JBL Charge 2 vs Ultimate Ears Boom 4

Last updated: August 20, 2026

Short answer: the JBL Charge 2 for better sound quality, the Ultimate Ears Boom 4 for the lower price. The JBL Charge 2 ranks #69 of 136 medium speakers at $149. The Ultimate Ears Boom 4 ranks #88 at $105, $44 cheaper.

What the JBL Charge 2 offers: Doubles as a 6000mAh power bank. Set against that: Bass compression at higher volumes.

The case for the Ultimate Ears Boom 4: IP67 rated, floats, and finally charges via USB-C instead of the older Booms’ Micro-USB. The catch: Not much improvement over the old ones.

One note: the JBL Charge 2 is discontinued, but it still ranks #69 of 136 medium speakers by sound quality, ahead of most of what is still sold new, so it is worth considering used.

Buy the JBL Charge 2 if sound quality matters more than the price. Buy the Ultimate Ears Boom 4 if the price matters more than sound quality.

JBL Charge 2 vs Ultimate Ears Boom 4

Specifications Side By Side

JBL Charge 2 Ultimate Ears Boom 4
Price$149 Discontinued$105
Ranked#69 of 136 in Medium Size Portable Bluetooth Speakers#88 of 136 in Medium Size Portable Bluetooth Speakers
Battery Life12 hours (Manufacturer specified)15 hours (Manufacturer specified)
Power BankYes (USB-A, 5V/2.1A)No
Bluetooth Version3.05.1
Drivers2x 45mm fullrange2x 1.57" (40mm) active drivers + 2x 1.81" x 2.57" (46.1 x 65.2mm) passive radiators
Dimensions8.5" x 3.4" x 3" (216 x 86 x 76 mm)7.2" x 2.9" x 2.9" (184 x 73 x 73 mm)
Frequency Response75Hz - 20kHz (Manufacturer specified)-
Output Power15W RMS-
Aux InputYesNo
Bluetooth CodecsSBC-
Built in MicrophoneYesNo
EQNoYes (via app)
AppNoYes
Weight2.4 lbs / 1.1 kg1.4 lbs / 620 g
IP RatingIPX5IP67
DiscontinuedYes-
Party ModeYes (Connect+ up to 100 speakers)-
Digital Aux InputNoNo
OmnidirectionalNoNo
Power Input-USB-C
Stereo-Yes
TWS-Yes
Max Volume-85dBC

More useful head-to-heads from the same speaker class:

The Two Speakers In Full

JBL Charge 2: $149 Discontinued

JBL Charge 2 ranking card

Pros: Doubles as a 6000mAh power bank. ~10-12 hour battery life. Social Mode pairs up to 3 phones; works as a speakerphone.

Cons: Bass compression at higher volumes. Warm sound. slightly rolled off treble. Not as loud as other speakers. Discontinued.

AppNo
Aux InputYes
Battery Life12 hours (Manufacturer specified)
Bluetooth CodecsSBC
Bluetooth Version3.0
Built in MicrophoneYes
Digital Aux InputNo
Dimensions8.5" x 3.4" x 3" (216 x 86 x 76 mm)
DiscontinuedYes
Drivers2x 45mm fullrange
EQNo
Frequency Response75Hz - 20kHz (Manufacturer specified)
IP RatingIPX5
OmnidirectionalNo
Output Power15W RMS
Party ModeYes (Connect+ up to 100 speakers)
Power BankYes (USB-A, 5V/2.1A)
Weight2.4 lbs / 1.1 kg

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Ultimate Ears Boom 4: $105 Amazon

Ultimate Ears Boom 4 ranking card

Pros: IP67 rated, floats, and finally charges via USB-C instead of the older Booms’ Micro-USB. 15 hour battery. Customizable EQ and speaker-pairing via the UE app.

Cons: Not much improvement over the old ones. Weak bass extension and thuddy bass. Gets distorted above 90%

AppYes
Aux InputNo
Battery Life15 hours (Manufacturer specified)
Bluetooth Version5.1
Built in MicrophoneNo
Digital Aux InputNo
Dimensions7.2" x 2.9" x 2.9" (184 x 73 x 73 mm)
Drivers2x 1.57" (40mm) active drivers + 2x 1.81" x 2.57" (46.1 x 65.2mm) passive radiators
EQYes (via app)
IP RatingIP67
Max Volume85dBC
OmnidirectionalNo
Power BankNo
Power InputUSB-C
StereoYes
TWSYes
Weight1.4 lbs / 620 g

As an eBay Partner, we may be compensated if you make a purchase.