H

Lock" (Lock cm)

2.8" (7.0 cm)

Volume

Lock in³ (Lock cm³)

191.03 in³ (3,130.40 cm³)

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Build Quality

N/A

8.0

Build Quality Picture

SAMPLE

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Sennheiser HDB 630 Build Quality Picture

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Stability

N/A

7.0

Stability Picture

SAMPLE

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Show Text

Headshots 1

Angled Picture

SAMPLE

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Side Picture

SAMPLE

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Headshots 2

Front Picture

SAMPLE

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Rear Picture

SAMPLE

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Top

Top Picture

SAMPLE

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In The Box

In The Box Picture

SAMPLE

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Show Text

Isolation

Noise Isolation - Full Range

N/A

8.8

Noise Isolation - Full Range Graph

SAMPLE

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Preview Graph

Sennheiser HDB 630 Noise Isolation - Full Range Graph

Noise Cancelling

Locked

Yes

Overall Attenuation

Lock dB

-23.39 dB

Bass

Lock dB

-15.51 dB

Mid

Lock dB

-23.55 dB

Treble

Lock dB

-32.79 dB

Show Text

Noise Isolation - Common Scenarios

N/A

8.7

Noise Isolation - Common Scenarios Graph

SAMPLE

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Preview Graph

Sennheiser HDB 630 Noise Isolation - Common Scenarios Graph

Airplane Noise Attenuation

Lock dB

-20.38 dB

Airplane Noise Isolation Audio

Office Noise Attenuation

Lock dB

-19.05 dB

Office Noise Isolation Audio

Street Noise Attenuation

Lock dB

-22.88 dB

Street Noise Isolation Audio

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Noise Isolation - Voice Handling

ANC Wind Handling

ANC Wind Handling Graph

SAMPLE

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Preview Graph

Sennheiser HDB 630 ANC Wind Handling Graph

ANC Wind Noise

Show Text

Leakage

N/A

7.9

Leakage

SAMPLE

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Preview Graph

Leakage Audio

Overall Leakage @ 1ft

Lock dB

33.94 dB

Show Text

Microphone

Microphone Style

Integrated

Locked

Yes

In-Line

Locked

Boom

Locked

Detachable Boom

Locked

Mic

Locked

Yes

Recording Quality

N/A

6.5

Microphone Frequency Response

SAMPLE

To see pictures and test results

Preview Graph

Sennheiser HDB 630 Microphone Frequency Response

Recorded Speech

LFE

Lock Hz

459.13 Hz

FR Std. Dev.

Lock dB

3.86 dB

HFE

Lock Hz

7,452.94 Hz

Weighted THD

Lock

0.827

Gain

Lock dB

7.2 dB

Show Text

Noise Handling

N/A

7.5

SpNR

SAMPLE

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Preview Graph

SpNR

Lock dB

11.77 dB

Noise Gate

Locked

Always On

Speech + Pink Noise Handling

0.0

7.5

Speech + Pink Noise Audio Sample

Speech + Subway Noise Handling

0.0

7.5

Speech + Subway Noise Audio Sample

Show Text

Active Features

Battery

N/A

9.0

Battery Type

Locked

Rechargable

Continuous Battery Life

Lock hrs

54.2 hrs

Additional Charges

Lock

0.0

Total Battery Life

Lock hrs

54.2 hrs

Charge Time

Lock hrs

1.5 hrs

Power-Saving Feature

Locked

Auto-Off Timer and Standby Mode

Audio While Charging

Locked

Yes

Passive Playback

Locked

Charging Port

Locked

USB-C

Show Text

App Support

N/A

9.0

App Picture

SAMPLE

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App Name

Locked

Sennheiser Smart Control Plus

iOS

Locked

Yes

Android

Locked

Yes

macOS

Locked

Windows

Locked

Equalizer

Locked

Parametric + Graphic

ANC Control

Locked

Adjustable

Mic Control

Locked

Room Effects

Locked

Playback Control

Locked

Button Mapping

Locked

Yes

Surround Support

Locked

Show Text

Connectivity

Wired Connection

N/A

7.1

Cable Picture

SAMPLE

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Analog Audio

Locked

Yes

USB Audio

Locked

USB-C

Detachable

Locked

Yes

Length

N/A

4.00 ft (1.22 m)

Connector

Locked

1/16" TRS

Latency - Analog

Lock ms

30.5 ms

Latency - USB

Lock ms

35.4 ms

Recorded Latency

Recorded Latency Connection

Locked

USB

Show Text

Bluetooth Connection

N/A

7.5

Bluetooth Version

Locked

5.2

Multi-Device Pairing

Locked

2 Devices

Quick Pair (Android)

Locked

Quick Pair (iOS)

Locked

Line Of Sight Range

Lock ft (Lock m)

334.65 ft (102.00 m)

Latency - SBC

Lock ms

271 ms

Latency - aptX

Lock ms

262 ms

Latency - aptX Adaptive (High Quality)

Lock ms

356 ms

Latency - aptX Adaptive (Low Latency)

Lock ms

101 ms

Latency - LDAC

N/A

Recorded Latency

Recorded Latency Codec

Locked

aptX Adaptive (Low Latency)

AAC Support

Locked

Yes

Show Text

Wireless Connection (Dongle)

N/A

0.0

Line Of Sight Range

N/A

Latency - Dongle

N/A

Recorded Latency

N/A

Show Text

PC Compatibility

Analog

Locked

Audio Only

Wired USB

Locked

Audio + Microphone

Non-BT Wireless

Locked

Show Text

PlayStation Compatibility

PS4 Analog

Locked

Audio Only

PS4 Wired USB

Locked

Audio + Microphone

PS4 Non-BT Wireless

Locked

PS5 Analog

Locked

Audio Only

PS5 Wired USB

Locked

Audio + Microphone

PS5 Non-BT Wireless

Locked

Show Text

Xbox Compatibility

Xbox One Analog

Locked

Audio Only

Xbox One Wired USB

Locked

Xbox One Non-BT Wireless

Locked

Xbox Series X|S Analog

Locked

Audio Only

Xbox Series X|S Wired USB

Locked

Xbox Series X|S Non-BT Wireless

Locked

Show Text

Base/Dock

N/A

3.4

Type

Locked

Wireless USB Dongle

USB Input

Locked

Yes

Line In

Locked

Line Out

Locked

Optical Input

Locked

RCA Input

Locked

Dock Charging

Locked

Power Supply

Locked

USB-C

Show Text

Check Price

Brown

IO-12

Black

HDB 630

Brown

IO-12

Black

HDB 630

Brown

IO-12

Black

HDB 630

Brown

IO-12

Black

HDB 630

Sennheiser

Black

HDB 630