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  1. Table of Contents
  2. Top
  3. Main Differences
  4. Design
    1. Style
    2. Comfort
    3. Controls
    4. Breathability
    5. Portability
    6. Case
    7. Build Quality
    8. Stability
    9. Headshots 1
    10. Headshots 2
    11. Top
    12. In The Box
  5. Sound
    1. Sound Profile
    2. Frequency Response Consistency
    3. Raw Frequency Response
    4. Bass Profile: Target Compliance
    5. Mid-Range Profile: Target Compliance
    6. Treble Profile: Target Compliance
    7. Peaks/Dips
    8. Imaging
    9. Passive Soundstage
    10. Virtual Soundstage
    11. Weighted Harmonic Distortion
    12. Test Settings
  6. Isolation
    1. Noise Isolation - Full Range
    2. Noise Isolation - Common Scenarios
    3. Noise Isolation - Voice Handling
    4. ANC Wind Handling
    5. Leakage
  7. Microphone
    1. Microphone Style
    2. Recording Quality
    3. Noise Handling
  8. Active Features
    1. Battery
    2. App Support
  9. Connectivity
    1. Wired Connection
    2. Bluetooth Connection
    3. Wireless Connection (Dongle)
    4. PC Compatibility
    5. PlayStation Compatibility
    6. Xbox Compatibility
    7. Base/Dock
  10. Comments

Philips Fidelio X2HR vs HiFiMan HE400se

Side-by-Side Comparison

Products

Philips Fidelio X2HR
HiFiMan HE400se

Tested using Methodology v1.8

Updated Dec 09, 2024 09:45 PM

SEE PRICE
Amazon.com

Tested using Methodology v1.5

Updated Sep 25, 2023 05:09 PM

SEE PRICE
Amazon.com
Philips Fidelio X2HR Picture
HiFiMan HE400se Picture
  1. Recommended in 2 articles:
  2. Music
  3. Critical Listening

Variants

  • Fidelio X2HR (Black)
  • HE400se (Silver)

Our Verdict

Philips Fidelio X2HR

HiFiMan HE400se

The Philips Fidelio X2HR and the HiFiMan HE400se are comparable audiophile headphones. Both headphones are comfortable and well-built, with sound profiles that lack low bass but feature detailed mids and inconsistent highs. However, the HiFiMan are planar magnetics with a more immersive passive soundstage. Due to fit, positioning, and seal, they're also less sensitive to deviations in bass and treble delivery.

0

Check Price

Black
Fidelio X2HR
SEE PRICE
Amazon.com
Silver
HE400se
SEE PRICE
Amazon.com
Black
Fidelio X2HR
SEE PRICE
Walmart.com
Black
Fidelio X2HR
SEE PRICE
B&H
Silver
HE400se
BestBuy.com
Black
Fidelio X2HR
BestBuy.com
Silver
HE400se
B&H

Notice: Two or more of the products selected have been tested with different test methodologies, so some of the results below aren't directly comparable. Learn how our test benches and scoring system work, and read more about the latest changes to our headphones test methodology.

Main Differences for

Threshold 

0.10

Neutral Sound 

7.9
8.2

Mid-Range Profile: Target Compliance 
 

9.5
8.6

Peaks/Dips 
 

6.6
7.4

Full Comparison

Design

Style  

Design Picture 2  

Philips Fidelio X2HR Design Picture 2
HiFiMan HE400se Design Picture 2

Type  

Over-ear
Over-ear

Enclosure  

Open-Back
Open-Back

Wireless  

No
No

Transducer  

Dynamic
Planar Magnetic

Show text

Comfort 
 

8.0
8.0

Comfort Picture  

Philips Fidelio X2HR Comfort Picture
HiFiMan HE400se Comfort Picture

Weight  

0.86 lbs
0.87 lbs

Clamping Force 
 

1.2 lbs
0.7 lbs

Show text

Controls 
 

0.0
0.0

Controls Picture  

Philips Fidelio X2HR Controls Picture
HiFiMan HE400se Controls Picture

OS Compatibility 
 

No Controls
No Controls

Ease Of Use  

No Controls
No Controls

Feedback  

No Controls
No Controls

Call/Music Control  

No
No

Volume Control  

No
No

Microphone Control  

No
No

Channel Mixing 
 

No
No

Noise Cancelling Control  

No
No

Talk-Through 
 

No
No

Additional Controls  

No
No

Show text

Breathability 
 

Breathability After Picture  

Avg.Temp.Difference  

Portability 
 

5.0
5.3

Portability Picture  

Philips Fidelio X2HR Portability Picture
HiFiMan HE400se Portability Picture

 

