Bose Soundlink Revolve+ II vs Ultimate Ears Megaboom 4

Last updated: October 12, 2026

Short answer: the Bose Soundlink Revolve+ II. It ranks #52 of 175 medium speakers by sound quality, rated 3.6/5, at $299. The Ultimate Ears Megaboom 4 ranks #170, rated 2.1/5, at $200, $99 cheaper, not enough of a saving to outweigh the sound-quality gap.

Bose Soundlink Revolve+ II vs Ultimate Ears Megaboom 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 Megaboom 4 lacks. Watch for: Overly boosted bass, warm sounding.

The Ultimate Ears Megaboom 4 is the tougher option. IP67 rated, floats, and finally uses USB-C charging. It is rated IP67 against IP55 for the Bose Soundlink Revolve+ II. It has an adjustable EQ, which the Bose Soundlink Revolve+ II lacks. It charges over USB-C rather than Micro USB. Watch for: A lot of distortion at higher volumes.

Buy the Bose Soundlink Revolve+ II. It is rated higher for sound quality, and the $99 saving on the Ultimate Ears Megaboom 4 is not enough to make up the difference.

Want more options? Browse the full Portable Bluetooth rankings.

Specifications Side By Side

Bose Soundlink Revolve+ II Ultimate Ears Megaboom 4
Price$299.00$200
Ranked#52 of 175 in Medium Size Portable Bluetooth Speakers#170 of 175 in Medium Size Portable Bluetooth Speakers
Aux InputYesNo
Battery Life17 hours (Manufacturer specified)20 hours (Manufacturer specified)
IP RatingIP55IP67
Power InputMicro USBUSB-C
StereoNoNo
OmnidirectionalYesYes
Weight2 lbs (0.91 kg)2.4 lbs (1.1 kg)
BluetoothYesYes
Bluetooth Version4.15.1
Dimensions3.2” x 6” x 3.2” (82 x 152 x 82 mm)3.4” x 3.4” x 8.9” (87 x 87 x 225 mm)
AppBose ConnectYes
Built-in MicrophoneYesNo
Bluetooth CodecsSBCSBC
EQNoYes (via app)
Drivers1x omnidirectional full-range transducer + 2x passive radiators (driver size undisclosed by Bose)2x 50x50mm full-range + 2x 55x86mm passive radiators
Digital Aux InputNoNo
TWSYesYes
StrapNoYes (built-in loop)
Party Mode-Yes (PartyUp up to 50 speakers)
Maximum SPL-91dB (Manufacturer specified)

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 Megaboom 4: $200 Amazon $200 eBay

Ultimate Ears Megaboom 4 ranking card

Older model: the Ultimate Ears Megaboom 3 (ranked higher, rated 3/5). See every Ultimate Ears Wonderboom, Boom and Megaboom generation.

Same family: the Ultimate Ears Wonderboom 4 (smaller model, ranked higher, rated 2.9/5) and the Ultimate Ears Boom 4 (smaller model, ranked higher, rated 2.9/5).

Pros: IP67 rated, floats, and finally uses USB-C charging. 20 hour battery life. ‘PartyUp’ feature syncs multiple UE speakers together.

Cons: A lot of distortion at higher volumes. Rolled off treble. Not very loud. They really screwed this up

ReleasedJun 2024 (2 years ago)
AppYes
Aux InputNo
Battery Life20 hours (Manufacturer specified)
BluetoothYes
Bluetooth CodecsSBC
Bluetooth Version5.1
Built-in MicrophoneNo
Digital Aux InputNo
Dimensions3.4” x 3.4” x 8.9” (87 x 87 x 225 mm)
Drivers2x 50x50mm full-range + 2x 55x86mm passive radiators
EQYes (via app)
IP RatingIP67
Maximum SPL91dB (Manufacturer specified)
OmnidirectionalYes
Party ModeYes (PartyUp up to 50 speakers)
Power InputUSB-C
StereoNo
StrapYes (built-in loop)
TWSYes
Weight2.4 lbs (1.1 kg)