Technics EAH-AZ80 vs Sennheiser MOMENTUM True Wireless 4

Which Headphones Are Better?

Products

Technics EAH-AZ80
Sennheiser MOMENTUM True Wireless 4

Tested using Methodology v2.0

Updated Nov 24, 2025 05:43 PM

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Tested using Methodology v2.0

Updated Nov 25, 2025 05:50 PM

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Our Verdict

Technics EAH-AZ80

Sennheiser MOMENTUM True Wireless 4

The Sennheiser MOMENTUM True Wireless 4 and the Technics EAH-AZ80 are premium buds with premium feature sets. They both offer a comparable battery life performance and are similarly well-constructed. While both provide a great level of attenuation against ambient sound, the Sennheiser have the edge here, blocking out more external noise across the entire frequency range. They also support the aptX Adaptive suite and LE Audio. That said, the Technics have a more comfortable fit and LDAC support, and they feature three-way Bluetooth multi-device connectivity for staying connected to multiple devices on the go.

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Variants

  • EAH-AZ80 (Black)
  • EAH-AZ80 (Midnight Blue)
  • MOMENTUM True Wireless 4 (Blue)
  • MOMENTUM True Wireless 4 (Copper)

Check Price

Black
EAH-AZ80
SEE PRICE
Amazon.com
Blue
MOMENTUM True Wireless 4
SEE PRICE
BestBuy.com
Midnight Blue
EAH-AZ80
SEE PRICE
Amazon.com
Copper
MOMENTUM True Wireless 4
SEE PRICE
Amazon.com
Silver
EAH-AZ80
SEE PRICE
Amazon.com
Graphite
MOMENTUM True Wireless 4
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Amazon.com
 
White
MOMENTUM True Wireless 4
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Amazon.com

Main Differences for
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Full Comparison

Sound

Sound Profile 
 

Sound Profile  

Technics EAH-AZ80 Sound Profile Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 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
Show Text 

Frequency Response Consistency 
 

N/A
N/A

Consistency L  

Technics EAH-AZ80 Consistency L Sample

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Sennheiser MOMENTUM True Wireless 4 Consistency L Sample

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Consistency R  

Technics EAH-AZ80 Consistency R Sample

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Sennheiser MOMENTUM True Wireless 4 Consistency R Sample

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Std. Deviation 
 

Lock dB
Lock dB
Show Text 

Raw Frequency Response 
 

Raw FR L  

Technics EAH-AZ80 Raw FR L Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Raw FR L Sample

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Raw FR R  

Technics EAH-AZ80 Raw FR R Sample

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Sennheiser MOMENTUM True Wireless 4 Raw FR R Sample

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Bass Profile: Target Compliance 
 

N/A
N/A

Bass Profile: Target Compliance  

Technics EAH-AZ80 Bass Profile: Target Compliance Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 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
Show Text 

Mid-Range Profile: Target Compliance 
 

N/A
N/A

Mid-Range Profile: Target Compliance  

Technics EAH-AZ80 Mid-Range Profile: Target Compliance Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 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
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Treble Profile: Target Compliance 
 

N/A
N/A

Treble Profile: Target Compliance  

Technics EAH-AZ80 Treble Profile: Target Compliance Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 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
Show Text 

Peaks/Dips 
 

N/A
N/A

Peaks/Dips Graph 
 

Technics EAH-AZ80 Peaks/Dips Graph Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Peaks/Dips Graph Sample

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Peaks 
 

Lock dB
Lock dB

Dips 
 

Lock dB
Lock dB
Show Text 

Stereo Mismatch 
 

N/A
N/A

Frequency Response Mismatch  

Technics EAH-AZ80 Frequency Response Mismatch Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Frequency Response Mismatch Sample

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Phase Response Mismatch  

Technics EAH-AZ80 Phase Response Mismatch Sample

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Sennheiser MOMENTUM True Wireless 4 Phase Response Mismatch 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°
Show Text 

Group Delay 
 

N/A
N/A

Group Delay  

Technics EAH-AZ80 Group Delay Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Group Delay Sample

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Weighted Group Delay 
 

Lock ms
Lock ms
Show Text 

Cumulative Spectral Decay 
 

CSD 
 

Technics EAH-AZ80 CSD Sample

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Sennheiser MOMENTUM True Wireless 4 CSD Sample

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PRTF 
 

N/A
N/A

PRTF  

Technics EAH-AZ80 PRTF Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 PRTF 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-AZ80 Harmonics Levels Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Harmonics Levels Sample

SAMPLE

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THD Ratio  

Technics EAH-AZ80 THD Ratio Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 THD Ratio Sample

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WHD @ 94 dB SPL 
 

Lock%
Lock%

WHD @ 104 dB SPL 
 

Lock%
Lock%
Show Text 

Electrical Aspects 
 

Impedance  

Technics EAH-AZ80 Impedance Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Impedance 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-AZ80 Virtual Soundstage Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Virtual Soundstage 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
Show Text 
Design

Style  

Design Picture 2 
 

Technics EAH-AZ80 Design Picture 2 Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Design Picture 2 Sample

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Type  

Locked
Locked

Enclosure  

Locked
Locked

Wireless  

Locked
Locked

Transducer  

Locked
Locked
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Comfort 
 

N/A
N/A

Comfort Picture 
 

Technics EAH-AZ80 Comfort Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Comfort Picture Sample

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Weight  

Lock lbs
Lock lbs

Clamping Force 
 

Lock lbs
Lock lbs
Show Text 

Controls 
 

N/A
N/A

Controls Picture 
 

Technics EAH-AZ80 Controls Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Controls Picture Sample