9.0" (22.9 cm)
8.2" (20.9 cm)

 

8.0" (20.3 cm)
6.3" (15.9 cm)

 

4.1" (10.4 cm)
4.5" (11.4 cm)

Volume  

295.20 in³ (4,837.44 cm³)
231.18 in³ (3,788.30 cm³)

Transmitter Required  

No
No

Show text

Case 
 

0.0
0.0

Case Picture  

Philips Fidelio X2HR Case Picture
HiFiMan HE400se Case Picture

Type  

No case
No case

 

N/A
N/A

 

N/A
N/A

 

N/A
N/A

Volume  

N/A
N/A

Show text

Build Quality 
 

7.5
7.5

Build Quality Picture  

Philips Fidelio X2HR Build Quality Picture
HiFiMan HE400se Build Quality Picture

Show text

Stability 
 

6.0
6.0

Stability Picture  

Philips Fidelio X2HR Stability Picture
HiFiMan HE400se Stability Picture

Show text

Headshots 1  

Angled Picture  

Philips Fidelio X2HR Angled Picture
HiFiMan HE400se Angled Picture

Side Picture  

Philips Fidelio X2HR Side Picture
HiFiMan HE400se Side Picture

Headshots 2  

Front Picture  

Philips Fidelio X2HR Front Picture
HiFiMan HE400se Front Picture

Rear Picture  

Philips Fidelio X2HR Rear Picture
HiFiMan HE400se Rear Picture

Top  

Top Picture  

Philips Fidelio X2HR Top Picture
HiFiMan HE400se Top Picture

In The Box  

In The Box Picture  

Philips Fidelio X2HR In The Box Picture
HiFiMan HE400se In The Box Picture

Show text

Sound

Sound Profile 
 

Sound Profile  

See details on graph tool
See details on graph tool

Normalization Frequency 
 

450 Hz

Bass Amount 
 

-3.0 dB
-2.79 dB

Treble Amount 
 

-0.9 dB
-1.75 dB

Show text

Frequency Response Consistency 
 

7.9
8.3

Consistency L  

See details on graph tool
See details on graph tool

Consistency R  

See details on graph tool
See details on graph tool

Avg. Std. Deviation 
 

0.42 dB
0.34 dB

Show text

Raw Frequency Response 
 

Raw FR L  

See details on graph tool
See details on graph tool

Raw FR R  

See details on graph tool
See details on graph tool

Bass Profile: Target Compliance 
 

7.8
7.7

Bass Profile: Target Compliance  

See details on graph tool
See details on graph tool

RMS Deviation From Target 
 

4.6 dB
3.09 dB

Low-Frequency Extension 
 

27.89 Hz
55.76 Hz

Low Bass 
 

-6.22 dB
-6.07 dB

Mid Bass 
 

-1 dB
-1.57 dB

High Bass 
 

-0.14 dB
1.37 dB

Show text

Mid-Range Profile: Target Compliance 
 

9.5
8.6

Mid-Range Profile: Target Compliance  

See details on graph tool
See details on graph tool

RMS Deviation From Target 
 

0.71 dB
1.86 dB

Low Mid 
 

0.39 dB
0.7 dB

Mid-Mid 
 

-0.39 dB
0.22 dB

High Mid 
 

-0.41 dB
-2.21 dB

Show text

Treble Profile: Target Compliance 
 

7.1
7.6

Treble Profile: Target Compliance  

See details on graph tool
See details on graph tool

RMS Deviation From Target 
 

3.16 dB
3.58 dB

Low Treble 
 

-2.58 dB
-2.14 dB

Mid Treble 
 

1.23 dB
0.62 dB

High Treble 
 

-7.96 dB
-8.23 dB

Show text

Peaks/Dips 
 

6.6
7.4

Peaks/Dips Graph 
 

See details on graph tool
See details on graph tool

Peaks 
 

2.08 dB
1.81 dB

Dips 
 

2.44 dB
0.92 dB

Show text

Imaging 
 

8.6
9.0

Group Delay  

See details on graph tool
See details on graph tool

Phase Response Mismatch  

See details on graph tool
See details on graph tool

Weighted Group Delay 
 

0.26
0.12

Weighted Phase Mismatch 
 

4.67
2.32

Weighted Amplitude Mismatch 
 

0.85
0.64

Weighted Frequency Mismatch 
 

1.6
1.38

Show text

Passive Soundstage 
 

7.8
8.3

PRTF  

See details on graph tool
See details on graph tool

PRTF Accuracy (Std. Dev.) 
 

