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  1. Home
  2. Headphones
  3. Compare

Technics EAH-AZ100 vs Samsung Galaxy Buds4 Pro

Which Headphones Are Better?

    Top
    Main Differences
    Sound
      Sound ProfileFrequency Response ConsistencyRaw Frequency ResponseBass Profile: Target ComplianceMid-Range Profile: Target ComplianceTreble Profile: Target CompliancePeaks/DipsStereo MismatchCumulative Spectral DecayPRTFHarmonic DistortionElectrical AspectsVirtual SoundstageTest Settings
    Design
      StyleComfortControlsPortabilityCaseBuild QualityStabilityHeadshots 1Headshots 2TopIn The Box
    Isolation
      Noise Isolation - Full RangeNoise Isolation - Common ScenariosNoise Isolation - Voice HandlingANC Wind HandlingLeakage
    Microphone
      Microphone StyleRecording QualityNoise Handling
    Active Features
      BatteryApp Support
    Connectivity
      Wired ConnectionBluetooth ConnectionWireless Connection (Dongle)PC CompatibilityPlayStation CompatibilityXbox CompatibilityBase/Dock
    Comments

Products

Technics EAH-AZ100
Samsung Galaxy Buds4 Pro

Tested using Methodology v2.2

Updated Apr 15, 2026 06:22 PM

SEE PRICE
Amazon.com

Tested using Methodology v2.2

Updated Apr 24, 2026 07:00 PM

SEE PRICE
Amazon.com
Technics EAH-AZ100 Picture

Track

Samsung Galaxy Buds4 Pro Picture

Track

TypeIn-ear
Noise CancellingYes
EnclosureClosed-Back
Bass Amount
Very Emphasized (5 dB)
WirelessTruly Wireless
Treble Amount
Slightly Underemphasized (-3 dB)
MicYes
Sound Signature
Warm
TypeIn-ear
Noise CancellingYes
EnclosureClosed-Back
Bass Amount
Emphasized (3 dB)
WirelessTruly Wireless
Treble Amount
Slightly Underemphasized (-2 dB)
MicYes
Sound Signature
Warm
  1. Recommended in 7 articles:
  2. Wireless Earbuds
  3. Noise Cancelling Earbuds
  4. In-Ears
  5. 4
  1. Recommended in 1 article:
  2. Samsung

Our Verdict

Technics EAH-AZ100

Samsung Galaxy Buds4 Pro

The Samsung Galaxy Buds4 Pro and Technics EAH-AZ100 are similar earbuds. Both have solid noise isolation performance, though the Samsung are slightly better at dealing with bass and treble noise. They're both comfortable and stable, though the Samsung are more suitable for outdoor and sports use thanks to their IP57 certification for dust and water exposure. On the other hand, the Technics are your best bet for work; they support Bluetooth multi-point with up to three devices and have over double the battery life of the Samsung, which sits at only six hours of continuous playback.

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0 

Variants

  • EAH-AZ100 (Black)
  • EAH-AZ100 (Champagne Gold)
  • Galaxy Buds4 Pro (Black)
  • Galaxy Buds4 Pro (White)

Review

See Technics EAH-AZ100 Review
See Samsung Galaxy Buds4 Pro Review
58 
16 

Check Price

Black
EAH-AZ100
SEE PRICE
Amazon.com
Black
Galaxy Buds4 Pro
SEE PRICE
Amazon.com
Champagne Gold
EAH-AZ100
SEE PRICE
Amazon.com
White
Galaxy Buds4 Pro
SEE PRICE
Amazon.com
Midnight Blue
EAH-AZ100
SEE PRICE
Amazon.com
 
Silver
EAH-AZ100
SEE PRICE
Amazon.com
 

Main Differences for
Sports And Fitness

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Full Comparison

Sound

Sound Profile 
 

Sound Profile  

Technics EAH-AZ100 Sound Profile Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Sound Profile Sample

SAMPLE

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Normalization Frequency 
 

Lock Hz
Lock Hz

Bass Amount 
 

Locked
Locked

Treble Amount 
 

Locked
Locked

Sound Signature 
 

Locked
Locked

Frequency Response Consistency 
 

N/A
N/A

Consistency L  

Technics EAH-AZ100 Consistency L Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Consistency L Sample

