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  1. Home
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Bose SoundLink Flex vs Sony ULT FIELD 1

Which Speaker Is Better?

    Top
    Main Differences
    Design
      PicturesStylePortabilityBuild QualityControlsIn The Box
    Sound
      Frequency Response AccuracyRaw Frequency ResponseSoundstageDynamics
    Active Features
      BatteryVoice AssistantApp
    Connectivity
      WiredBluetoothWi-Fi
    Comments

Products

Bose SoundLink Flex
Sony ULT FIELD 1

Tested using Methodology v0.8

Updated Aug 19, 2026 07:00 PM

SEE PRICE
Bose

Tested using Methodology v0.8

Updated Jul 07, 2026 07:36 PM

SEE PRICE
Amazon
Bose SoundLink Flex Picture

Track

Sony ULT FIELD 1 Picture

Track

Bluetooth
Yes
Wi-Fi
No
Speakerphone
Yes
Voice Assistant
Yes
Battery Powered
Yes
Bluetooth
Yes
Wi-Fi
No
Speakerphone
Yes
Voice Assistant
Yes
Battery Powered
Yes

Our Verdict

Bose SoundLink Flex

Sony ULT FIELD 1

The Bose SoundLink Flex and the Sony ULT FIELD 1 are comparable speakers, each with distinct strengths. They have similar sound profiles. Both speakers will work with your device's Google Assistant or Siri voice assistant, but the Bose does a much better job picking up your voice from afar or in a noisy room. The Bose also lasts a little longer, but battery life varies with usage.

GIFT THIS COMPARISON

0 

Variants

  • SoundLink Flex (Black)
  • SoundLink Flex (Carmine Red)
  • ULT FIELD 1 (Black)
  • ULT FIELD 1 (Forest Gray)

Review

See Bose SoundLink Flex Review
See Sony ULT FIELD 1 Review
0 
1 

Check Price

Black
SoundLink Flex
SEE PRICE
Bose
Black
ULT FIELD 1
SEE PRICE
Amazon
Carmine Red
SoundLink Flex
SEARCH
Amazon
Forest Gray
ULT FIELD 1
SEE PRICE
Amazon
Chilled Lilac
SoundLink Flex
SEARCH
Amazon
Off White
ULT FIELD 1
SEE PRICE
Amazon
Cypress Green
SoundLink Flex
SEARCH
Amazon
Orange
ULT FIELD 1
SEE PRICE
Amazon
Stone Blue
SoundLink Flex
SEE PRICE
B&H
 
White Smoke
SoundLink Flex
SEARCH
Amazon
 

Main Differences for
Music

Threshold 

0.10

Music 
 

0.0
0.0
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Full Comparison

Design

Style  

Style Photo  

Bose SoundLink Flex Style Photo Sample

SAMPLE

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for pictures & test results

Sony ULT FIELD 1 Style Photo Sample

SAMPLE

Join Now

for pictures & test results

RGB Lights  

Locked
Locked

Portability 
 

N/A
N/A

Dimensions Photo  

Bose SoundLink Flex Dimensions Photo Sample

SAMPLE

Join Now

for pictures & test results

Sony ULT FIELD 1 Dimensions Photo Sample

SAMPLE

Join Now

for pictures & test results

Volume 
 

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

Weight 
 

Lock lbs (Lock kg)
Lock lbs (Lock kg)

Power Source 
 

Locked
Locked

One-Hand Carry 
 

Locked
Locked

Build Quality 
 

N/A
N/A

Build Quality Photo  

Bose SoundLink Flex Build Quality Photo Sample

SAMPLE

Join Now

for pictures & test results

Sony ULT FIELD 1 Build Quality Photo Sample

SAMPLE

Join Now

for pictures & test results

Material Quality 
 

Locked
Locked

Water Resistance 
 

Locked
Locked

Dust Resistance 
 

Locked
Locked

Impact Resistance 
 

Locked
Locked

Floats In Water 
 

Locked
Locked

Controls 
 

N/A
N/A

Controls Photo  

Bose SoundLink Flex Controls Photo Sample

SAMPLE

Join Now

for pictures & test results

Sony ULT FIELD 1 Controls Photo Sample

SAMPLE

Join Now

for pictures & test results

Controls Photo 2  

Bose SoundLink Flex Controls Photo 2 Sample

SAMPLE

Join Now

for pictures & test results

Sony ULT FIELD 1 Controls Photo 2 Sample

SAMPLE

Join Now

for pictures & test results

Ease Of Use 
 

Locked
Locked

Feedback 
 

Locked
Locked

Music Play/Pause 
 

Locked
Locked

Call Answer/End 
 

Locked
Locked

Volume Up/Down 
 

Locked
Locked

Track Next/Previous 
 

Locked
Locked

Microphone On/Off 
 

Locked
Locked

Additional Controls 
 

Locked
Locked

In The Box 
 

In The Box Photo  

Bose SoundLink Flex In The Box Photo Sample

SAMPLE

Join Now

for pictures & test results

Sony ULT FIELD 1 In The Box Photo Sample

SAMPLE

Join Now

for pictures & test results

Sound

Frequency Response Accuracy 
 

N/A
N/A

Frequency Response Graph  

Bose SoundLink Flex Frequency Response Graph Sample

SAMPLE

Join Now

for pictures & test results

Sony ULT FIELD 1 Frequency Response Graph Sample

SAMPLE

Join Now

for pictures & test results

Slope 
 

Lock
Lock

Std. Err. 
 

