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  1. Table of Contents
  2. Top
  3. Main Differences
  4. Design
    1. Pictures
    2. Style
    3. Portability
    4. Build Quality
    5. Controls
    6. In The Box
  5. Sound
    1. Frequency Response Accuracy
    2. Raw Frequency Response
    3. Soundstage
    4. Dynamics
  6. Active Features
    1. Battery
    2. Voice Assistant
    3. App
  7. Connectivity
    1. Wired
    2. Bluetooth
    3. Wi-Fi
  8. Comments

Bose SoundLink Revolve II vs Bose SoundLink Flex

Side-by-Side Comparison

Products

Bose SoundLink Revolve II
Bose SoundLink Flex

Tested using Methodology v0.8

Updated Oct 24, 2024 02:17 PM

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Tested using Methodology v0.8

Updated Oct 31, 2024 02:49 PM

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Bose SoundLink Revolve II Picture
Bose SoundLink Flex Picture
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Variants

  • SoundLink Revolve II (Luxe Silver)
  • SoundLink Revolve II (Triple Black)
  • SoundLink Flex (Black)
  • SoundLink Flex (Carmine Red)
  • SoundLink Flex (Chilled Lilac)
  • SoundLink Flex (Cypress Green)
  • SoundLink Flex (Stone Blue)
  • SoundLink Flex (White Smoke)

Our Verdict

Bose SoundLink Revolve II

Bose SoundLink Flex

The Bose SoundLink Revolve II and the Bose SoundLink Flex have different strengths. The Revolve II offers a wider and more natural-sounding soundstage thanks to its 360-degree design. It also has a longer-lasting battery life, though this can vary depending on your usage. That said, the Flex is better built with an IP67 rating for dust and water resistance. It can also get a bit louder with a bit less compression present at max volume.

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Luxe Silver
SoundLink Revolve II
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Black
SoundLink Flex
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Triple Black
SoundLink Revolve II
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Carmine Red
SoundLink Flex
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Chilled Lilac
SoundLink Flex
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Cypress Green
SoundLink Flex
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Stone Blue
SoundLink Flex
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White Smoke
SoundLink Flex
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Main Differences for

Threshold 

0.10

Music 

6.5
6.3

Soundstage 
 

7.1
5.5

Dynamics 
 

5.7
6.4

Full Comparison

Design

Style  

Style Photo  

Bose SoundLink Revolve II Style Photo
Bose SoundLink Flex Style Photo

RGB Lights  

No
No

Show text

Portability 
 

9.2
9.2

Dimensions Photo  

Bose SoundLink Revolve II Dimensions Photo
Bose SoundLink Flex Dimensions Photo

Volume 
 

62 in³ (1,022 cm³)
57 in³ (942 cm³)

Weight 
 

1.5 lbs (0.7 kg)
1.3 lbs (0.6 kg)

Power Source 
 

Battery & USB
Battery & USB

One-Hand Carry 
 

Yes
Yes

Show text

Build Quality 
 

8.2
8.7

Build Quality Photo  

Bose SoundLink Revolve II Build Quality Photo
Bose SoundLink Flex Build Quality Photo

Material Quality 
 

Good
Good

Water Resistance 
 

Waterproof (IPx5)
Submersible (IPx7)

Dust Resistance 
 

Dust-Protected (IP5x)
Dust-Proof (IP6x)

Impact Resistance 
 

Yes (IK rating unspecified)
Yes (IK rating unspecified)

Floats In Water 
 

Unspecified
Yes

Show text

Controls 
 

9.0
8.4

Controls Photo  

Bose SoundLink Revolve II Controls Photo
Bose SoundLink Flex Controls Photo

Controls Photo 2  

Bose SoundLink Revolve II Controls Photo 2
Bose SoundLink Flex Controls Photo 2

Ease Of Use 
 

Great
Okay

Feedback 
 

Great
Decent

Music Play/Pause 
 

Yes (Physical)
Yes (Physical)

Call Answer/End 
 

Yes (Physical)
Yes (Physical)

Volume Up/Down 
 

Yes (Physical)
Yes (Physical)

Track Next/Previous 
 

Yes (Physical)
Yes (Physical)

Microphone On/Off 
 

Yes (Physical)
Yes (Physical)

Additional Controls 
 

Yes
Yes

Show text

In The Box 
 

In The Box Photo  

Bose SoundLink Revolve II In The Box Photo
Bose SoundLink Flex In The Box Photo

Show text

Sound

Frequency Response Accuracy 
 

6.9
6.9

Frequency Response Graph  

See details on graph tool
See details on graph tool

Slope 
 

-0.07
0.22

Std. Err. 
 

