Bose Soundlink Revolve+ II vs Ultimate Ears Wonderboom 4

Last updated: October 12, 2026

Short answer: the Bose Soundlink Revolve+ II on measured sound quality, the Ultimate Ears Wonderboom 4 on price. The Bose Soundlink Revolve+ II ranks #52 of 175 medium speakers, rated 3.6/5, at $299. The Ultimate Ears Wonderboom 4 ranks #109, rated 2.9/5, at $74.50, $224.50 cheaper.

Bose Soundlink Revolve+ II vs Ultimate Ears Wonderboom 4

The Bose Soundlink Revolve+ II is the better-sounding option. True 360° sound stays consistent no matter where you stand around it, unlike most portable speakers. It keeps a wired aux input, which the Ultimate Ears Wonderboom 4 lacks. The tradeoff: Overly boosted bass, warm sounding.

The Ultimate Ears Wonderboom 4 is the lighter, tougher pick. At 0.9 lbs (420 g) it weighs much less than the Bose Soundlink Revolve+ II at 2 lbs (910 g). It is rated IP67 against IP55 for the Bose Soundlink Revolve+ II. It charges over USB-C rather than Micro USB. The catch: Bass isn’t as deep as the top-ranked speakers and is a little thuddy.

Buy the Bose Soundlink Revolve+ II when sound quality outweighs the price for you, and the Ultimate Ears Wonderboom 4 when the price outweighs sound quality instead.

Looking for alternatives? See the complete Portable Bluetooth rankings.

Specifications Side By Side

Bose Soundlink Revolve+ II Ultimate Ears Wonderboom 4
Price$299.00$74.50
Ranked#52 of 175 in Medium Size Portable Bluetooth Speakers#109 of 175 in Medium Size Portable Bluetooth Speakers
Aux InputYesNo
Battery Life17 hours (Manufacturer specified)14 hours (Manufacturer specified)
IP RatingIP55IP67
Power InputMicro USBUSB-C
StereoNoNo
OmnidirectionalYesYes
Weight2 lbs (0.91 kg)0.9 lbs (420 g)
BluetoothYesYes
Bluetooth Version4.15.2
Dimensions3.2” x 6” x 3.2” (82 x 152 x 82 mm)4.1” x 3.8” (104 x 95.3 mm)
AppBose ConnectNo
Built-in MicrophoneYesNo
Bluetooth CodecsSBCSBC
EQNoNo
Drivers1x omnidirectional full-range transducer + 2x passive radiators (driver size undisclosed by Bose)2x 40mm active drivers + 2x passive radiators (46.1 x 65.2mm)
Digital Aux InputNoNo
TWSYesYes
StrapNoYes (built-in loop)
Maximum SPL-87dB (Manufacturer specified)
Party Mode-No
Power Bank-No

How Bose Soundlink Revolve+ II compares with other leading options:

Prices on this page were last checked October 12, 2026 at 4:13 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.

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The Two Speakers In Full

Bose Soundlink Revolve+ II ranking card

Older model: the Bose Soundlink Revolve+ (ranked lower, rated 3.6/5). See every Bose SoundLink Revolve generation.

Same family: the Bose SoundLink Revolve (Series II) (smaller model, ranked lower, rated 3.6/5).

Pros: True 360° sound stays consistent no matter where you stand around it, unlike most portable speakers.

Cons: Overly boosted bass, warm sounding. Boosted mids. Rolled off treble. Only IP55.

ReleasedJan 2021 (5 years ago)
AppBose Connect
Aux InputYes
Battery Life17 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC
Bluetooth Version4.1
Built-in MicrophoneYes
Digital Aux InputNo
Dimensions3.2” x 6” x 3.2” (82 x 152 x 82 mm)
Drivers1x omnidirectional full-range transducer + 2x passive radiators (driver size undisclosed by Bose)
EQNo
IP RatingIP55
OmnidirectionalYes
Power InputMicro USB
StereoNo
StrapNo
TWSYes
Weight2 lbs (0.91 kg)

Ultimate Ears Wonderboom 4: $74.50 Amazon $74.50 eBay

Ultimate Ears Wonderboom 4 ranking card

Older models: the Ultimate Ears Wonderboom 3 (ranked lower, rated 2.9/5), the Ultimate Ears Wonderboom 2 (ranked lower, rated 2.9/5) and the Ultimate Ears Wonderboom (ranked lower, rated 2.9/5). See every Ultimate Ears Wonderboom, Boom and Megaboom generation.

Same family: the Ultimate Ears Boom 4 (larger model, ranked lower, rated 2.9/5) and the Ultimate Ears Megaboom 4 (larger model, ranked lower, rated 2.1/5).

Pros: Small size.

Cons: Bass isn’t as deep as the top-ranked speakers and is a little thuddy. Not much improvement over the previous Ultimate Ears Wonderboom 3 besides the USB-C charging port.

ReleasedJun 2024 (2 years ago)
AppNo
Aux InputNo
Battery Life14 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC
Bluetooth Version5.2
Built-in MicrophoneNo
Digital Aux InputNo
Dimensions4.1” x 3.8” (104 x 95.3 mm)
Drivers2x 40mm active drivers + 2x passive radiators (46.1 x 65.2mm)
EQNo
IP RatingIP67
Maximum SPL87dB (Manufacturer specified)
OmnidirectionalYes
Party ModeNo
Power BankNo
Power InputUSB-C
StereoNo
StrapYes (built-in loop)
TWSYes
Weight0.9 lbs (420 g)