Sony SRS-XB30 vs Ultimate Ears Boom 4

Last updated: August 20, 2026

Short answer: the Ultimate Ears Boom 4. It ranks #88 of 136 medium speakers by sound quality at $105; the Sony SRS-XB30 ranks #104 and costs $199, so there is not much of a tradeoff to weigh.

What the Sony SRS-XB30 offers: IPX5 rated. Doubles as a power bank for charging your phone. Set against that: Muffled sound, worse than a XB20.

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.

Buy the Ultimate Ears Boom 4. It ranks higher for sound quality than the Sony SRS-XB30 and costs less, so there is no real case for the other one.

If sound quality matters at all to you, skip the Sony SRS-XB30. It ranks near the bottom of the 136 medium speakers, so look higher up the list instead.

If battery life is a priority, the Sony SRS-XB30 is rated for 24 hours versus 15 hours for the Ultimate Ears Boom 4.

Sony SRS-XB30 vs Ultimate Ears Boom 4

Specifications Side By Side

Sony SRS-XB30 Ultimate Ears Boom 4
Price$199$105
Ranked#104 of 136 in Medium Size Portable Bluetooth Speakers#88 of 136 in Medium Size Portable Bluetooth Speakers
Aux InputYesNo
Bass Extension (-10dB)55Hz-
Battery Life24 hours (Manufacturer specified)15 hours (Manufacturer specified)
Party ModeYes (Partychain up to 100 speakers)-
Weight2.2 lbs / 1000 g1.4 lbs / 620 g
IP RatingIPX5IP67
Bluetooth Version4.25.1
Bluetooth CodecsSBC, AAC, LDAC-
Dimensions9" x 3.2" x 3.4" (228 x 82 x 86 mm)7.2" x 2.9" x 2.9" (184 x 73 x 73 mm)
TWSYesYes
AppYes (Sony Music Center)Yes
Built in MicrophoneYesNo
StereoYesYes
OmnidirectionalNoNo
Power InputMicro USBUSB-C
Output Power20W-
Drivers2x 48mm full-range drivers + 2x passive radiators2x 1.57" (40mm) active drivers + 2x 1.81" x 2.57" (46.1 x 65.2mm) passive radiators
Max Volume95dB85dBC
Digital Aux InputNoNo
EQ-Yes (via app)
Power Bank-No

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

The Two Speakers In Full

Sony SRS-XB30: $199

Sony SRS-XB30 ranking card

Pros: IPX5 rated. Doubles as a power bank for charging your phone. Long claimed battery life (up to 24 hours at moderate volume).

Cons: Muffled sound, worse than a XB20

AppYes (Sony Music Center)
Aux InputYes
Bass Extension (-10dB)55Hz
Battery Life24 hours (Manufacturer specified)
Bluetooth CodecsSBC, AAC, LDAC
Bluetooth Version4.2
Built in MicrophoneYes
Digital Aux InputNo
Dimensions9" x 3.2" x 3.4" (228 x 82 x 86 mm)
Drivers2x 48mm full-range drivers + 2x passive radiators
IP RatingIPX5
Max Volume95dB
OmnidirectionalNo
Output Power20W
Party ModeYes (Partychain up to 100 speakers)
Power InputMicro USB
StereoYes
TWSYes
Weight2.2 lbs / 1000 g

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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.