3.03 dB
2.85 dB

Low-Frequency Extension 
 

60.8 Hz
60.8 Hz

High-Frequency Extension 
 

17.7 kHz
15.6 kHz

Show text

Raw Frequency Response 
 

Raw Frequency Response Graph  

See details on graph tool
See details on graph tool

Binaural Recording @ 1m 
 

Binaural Recording @ 2m 
 

Soundstage 
 

7.1
5.5

Directivity Graph  

See details on graph tool
See details on graph tool

Directivity Index 
 

1.74 dB
4.59 dB

Stereo 
 

No (mono)
No (mono)

Show text

Dynamics 
 

5.7
6.4

Dynamic Range Compression  

See details on graph tool
See details on graph tool

SPL @ Max Volume 
 

84.3 dB SPL
87.5 dB SPL

DRC @ Max Volume 
 

3.68 dB
3.02 dB

Show text

Active Features

Battery 
 

8.0
6.7

Battery Life 
 

9.5 hrs
7.2 hrs

Charge Time 
 

2.7 hrs
2.7 hrs

Power Saving 
 

Yes
Yes

Charging Port 
 

Micro-USB
USB-C

Battery Powered 
 

Yes
Yes

Show text

Voice Assistant 
 

5.7
5.7

Alexa 
 

No
No

Google Assistant 
 

Yes (Requires Smartphone)
Yes (Requires Smartphone)

Speakerphone 
 

Yes
Yes

Siri 
 

Yes (Requires Smartphone)
Yes (Requires Smartphone)

Voice Assistant 
 

Yes
Yes

Voice Activation 
 

No
No

Microphone Mute 
 

No
No

Far-Field Performance 
 

Excellent
Excellent

Ambient Noise Performance 
 

Excellent
Excellent

Show text

App 
 

6.6
6.6

App Picture  

Bose SoundLink Revolve II App Picture
Bose SoundLink Flex App Picture

App Name 
 

Bose Connect
Bose Connect

iOS 
 

Yes
Yes

Android 
 

Yes
Yes

EQ 
 

No
No

Stereo Pair Mode 
 

Yes
Yes

Party Mode 
 

Yes
Yes

Multi-Room 
 

No
No

Show text

Connectivity

Wired 
 

Aux Input 
 

Yes
No

USB Audio 
 

Yes
No

Other Ports 
 

No
No

Show text

Bluetooth 
 

9.7
8.0

Bluetooth 
 

Yes
Yes

Bluetooth Version 
 

4.1
4.2

Bluetooth iOS Latency 
 

23 ms
236 ms

Bluetooth Android Latency 
 

13 ms
109 ms

Bluetooth Range 
 

221.5 ft (67.5 m)
255.9 ft (78.0 m)

Multi-Device Pairing 
 

2 Devices
2 Devices

Show text

Wi-Fi 
 

0.0
0.0

Wi-Fi Version 
 

No Wi-Fi
No Wi-Fi

Wi-Fi Frequency Band 
 

No Wi-Fi
No Wi-Fi

Wi-Fi 
 

No
No

Apple AirPlay 
 

No
No

AirPlay Latency 
 

N/A
N/A

Google Chromecast 
 

No
No

Chromecast Latency 
 

N/A
N/A

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Luxe Silver
SoundLink Revolve II
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Black
SoundLink Flex
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Triple Black
SoundLink Revolve II
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Carmine Red
SoundLink Flex
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Chilled Lilac
SoundLink Flex
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Cypress Green
SoundLink Flex
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Stone Blue
SoundLink Flex
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White Smoke
SoundLink Flex
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Bose SoundLink Revolve II

Bose SoundLink Flex

Comments

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Bose SoundLink Revolve II vs Bose SoundLink Flex: Main Discussion

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