SAMPLE

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Consistency R  

Technics EAH-AZ100 Consistency R Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Consistency R Sample

SAMPLE

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Std. Deviation 
 

Lock dB
Lock dB

Raw Frequency Response 
 

Raw FR L  

Technics EAH-AZ100 Raw FR L Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Raw FR L Sample

SAMPLE

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Raw FR R  

Technics EAH-AZ100 Raw FR R Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Raw FR R Sample

SAMPLE

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Bass Profile: Target Compliance 
 

N/A
N/A

Bass Profile: Target Compliance  

Technics EAH-AZ100 Bass Profile: Target Compliance Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Bass Profile: Target Compliance Sample

SAMPLE

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RMS Deviation From Target 
 

Lock dB
Lock dB

Low-Frequency Extension 
 

Lock Hz
Lock Hz

Low Bass 
 

Lock dB
Lock dB

Mid Bass 
 

Lock dB
Lock dB

High Bass 
 

Lock dB
Lock dB

Mid-Range Profile: Target Compliance 
 

N/A
N/A

Mid-Range Profile: Target Compliance  

Technics EAH-AZ100 Mid-Range Profile: Target Compliance Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Mid-Range Profile: Target Compliance Sample

SAMPLE

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RMS Deviation From Target 
 

Lock dB
Lock dB

Low Mid 
 

Lock dB
Lock dB

Mid-Mid 
 

Lock dB
Lock dB

High Mid 
 

Lock dB
Lock dB

Treble Profile: Target Compliance 
 

N/A
N/A

Treble Profile: Target Compliance  

Technics EAH-AZ100 Treble Profile: Target Compliance Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Treble Profile: Target Compliance Sample

SAMPLE

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RMS Deviation From Target 
 

Lock dB
Lock dB

Low Treble 
 

Lock dB
Lock dB

Mid Treble 
 

Lock dB
Lock dB

High Treble 
 

Lock dB
Lock dB

Peaks/Dips 
 

N/A
N/A

Peaks/Dips Graph 
 

Technics EAH-AZ100 Peaks/Dips Graph Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Peaks/Dips Graph Sample

SAMPLE

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Peaks 
 

Lock dB
Lock dB

Dips 
 

Lock dB
Lock dB

Stereo Mismatch 
 

N/A
N/A

Frequency Response Mismatch  

Technics EAH-AZ100 Frequency Response Mismatch Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Frequency Response Mismatch Sample

SAMPLE

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Phase Response Mismatch  

Technics EAH-AZ100 Phase Response Mismatch Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Phase Response Mismatch Sample

SAMPLE

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Weighted Amplitude Mismatch 
 

Lock dB
Lock dB

Weighted Frequency Response Mismatch 
 

Lock dB
Lock dB

Weighted Phase Mismatch 
 

Lock°
Lock°

PRTF 
 

N/A
N/A

PRTF  

Technics EAH-AZ100 PRTF Sample

SAMPLE

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Samsung Galaxy Buds4 Pro PRTF Sample

SAMPLE

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PRTF Accuracy (RMS Deviation) 
 

N/A
N/A

PRTF Size (Avg.) 
 

N/A
N/A

PRTF Distance 
 

N/A
N/A

Harmonic Distortion 
 

N/A
N/A

Harmonics Levels  

Technics EAH-AZ100 Harmonics Levels Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Harmonics Levels Sample

SAMPLE

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THD Ratio  

Technics EAH-AZ100 THD Ratio Sample

SAMPLE

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Samsung Galaxy Buds4 Pro THD Ratio Sample

SAMPLE

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WHD @ 94 dB SPL 
 

Lock%
Lock%

WHD @ 104 dB SPL 
 

Lock%
Lock%

Electrical Aspects 
 

Impedance  

Technics EAH-AZ100 Impedance Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Impedance Sample

SAMPLE

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Sensitivity @1kHz-1V 
 

N/A
N/A

Bluetooth Max SPL 
 

Lock dB
Lock dB

Virtual Soundstage 
 

N/A
N/A

Virtual Soundstage  

Technics EAH-AZ100 Virtual Soundstage Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Virtual Soundstage Sample