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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
Show Text 

Portability 
 

N/A
N/A

Portability Picture 
 

Technics EAH-AZ80 Portability Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Portability Picture Sample

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

 

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

 

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

Volume  

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

Transmitter Required  

Locked
Locked
Show Text 

Case 
 

N/A
N/A

Case Picture 
 

Technics EAH-AZ80 Case Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Case Picture Sample

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Type  

Locked
Locked

 

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

 

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

 

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

Volume  

Lock in³ (Lock cm³)
Lock in³ (Lock cm³)
Show Text 

Build Quality 
 

N/A
N/A

Build Quality Picture 
 

Technics EAH-AZ80 Build Quality Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Build Quality Picture Sample

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Stability 
 

N/A
N/A

Stability Picture 
 

Technics EAH-AZ80 Stability Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Stability Picture Sample

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Show Text 

Headshots 1  

Angled Picture 
 

Technics EAH-AZ80 Angled Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Angled Picture Sample

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Side Picture 
 

Technics EAH-AZ80 Side Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Side Picture Sample

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Headshots 2  

Front Picture 
 

Technics EAH-AZ80 Front Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Front Picture Sample

SAMPLE

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Rear Picture 
 

Technics EAH-AZ80 Rear Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Rear Picture Sample

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Top  

Top Picture 
 

Technics EAH-AZ80 Top Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Top Picture Sample

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In The Box  

In The Box Picture 
 

Technics EAH-AZ80 In The Box Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 In The Box Picture Sample

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Show Text 
Isolation

Noise Isolation - Full Range 
 

N/A
N/A

Noise Isolation - Full Range Graph  

Technics EAH-AZ80 Noise Isolation - Full Range Graph Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Noise Isolation - Full Range Graph 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
Show Text 

Noise Isolation - Common Scenarios 
 

N/A
N/A

Noise Isolation - Common Scenarios Graph  

Technics EAH-AZ80 Noise Isolation - Common Scenarios Graph Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Noise Isolation - Common Scenarios Graph Sample

SAMPLE

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Airplane Noise Attenuation 
 

Lock dB
Lock dB

Airplane Noise Isolation Audio 
 

Office Noise Attenuation 
 

Lock dB
Lock dB

Office Noise Isolation Audio 
 

Street Noise Attenuation 
 

Lock dB
Lock dB

Street Noise Isolation Audio 
 

Show Text 

Noise Isolation - Voice Handling 
 

Female Voice 1 
 

Male Voice 1 
 

Female Voice 2 
 

Male Voice 2 
 

Show Text 

ANC Wind Handling 
 

ANC Wind Handling Graph  

Technics EAH-AZ80 ANC Wind Handling Graph Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 ANC Wind Handling Graph Sample

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ANC Wind Noise 
 

Show Text 

Leakage 
 

N/A
N/A

Leakage  

Technics EAH-AZ80 Leakage Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Leakage Sample

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Leakage Audio 
 

Overall Leakage @ 1ft 
 

Lock dB
Lock dB
Show Text 
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-AZ80 Microphone Frequency Response Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Microphone Frequency Response Sample

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Recorded Speech 
 

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
Show Text 

Noise Handling 
 

N/A
N/A

SpNR  

Technics EAH-AZ80 SpNR Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 SpNR 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  

Speech + Subway Noise Handling 
 

0.0
0.0

Speech + Subway Noise Audio Sample  

Show Text 
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
Show Text 

App Support 
 

N/A
N/A

App Picture 
 

Technics EAH-AZ80 App Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 App Picture Sample

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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
Show Text 
Connectivity

Wired Connection 
 

N/A
N/A

Cable Picture 
 

Technics EAH-AZ80 Cable Picture Sample

SAMPLE

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Sennheiser MOMENTUM True Wireless 4 Cable Picture 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 
 

Recorded Latency Connection  

Locked
Locked
Show Text 

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
Lock ms

Latency - aptX Adaptive (High Quality) 
 

N/A
Lock ms

Latency - aptX Adaptive (Low Latency) 
 

N/A
Lock ms

Latency - LDAC 
 

Lock ms
N/A

Recorded Latency 
 

Recorded Latency Codec  

Locked
Locked

AAC Support 
 

Locked
Locked
Show Text 

Wireless Connection (Dongle) 
 

N/A
N/A

Line Of Sight Range 
 

N/A
N/A

Latency - Dongle 
 

N/A
N/A

Recorded Latency 
 

PC Compatibility 
 

Analog 
 

Locked
Locked

Wired USB 
 

Locked
Locked

Non-BT Wireless 
 

Locked
Locked
Show Text 

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
Show Text 

Check Price

Black
EAH-AZ80
SEE PRICE
Amazon.com
Blue
MOMENTUM True Wireless 4
SEE PRICE
BestBuy.com
Midnight Blue
EAH-AZ80
SEE PRICE
Amazon.com
Copper
MOMENTUM True Wireless 4
SEE PRICE
Amazon.com
Silver
EAH-AZ80
SEE PRICE
Amazon.com
Graphite
MOMENTUM True Wireless 4
SEE PRICE
Amazon.com
 
White
MOMENTUM True Wireless 4
SEE PRICE
Amazon.com

Technics EAH-AZ80

Sennheiser MOMENTUM True Wireless 4

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  1. Comparison

Technics EAH-AZ80 vs Sennheiser MOMENTUM True Wireless 4: Main Discussion

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