1.46 dB
3.34 dB

PRTF Size (Avg.) 
 

3.6 dB
5.66 dB

PRTF Distance 
 

7.38 dB
9.82 dB

Openness 
 

9.2
9.6

Acoustic Space Excitation 
 

8.7
9.4

Show text

Virtual Soundstage 
 

0.0
0.0

Virtual Soundstage  

Philips Fidelio X2HR Virtual Soundstage
HiFiMan HE400se Virtual Soundstage

Head Modeling 
 

No
No

Speaker Modeling 
 

No
No

Room Ambience 
 

No
No

Head Tracking 
 

No
No

Virtual Surround 
 

No App
No App

Show text

Weighted Harmonic Distortion 
 

7.8
8.1

Weighted Harmonic Distortion  

See details on graph tool
See details on graph tool

WHD @ 90 
 

0.211
0.186

WHD @ 100 
 

0.132
0.091

Show text

Test Settings 
 

Firmware 
 

No Firmware
No Firmware

Power 
 

Passive
Passive

Connection 
 

Wired
Wired

Codec 
 

PCM, 24-bit, 48kHz
PCM, 24-bit, 48kHz

Test Instrument  

Audio Precision APx517B

EQ 
 

No EQ
No EQ

ANC 
 

No ANC
No ANC

Tip/Pad 
 

Default
Default

Microphone 
 

No Microphone
No Microphone

Show text

Isolation

Noise Isolation - Full Range 
 

1.8
0.9

Noise Isolation - Full Range Graph  

See details on graph tool
See details on graph tool

Noise Cancelling  

No
No

Overall Attenuation 
 

-4.00 dB
-1.98 dB

Isolation Audio 
 

Bass 
 

-0.07 dB
-0.16 dB

Mid 
 

0.81 dB
0.78 dB

Treble 
 

-14.10 dB
-6.32 dB

Show text

Noise Isolation - Common Scenarios 
 

2.0

Noise Isolation - Common Scenarios Graph  

See details on graph tool

Airplane Noise Attenuation 
 

-3.51 dB

Airplane Noise Isolation Audio 
 

Office Noise Attenuation 
 

-3.93 dB

Office Noise Isolation Audio 
 

Street Noise Attenuation 
 

-3.82 dB

Street Noise Isolation Audio 
 

Show text

Noise Isolation - Voice Handling 
 

Female Voice 1 
 

Male Voice 1 
 

Female Voice 2 
 

Male Voice 2 
 

ANC Wind Handling 
 

ANC Wind Handling Graph  

Philips Fidelio X2HR ANC Wind Handling Graph

ANC Wind Noise 
 

N/A

Leakage 
 

1.5
0.6

Leakage  

See details on graph tool
See details on graph tool

Leakage Audio 
 

Overall Leakage @ 1ft 
 

63.95 dB
67.59 dB

Show text

Microphone

Microphone Style 
 

Integrated 
 

No
No

In-Line 
 

No
No

Boom 
 

No
No

Detachable Boom 
 

No
No

Mic  

No
No

Show text

Recording Quality 
 

0.0
0.0

Microphone Frequency Response  

Philips Fidelio X2HR Microphone Frequency Response
HiFiMan HE400se Microphone Frequency Response

Recorded Speech 
 

N/A
N/A

LFE 
 

N/A
N/A

FR Std. Dev. 
 

