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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

Ultimate Ears WONDERBOOM 3 vs Ultimate Ears WONDERBOOM 4

Side-by-Side Comparison

Products

Ultimate Ears WONDERBOOM 3
Ultimate Ears WONDERBOOM 4

Tested using Methodology v0.8

Updated Oct 21, 2024 02:10 PM

Amazon.com

Tested using Methodology v0.8

Updated Feb 06, 2025 10:55 PM

SEE PRICE
Amazon.com
Ultimate Ears WONDERBOOM 3 Picture
Ultimate Ears WONDERBOOM 4 Picture

Variants

  • WONDERBOOM 3 (Active Black)
  • WONDERBOOM 3 (Hyper Pink)
  • WONDERBOOM 3 (Joyous Brights Gray)
  • WONDERBOOM 3 (Performance Blue)
  • WONDERBOOM 4 (Active Black)
  • WONDERBOOM 4 (Cobalt Blue)
  • WONDERBOOM 4 (Hyper Pink)
  • WONDERBOOM 4 (Joyous Bright)

Our Verdict

Ultimate Ears WONDERBOOM 3

Ultimate Ears WONDERBOOM 4

The Ultimate Ears WONDERBOOM 4 and WONDERBOOM 3 are very similar speakers. The main differences are that the WONDERBOOM 4 charges using USB-C and has a 'Podcast' mode. If you watch videos, its lower latency will make a difference in syncing audio and video. However, if you can find the WONDERBOOM 3 at a discount and don't mind the older micro-USB charging port, besides the audio latency, the performance difference is minor.

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Active Black
WONDERBOOM 3
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Active Black
WONDERBOOM 4
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Hyper Pink
WONDERBOOM 3
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Hyper Pink
WONDERBOOM 4
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Joyous Brights Gray
WONDERBOOM 3
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Cobalt Blue
WONDERBOOM 4
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Performance Blue
WONDERBOOM 3
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Joyous Bright
WONDERBOOM 4
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Main Differences for

Threshold 

0.10

Music 

6.8
6.8
No major differences between these speakers for music. See full list of tests below.

Full Comparison

Design

Style  

Style Photo  

Ultimate Ears WONDERBOOM 3 Style Photo
Ultimate Ears WONDERBOOM 4 Style Photo

RGB Lights  

No
No

Show text

Portability 
 

9.3
9.3

Dimensions Photo  

Ultimate Ears WONDERBOOM 3 Dimensions Photo
Ultimate Ears WONDERBOOM 4 Dimensions Photo

Volume 
 

58 in³ (944 cm³)
58 in³ (944 cm³)

Weight 
 

0.9 lbs (0.4 kg)
0.9 lbs (0.4 kg)

Power Source 
 

Battery & USB
Battery & USB

One-Hand Carry 
 

Yes
Yes

Show text

Build Quality 
 

9.0
9.0

Build Quality Photo  

Ultimate Ears WONDERBOOM 3 Build Quality Photo
Ultimate Ears WONDERBOOM 4 Build Quality Photo

Material Quality 
 

Great
Great

Water Resistance 
 

Submersible (IPx7)
Submersible (IPx7)

Dust Resistance 
 

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

Impact Resistance 
 

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

Floats In Water 
 

Yes
Yes

Show text

Controls 
 

6.6
6.6

Controls Photo  

Ultimate Ears WONDERBOOM 3 Controls Photo
Ultimate Ears WONDERBOOM 4 Controls Photo

Controls Photo 2  

Ultimate Ears WONDERBOOM 3 Controls Photo 2
Ultimate Ears WONDERBOOM 4 Controls Photo 2

Ease Of Use 
 

Great
Great

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)
Forward Only (Physical)

Microphone On/Off 
 

No
No

Additional Controls 
 

Yes
Yes

Show text

In The Box 
 

In The Box Photo  

Ultimate Ears WONDERBOOM 3 In The Box Photo
Ultimate Ears WONDERBOOM 4 In The Box Photo

Show text

Sound

Frequency Response Accuracy 
 

6.2
6.3

Frequency Response Graph  

See details on graph tool
See details on graph tool

Slope 
 

0.76
0.31

Std. Err. 
 

2.71 dB
2.29 dB

Low-Frequency Extension 
 

88.5 Hz
89.8 Hz

High-Frequency Extension 
 

16.0 kHz
16.0 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 
 

9.0
9.0

Directivity Graph  

See details on graph tool
See details on graph tool

Directivity Index 
 

1.90 dB
1.79 dB

Stereo 
 

Yes
Yes

Show text

Dynamics 
 

7.3
7.3

Dynamic Range Compression  

See details on graph tool
See details on graph tool

SPL @ Max Volume 
 

86.9 dB SPL
≈ 86.7 dB SPL

DRC @ Max Volume 
 

1.14 dB
1.00 dB

Show text

Active Features

Battery 
 

8.9
8.9

Battery Life 
 

13.2 hrs
13.1 hrs

Charge Time 
 

2.3 hrs
2.5 hrs

Power Saving 
 

Yes
Yes

Charging Port 
 

Micro-USB
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

Far-Field Performance 
 

No Microphone
No Microphone

Ambient Noise Performance 
 

No Microphone
No Microphone

Show text

App 
 

0.0
0.0

App Picture  

Ultimate Ears WONDERBOOM 3 App Picture
Ultimate Ears WONDERBOOM 4 App Picture

App Name 
 

No App
No App

iOS 
 

No
No

Android 
 

No
No

EQ 
 

No
No

Stereo Pair Mode 
 

No
No

Party Mode 
 

No
No

Multi-Room 
 

No
No

Show text

Connectivity

Wired 
 

Aux Input 
 

No
No

USB Audio 
 

No
No

Other Ports 
 

No
No

Show text

Bluetooth 
 

8.3
8.9

Bluetooth 
 

Yes
Yes

Bluetooth Version 
 

Unspecified
5.2

Bluetooth iOS Latency 
 

117 ms
66 ms

Bluetooth Android Latency 
 

155 ms
82 ms

Bluetooth Range 
 

334.6 ft (102.0 m)
334.6 ft (102.0 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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Active Black
WONDERBOOM 3
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Active Black
WONDERBOOM 4
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Hyper Pink
WONDERBOOM 3
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Hyper Pink
WONDERBOOM 4
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Joyous Brights Gray
WONDERBOOM 3
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Cobalt Blue
WONDERBOOM 4
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Performance Blue
WONDERBOOM 3
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Joyous Bright
WONDERBOOM 4
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Ultimate Ears WONDERBOOM 3

Ultimate Ears WONDERBOOM 4

Comments

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Ultimate Ears WONDERBOOM 3 vs Ultimate Ears WONDERBOOM 4: Main Discussion

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