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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

JBL Flip 6 vs Ultimate Ears BOOM 4

Side-by-Side Comparison

Products

JBL Flip 6
Ultimate Ears BOOM 4

Tested using Methodology v0.8

Updated Feb 06, 2025 10:55 PM

SEE PRICE
Amazon.com

Tested using Methodology v0.8

Updated Nov 20, 2024 03:25 PM

SEE PRICE
Amazon.com
JBL Flip 6 Picture
Ultimate Ears BOOM 4 Picture
  1. Recommended in 1 article:
  2. JBL

Variants

  • Flip 6 (Black)
  • Flip 6 (Blue)
  • Flip 6 (Green)
  • Flip 6 (Grey)
  • Flip 6 (Martin Garrix)
  • Flip 6 (Pink)
  • Flip 6 (Red)
  • Flip 6 (Squad)
  • Flip 6 (Teal)
  • Flip 6 (White)
  • BOOM 4 (Active Black)
  • BOOM 4 (Cobalt Blue)
  • BOOM 4 (Enchanting Lilac)
  • BOOM 4 (Raspberry Red)

Our Verdict

JBL Flip 6

Ultimate Ears BOOM 4

The JBL Flip 6 and the Ultimate Ears BOOM 4 are both compact, cylindrical speakers that can easily be carried around in a bag or large pocket. The key difference maker is that the Ultimate Ears features a 360 design that allows it to reproduce audio more consistently across different listening angles. It also has a much longer continuous battery life. For this reason, it's a better pick for most uses, including outdoor use. That said, the JBL features slightly more present bass and treble reproduction, which music lovers will appreciate.

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Main Differences for

Threshold 

0.10

Music 

6.4
6.7

Soundstage 
 

6.3
9.1

Frequency Response Accuracy 
 

6.5
5.7

Dynamics 
 

6.0
7.1

Full Comparison

Design

Style  

Style Photo  

JBL Flip 6 Style Photo
Ultimate Ears BOOM 4 Style Photo

RGB Lights  

No
No

Show text

Portability 
 

9.3
9.2

Dimensions Photo  

JBL Flip 6 Dimensions Photo
Ultimate Ears BOOM 4 Dimensions Photo

Volume 
 

46 in³ (760 cm³)
58 in³ (953 cm³)

Weight 
 

1.1 lbs (0.5 kg)
1.4 lbs (0.6 kg)

Power Source 
 

Battery & USB
Battery & USB

One-Hand Carry 
 

Yes
Yes

Show text

Build Quality 
 

8.3
9.0

Build Quality Photo  

JBL Flip 6 Build Quality Photo
Ultimate Ears BOOM 4 Build Quality Photo

Material Quality 
 

Great
Great

Water Resistance 
 

Submersible (IPx7)
Submersible (IPx7)

Dust Resistance 
 

Dust-Proof (IP6x)
Dust-Proof (IP6x)

Impact Resistance 
 

Unspecified
Yes (IK rating unspecified)

Floats In Water 
 

Unspecified
Yes

Show text

Controls 
 

6.6
5.8

Controls Photo  

JBL Flip 6 Controls Photo
Ultimate Ears BOOM 4 Controls Photo

Controls Photo 2  

JBL Flip 6 Controls Photo 2
Ultimate Ears BOOM 4 Controls Photo 2

Ease Of Use 
 

Great
Good

Feedback 
 

Good
Good

Music Play/Pause 
 

Yes (Physical)
Yes (Physical)

Call Answer/End 
 

No
No

Volume Up/Down 
 

Yes (Physical)
Yes (Physical)

Track Next/Previous 
 

Forward Only (Physical)
No

Microphone On/Off 
 

No
No

Additional Controls 
 

Yes
No

Show text

In The Box 
 

In The Box Photo  

JBL Flip 6 In The Box Photo
Ultimate Ears BOOM 4 In The Box Photo

Show text

Sound

Frequency Response Accuracy 
 

6.5
5.7

Frequency Response Graph  

See details on graph tool
See details on graph tool

Slope 
 

-0.01
-1.26

Std. Err. 
 

2.78 dB
4.07 dB

Low-Frequency Extension 
 

75.5 Hz
93.8 Hz

High-Frequency Extension 
 

17.5 kHz
17.0 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 
 

6.3
9.1

Directivity Graph  

See details on graph tool
See details on graph tool

Directivity Index 
 

3.15 dB
1.72 dB

Stereo 
 

No (mono)
Yes

Show text

Dynamics 
 

6.0
7.1

Dynamic Range Compression  

See details on graph tool
See details on graph tool

SPL @ Max Volume 
 

86.8 dB SPL
87.0 dB SPL

DRC @ Max Volume 
 

3.78 dB
1.55 dB

Show text

Active Features

Battery 
 

6.0
8.8

Battery Life 
 

5.9 hrs
12.1 hrs

Charge Time 
 

2.2 hrs
2.6 hrs

Power Saving 
 

Yes
Yes

Charging Port 
 

USB-C
USB-C

Battery Powered 
 

Yes
Yes

Show text

Voice Assistant 
 

0.0
0.0

Alexa 
 

No
No

Google Assistant 
 

No
No

Speakerphone 
 

No
No

Siri 
 

No
No

Voice Assistant 
 

No
No

Voice Activation 
 

No
No

Microphone Mute 
 

No Microphone
No Microphone

Far-Field Performance 
 

No Microphone
No Microphone

Ambient Noise Performance 
 

No Microphone
No Microphone

Show text

App 
 

7.9
7.9

App Picture  

JBL Flip 6 App Picture
Ultimate Ears BOOM 4 App Picture

App Name 
 

JBL Portable
Ultimate Ears

iOS 
 

Yes
Yes

Android 
 

Yes
Yes

EQ 
 

Graphic
Graphic + Presets

Stereo Pair Mode 
 

Yes
Yes

Party Mode 
 

Yes
Yes

Multi-Room 
 

No
No

Show text

Connectivity

Wired 
 

Aux Input 
 

No
No

USB Audio 
 

No
No

Other Ports 
 

No
No

Show text

Bluetooth 
 

8.0
8.1

Bluetooth 
 

Yes
Yes

Bluetooth Version 
 

5.1
Unspecified

Bluetooth iOS Latency 
 

165 ms
51 ms

Bluetooth Android Latency 
 

168 ms
112 ms

Bluetooth Range 
 

210.0 ft (64.0 m)
341.2 ft (104.0 m)

Multi-Device Pairing 
 

2 Devices
No

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

JBL Flip 6

Ultimate Ears BOOM 4

Comments

  1. Comparison

JBL Flip 6 vs Ultimate Ears BOOM 4: Main Discussion

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