N/A
N/A

HFE 
 

N/A
N/A

Weighted THD 
 

N/A
N/A

Gain 
 

N/A
N/A

Show text

Noise Handling 
 

0.0
0.0

SpNR  

Philips Fidelio X2HR SpNR
HiFiMan HE400se SpNR

SpNR 
 

N/A
N/A

Noise Gate 
 

No
No

Speech + Pink Noise Handling 
 

N/A
N/A

Speech + Pink Noise Audio Sample  

N/A
N/A

Speech + Subway Noise Handling 
 

N/A
N/A

Speech + Subway Noise Audio Sample  

N/A
N/A

Show text

Active Features

Battery 
 

0.0
0.0

Battery Type 
 

No Battery
No Battery

Continuous Battery Life 
 

N/A
N/A

Additional Charges 
 

N/A
N/A

Total Battery Life 
 

N/A
N/A

Charge Time 
 

N/A
N/A

Power-Saving Feature 
 

No
No

Audio While Charging 
 

No
No

Passive Playback 
 

Passive Headphone
Passive Headphone

Charging Port  

None
None

Show text

App Support 
 

0.0
0.0

App Picture  

Philips Fidelio X2HR App Picture
HiFiMan HE400se App Picture

App Name  

No App
No App

iOS  

No
No

Android  

No
No

macOS  

No
No

Windows  

No
No

Equalizer 
 

No
No

ANC Control 
 

No
No

Mic Control  

No
No

Room Effects 
 

No
No

Playback Control 
 

No
No

Button Mapping  

No
No

Surround Support 
 

No
No

Show text

Connectivity

Wired Connection 
 

9.9
9.5

Cable Picture  

Philips Fidelio X2HR Cable Picture
HiFiMan HE400se Cable Picture

Analog Audio 
 

Yes
Yes

USB Audio 
 

No
No

Detachable 
 

Yes
Yes

Length 
 

10.30 ft (3.14 m)
4.92 ft (1.50 m)

Connector 
 

1/8" TRS
1/8" TRS

Latency - Analog 
 

0.2 ms

Latency - USB 
 

N/A
0 ms

Recorded Latency 
 

Recorded Latency Connection  

Analog

Show text

Bluetooth Connection 
 

0.0
0.0

Bluetooth Version 
 

No Bluetooth
No Bluetooth

Multi-Device Pairing 
 

No
No

NFC Pairing 
 

No

Quick Pair (Android) 
 

No

Quick Pair (iOS) 
 

No

Line Of Sight Range 
 

N/A
N/A

Latency - SBC 
 

N/A
N/A

Latency - aptX 
 

N/A
N/A

Latency - aptX Adaptive (High Quality) 
 

N/A

Latency - aptX Adaptive (Low Latency) 
 

N/A

Latency - LDAC 
 

N/A

Recorded Latency 
 

N/A

Recorded Latency Codec  

No Bluetooth Audio

AAC Support 
 

No

PC Latency (aptX HD) 
 

N/A

PC Latency (aptX-LL) 
 

N/A

iOS Latency 
 

N/A

Android Latency 
 

N/A

Show text

Wireless Connection (Dongle) 
 

0.0
0.0

Line Of Sight Range 
 

N/A
N/A

Latency - Dongle 
 

N/A
N/A

Recorded Latency 
 

N/A

Show text

PC Compatibility 
 

Analog 
 

Audio Only
Audio Only

Wired USB 
 

No
No

Non-BT Wireless 
 

No
No

Show text

PlayStation Compatibility 
 

PS4 Analog 
 

Audio Only
Audio Only

PS4 Wired USB 
 

No
No

PS4 Non-BT Wireless 
 

No
No

PS5 Analog 
 

Audio Only
Audio Only

PS5 Wired USB 
 

No
No

PS5 Non-BT Wireless 
 

No
No

Show text

Xbox Compatibility 
 

Xbox One Analog 
 

Audio Only
Audio Only

Xbox One Wired USB 
 

No
No

Xbox One Non-BT Wireless 
 

No
No

Xbox Series X|S Analog 
 

Audio Only
Audio Only

Xbox Series X|S Wired USB 
 

No
No

Xbox Series X|S Non-BT Wireless 
 

No
No

Show text

Base/Dock 
 

0.0
0.0

Type 
 

No Base/Dock
No Base/Dock

USB Input 
 

No
No

Line In 
 

No
No

Line Out 
 

No
No

Optical Input 
 

No
No

RCA Input 
 

No
No

Dock Charging 
 

No
No

Power Supply 
 

No Base/Dock
No Base/Dock

Show text

Check Price

Black
Fidelio X2HR
SEE PRICE
Amazon.com
Silver
HE400se
SEE PRICE
Amazon.com
Black
Fidelio X2HR
SEE PRICE
Walmart.com
Black
Fidelio X2HR
SEE PRICE
B&H
Silver
HE400se
BestBuy.com
Black
Fidelio X2HR
BestBuy.com
Silver
HE400se
B&H

Philips Fidelio X2HR

HiFiMan HE400se

Comments

  1. Comparison

Philips Fidelio X2HR vs HiFiMan HE400se: Main Discussion

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