SAMPLE

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Head Modeling 
 

Locked
Locked

Speaker Modeling 
 

Locked
Locked

Room Ambience 
 

Locked
Locked

Head Tracking 
 

Locked
Locked

Virtual Surround 
 

Locked
Locked

Test Settings 
 

Firmware 
 

Locked
Locked

Power 
 

Locked
Locked

Connection 
 

Locked
Locked

Codec 
 

Locked
Locked

Test Instrument  

Locked
Locked

EQ 
 

Locked
Locked

ANC 
 

Locked
Locked

Tip/Pad 
 

Locked
Locked

Microphone 
 

Locked
Locked
Design

Style  

Design Picture 2  

Technics EAH-AZ100 Design Picture 2 Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Design Picture 2 Sample

SAMPLE

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Type  

Locked
Locked

Enclosure  

Locked
Locked

Wireless  

Locked
Locked

Transducer  

Locked
Locked

Comfort 
 

N/A
N/A

Comfort Picture  

Technics EAH-AZ100 Comfort Picture Sample

SAMPLE

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for pictures & test results

Samsung Galaxy Buds4 Pro Comfort Picture Sample

SAMPLE

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for pictures & test results

Weight  

Lock lbs
Lock lbs

Clamping Force 
 

Lock lbs
Lock lbs

Controls 
 

N/A
N/A

Controls Picture  

Technics EAH-AZ100 Controls Picture Sample

SAMPLE

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for pictures & test results

Samsung Galaxy Buds4 Pro Controls Picture Sample

SAMPLE

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for pictures & test results

OS Compatibility 
 

Locked
Locked

Ease Of Use  

Locked
Locked

Feedback  

Locked
Locked

Call/Music Control  

Locked
Locked

Volume Control  

Locked
Locked

Microphone Control  

Locked
Locked

Channel Mixing 
 

Locked
Locked

Noise Cancelling Control  

Locked
Locked

Talk-Through 
 

Locked
Locked

Additional Controls  

Locked
Locked

Portability 
 

N/A
N/A

Portability Picture  

Technics EAH-AZ100 Portability Picture Sample

SAMPLE

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for pictures & test results

Samsung Galaxy Buds4 Pro Portability Picture Sample

SAMPLE

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for pictures & test results

L  

Lock" (Lock cm)
Lock" (Lock cm)

W  

Lock" (Lock cm)
Lock" (Lock cm)

H  

Lock" (Lock cm)
Lock" (Lock cm)

Volume  

Lock in³ (Lock cm³)
Lock in³ (Lock cm³)

Transmitter Required  

Locked
Locked

Case 
 

N/A
N/A

Case Picture  

Technics EAH-AZ100 Case Picture Sample

SAMPLE

JOIN NOW

for pictures & test results

Samsung Galaxy Buds4 Pro Case Picture Sample

SAMPLE

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for pictures & test results

Type  

Locked
Locked

L  

Lock" (Lock cm)
Lock" (Lock cm)

W  

Lock" (Lock cm)
Lock" (Lock cm)

H  

Lock" (Lock cm)
Lock" (Lock cm)

Volume  

Lock in³ (Lock cm³)
Lock in³ (Lock cm³)

Build Quality 
 

N/A
N/A

Build Quality Picture  

Technics EAH-AZ100 Build Quality Picture Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Build Quality Picture Sample

SAMPLE

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for pictures & test results

Stability 
 

N/A
N/A

Stability Picture  

Technics EAH-AZ100 Stability Picture Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Stability Picture Sample

SAMPLE

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Headshots 1  

Angled Picture  

Technics EAH-AZ100 Angled Picture Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Angled Picture Sample

SAMPLE

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for pictures & test results

Side Picture  

Technics EAH-AZ100 Side Picture Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Side Picture Sample

SAMPLE

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Headshots 2  

Front Picture  

Technics EAH-AZ100 Front Picture Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Front Picture Sample

SAMPLE

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for pictures & test results

Rear Picture  

Technics EAH-AZ100 Rear Picture Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Rear Picture Sample

SAMPLE

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for pictures & test results

Top  

Top Picture  

Technics EAH-AZ100 Top Picture Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Top Picture Sample