Lock dB
Lock dB

Low-Frequency Extension 
 

Lock Hz
Lock Hz

High-Frequency Extension 
 

Lock kHz
Lock kHz

Raw Frequency Response 
 

Raw Frequency Response Graph  

Bose SoundLink Flex Raw Frequency Response Graph Sample

SAMPLE

Join Now

for pictures & test results

Sony ULT FIELD 1 Raw Frequency Response Graph Sample

SAMPLE

Join Now

for pictures & test results

Binaural Recording @ 1m 
 

Join Now
Join Now

Binaural Recording @ 2m 
 

Join Now
Join Now

Soundstage 
 

N/A
N/A

Directivity Graph  

Bose SoundLink Flex Directivity Graph Sample

SAMPLE

Join Now

for pictures & test results

Sony ULT FIELD 1 Directivity Graph Sample

SAMPLE

Join Now

for pictures & test results

Directivity Index 
 

Lock dB
Lock dB

Stereo 
 

Locked
Locked

Dynamics 
 

N/A
N/A

Dynamic Range Compression  

Bose SoundLink Flex Dynamic Range Compression Sample

SAMPLE

Join Now

for pictures & test results

Sony ULT FIELD 1 Dynamic Range Compression Sample

SAMPLE

Join Now

for pictures & test results

SPL @ Max Volume 
 

Lock dB SPL
Lock dB SPL

DRC @ Max Volume 
 

Lock dB
Lock dB
Active Features

Battery 
 

N/A
N/A

Battery Life 
 

Lock hrs
Lock hrs

Charge Time 
 

Lock hrs
Lock hrs

Power Saving 
 

Locked
Locked

Charging Port 
 

Locked
Locked

Battery Powered 
 

Locked
Locked

Voice Assistant 
 

N/A
N/A

Alexa 
 

Locked
Locked

Google Assistant 
 

Locked
Locked

Speakerphone 
 

Locked
Locked

Siri 
 

Locked
Locked

Voice Assistant 
 

Locked
Locked

Voice Activation 
 

Locked
Locked

Microphone Mute 
 

Locked
Locked

Far-Field Performance 
 

Locked
Locked

Ambient Noise Performance 
 

Locked
Locked

App 
 

N/A
N/A

App Picture  

Bose SoundLink Flex App Picture Sample

SAMPLE

Join Now

for pictures & test results

Sony ULT FIELD 1 App Picture Sample

SAMPLE

Join Now

for pictures & test results

App Name 
 

Locked
Locked

iOS 
 

Locked
Locked

Android 
 

Locked
Locked

EQ 
 

Locked
Locked

Stereo Pair Mode 
 

Locked
Locked

Party Mode 
 

Locked
Locked

Multi-Room 
 

Locked
Locked
Connectivity

Wired 
 

Aux Input 
 

Locked
Locked

USB Audio 
 

Locked
Locked

Other Ports 
 

Locked
Locked

Bluetooth 
 

N/A
N/A

Bluetooth 
 

Locked
Locked

Bluetooth Version 
 

Locked
Locked

Bluetooth iOS Latency 
 

Lock ms
Lock ms

Bluetooth Android Latency 
 

Lock ms
Lock ms

Bluetooth Range 
 

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

Multi-Device Pairing 
 

Locked
Locked

Wi-Fi 
 

N/A
N/A

Wi-Fi Version 
 

Locked
Locked

Wi-Fi Frequency Band 
 

Locked
Locked

Wi-Fi 
 

Locked
Locked

Apple AirPlay 
 

Locked
Locked

AirPlay Latency 
 

N/A
N/A

Google Chromecast 
 

Locked
Locked

Chromecast Latency 
 

N/A
N/A

Check Price

Black
SoundLink Flex
SEE PRICE
Bose
Black
ULT FIELD 1
SEE PRICE
Amazon
Carmine Red
SoundLink Flex
SEARCH
Amazon
Forest Gray
ULT FIELD 1
SEE PRICE
Amazon
Chilled Lilac
SoundLink Flex
SEARCH
Amazon
Off White
ULT FIELD 1
SEE PRICE
Amazon
Cypress Green
SoundLink Flex
SEARCH
Amazon
Orange
ULT FIELD 1
SEE PRICE
Amazon
Stone Blue
SoundLink Flex
SEE PRICE
B&H
 
White Smoke
SoundLink Flex
SEARCH
Amazon
 
Back to Top

Bose SoundLink Flex

Sony ULT FIELD 1

Comments

  1. Comparison
 • Posted 1 year ago

Bose SoundLink Flex vs Sony ULT FIELD 1: Main Discussion

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