SAMPLE

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In The Box  

In The Box Picture  

Technics EAH-AZ100 In The Box Picture Sample

SAMPLE

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Samsung Galaxy Buds4 Pro In The Box Picture Sample

SAMPLE

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Isolation

Noise Isolation - Full Range 
 

N/A
N/A

Noise Isolation - Full Range Graph  

Technics EAH-AZ100 Noise Isolation - Full Range Graph Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Noise Isolation - Full Range Graph Sample

SAMPLE

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Noise Cancelling  

Locked
Locked

Overall Attenuation 
 

Lock dB
Lock dB

Bass 
 

Lock dB
Lock dB

Mid 
 

Lock dB
Lock dB

Treble 
 

Lock dB
Lock dB

Noise Isolation - Common Scenarios 
 

N/A
N/A

Noise Isolation - Common Scenarios Graph  

Technics EAH-AZ100 Noise Isolation - Common Scenarios Graph Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Noise Isolation - Common Scenarios Graph Sample

SAMPLE

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Airplane Noise Attenuation 
 

Lock dB
Lock dB

Airplane Noise Isolation Audio 
 

JOIN NOW
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Office Noise Attenuation 
 

Lock dB
Lock dB

Office Noise Isolation Audio 
 

JOIN NOW
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Street Noise Attenuation 
 

Lock dB
Lock dB

Street Noise Isolation Audio 
 

JOIN NOW
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Noise Isolation - Voice Handling 
 

Female Voice 1 
 

JOIN NOW
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Male Voice 1 
 

JOIN NOW
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Female Voice 2 
 

JOIN NOW
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Male Voice 2 
 

JOIN NOW
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ANC Wind Handling 
 

ANC Wind Handling Graph  

Technics EAH-AZ100 ANC Wind Handling Graph Sample

SAMPLE

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Samsung Galaxy Buds4 Pro ANC Wind Handling Graph Sample

SAMPLE

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ANC Wind Noise 
 

JOIN NOW
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Leakage 
 

N/A
N/A

Leakage  

Technics EAH-AZ100 Leakage Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Leakage Sample

SAMPLE

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Leakage Audio 
 

JOIN NOW
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Overall Leakage @ 1ft 
 

Lock dB
Lock dB
Microphone

Microphone Style 
 

Integrated 
 

Locked
Locked

In-Line 
 

Locked
Locked

Boom 
 

Locked
Locked

Detachable Boom 
 

Locked
Locked

Mic  

Locked
Locked

Recording Quality 
 

N/A
N/A

Microphone Frequency Response  

Technics EAH-AZ100 Microphone Frequency Response Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Microphone Frequency Response Sample

SAMPLE

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for pictures & test results

Recorded Speech 
 

JOIN NOW
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LFE 
 

Lock Hz
Lock Hz

FR Std. Dev. 
 

Lock dB
Lock dB

HFE 
 

Lock Hz
Lock Hz

Weighted THD 
 

Lock
Lock

Gain 
 

Lock dB
Lock dB

Noise Handling 
 

N/A
N/A

SpNR  

Technics EAH-AZ100 SpNR Sample

SAMPLE

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Samsung Galaxy Buds4 Pro SpNR Sample

SAMPLE

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SpNR 
 

Lock dB
Lock dB

Noise Gate 
 

Locked
Locked

Speech + Pink Noise Handling 
 

0.0
0.0

Speech + Pink Noise Audio Sample  

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Speech + Subway Noise Handling 
 

0.0
0.0

Speech + Subway Noise Audio Sample  

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Active Features

Battery 
 

N/A
N/A

Battery Type 
 

Locked
Locked

Continuous Battery Life 
 

Lock hrs
Lock hrs

Additional Charges 
 

Lock
Lock

Total Battery Life 
 

Lock hrs
Lock hrs

Charge Time 
 

Lock hrs
Lock hrs

Power-Saving Feature 
 

Locked
Locked

Audio While Charging 
 

Locked
Locked

Passive Playback 
 

Locked
Locked

Charging Port  

Locked
Locked

App Support 
 

N/A
N/A

App Picture  

Technics EAH-AZ100 App Picture Sample

SAMPLE

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for pictures & test results

Samsung Galaxy Buds4 Pro App Picture Sample

SAMPLE

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for pictures & test results

App Name  

Locked
Locked

iOS  

Locked
Locked

Android  

Locked
Locked

macOS  

Locked
Locked

Windows  

Locked
Locked

Equalizer 
 

Locked
Locked

ANC Control 
 

Locked
Locked

Mic Control  

Locked
Locked

Room Effects 
 

Locked
Locked

Playback Control 
 

Locked
Locked

Button Mapping  

Locked
Locked

Surround Support 
 

Locked
Locked
Connectivity

Wired Connection 
 

N/A
N/A

Cable Picture  

Technics EAH-AZ100 Cable Picture Sample

SAMPLE

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Samsung Galaxy Buds4 Pro Cable Picture Sample

SAMPLE

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Analog Audio 
 

Locked
Locked

USB Audio 
 

Locked
Locked

Detachable 
 

Locked
Locked

Length 
 

N/A
N/A

Connector 
 

Locked
Locked

Latency - Analog 
 

N/A
N/A

Latency - USB 
 

N/A
N/A

Recorded Latency 
 

JOIN NOW
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Recorded Latency Connection  

Locked
Locked

Bluetooth Connection 
 

N/A
N/A

Bluetooth Version 
 

Locked
Locked

Multi-Device Pairing 
 

Locked
Locked

Quick Pair (Android) 
 

Locked
Locked

Quick Pair (iOS) 
 

Locked
Locked

Line Of Sight Range 
 

Lock ft (Lock m)
Lock ft (Lock m)

Latency - SBC 
 

Lock ms
Lock ms

Latency - aptX 
 

N/A
N/A

Latency - aptX Adaptive (High Quality) 
 

N/A
N/A

Latency - aptX Adaptive (Low Latency) 
 

N/A
N/A

Latency - LDAC 
 

Lock ms
N/A

Recorded Latency 
 

JOIN NOW
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Recorded Latency Codec  

Locked
Locked

AAC Support 
 

Locked
Locked

Wireless Connection (Dongle) 
 

N/A
N/A

Line Of Sight Range 
 

N/A
N/A

Latency - Dongle 
 

N/A
N/A

Recorded Latency 
 

JOIN NOW
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PC Compatibility 
 

Analog 
 

Locked
Locked

Wired USB 
 

Locked
Locked

Non-BT Wireless 
 

Locked
Locked

PlayStation Compatibility 
 

PS4 Analog 
 

Locked
Locked

PS4 Wired USB 
 

Locked
Locked

PS4 Non-BT Wireless 
 

Locked
Locked

PS5 Analog 
 

Locked
Locked

PS5 Wired USB 
 

Locked
Locked

PS5 Non-BT Wireless 
 

Locked
Locked

Xbox Compatibility 
 

Xbox One Analog 
 

Locked
Locked

Xbox One Wired USB 
 

Locked
Locked

Xbox One Non-BT Wireless 
 

Locked
Locked

Xbox Series X|S Analog 
 

Locked
Locked

Xbox Series X|S Wired USB 
 

Locked
Locked

Xbox Series X|S Non-BT Wireless 
 

Locked
Locked

Base/Dock 
 

N/A
N/A

Type 
 

Locked
Locked

USB Input 
 

Locked
Locked

Line In 
 

Locked
Locked

Line Out 
 

Locked
Locked

Optical Input 
 

Locked
Locked

RCA Input 
 

Locked
Locked

Dock Charging 
 

Locked
Locked

Power Supply 
 

Locked
Locked

Check Price

Black
EAH-AZ100
SEE PRICE
Amazon.com
Black
Galaxy Buds4 Pro
SEE PRICE
Amazon.com
Champagne Gold
EAH-AZ100
SEE PRICE
Amazon.com
White
Galaxy Buds4 Pro
SEE PRICE
Amazon.com
Midnight Blue
EAH-AZ100
SEE PRICE
Amazon.com
 
Silver
EAH-AZ100
SEE PRICE
Amazon.com
 
Back to Top

Technics EAH-AZ100

Samsung Galaxy Buds4 Pro

Comments

  1. Comparison
 • Posted 1 month ago

Technics EAH-AZ100 vs Samsung Galaxy Buds4 Pro: Main Discussion

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