Bose Soundlink Flex 2nd gen vs Bose Soundlink Revolve+ II

Last updated: August 20, 2026

Short answer: the Bose Soundlink Flex 2nd gen. It ranks #33 of 136 medium speakers by sound quality at $129.99; the Bose Soundlink Revolve+ II ranks #45 and costs $269, so there is not much of a tradeoff to weigh.

On the Bose Soundlink Flex 2nd gen side: Pretty much identical sounding to the 1st gen. Watch for: Not stereo. Warm sounding with overly boosted bass which drowns out midrange detail.

What the Bose Soundlink Revolve+ II gets right: True 360° sound stays consistent no matter where you stand around it, unlike most portable speakers. The tradeoff: Overly boosted bass, warm sounding.

Buy the Bose Soundlink Flex 2nd gen. It ranks higher for sound quality than the Bose Soundlink Revolve+ II and costs less, so there is no real case for the other one.

Bose Soundlink Flex 2nd gen vs Bose Soundlink Revolve+ II

Specifications Side By Side

Bose Soundlink Flex 2nd gen Bose Soundlink Revolve+ II
Price$129.99$269.00
Ranked#33 of 136 in Medium Size Portable Bluetooth Speakers#45 of 136 in Medium Size Portable Bluetooth Speakers
AppYesBose Connect
Battery Life12 hours (Manufacturer specified)17 hours (Manufacturer specified)
Built in MicrophoneYesYes
EQYes (3 band)No
IP RatingIP67IP55
Party ModeYes (Bose Party mode)-
Power InputUSB-CMicro USB
StereoNoNo
OmnidirectionalNoYes
TWSYes-
Weight1.3 lbs / 586 g2 lbs / 0.91 kg
Bluetooth Version5.34.1
Dimensions7.9" x 3.5" x 2" (201 x 90 x 52 mm)3.2" x 6" x 3.2" (82 x 152 x 82 mm)
Aux InputNoYes
Drivers60mm full-range driver with passive radiators1x omnidirectional full-range transducer + 2x passive radiators (driver size undisclosed by Bose)
Bluetooth CodecsSBC, AAC, aptX AdaptiveSBC
Digital Aux InputNoNo

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

The Two Speakers In Full

Bose Soundlink Flex 2nd gen ranking card

Pros: Pretty much identical sounding to the 1st gen

Cons: Not stereo. Warm sounding with overly boosted bass which drowns out midrange detail. Self drains the battery about 10% a week.

AppYes
Aux InputNo
Battery Life12 hours (Manufacturer specified)
Bluetooth CodecsSBC, AAC, aptX Adaptive
Bluetooth Version5.3
Built in MicrophoneYes
Digital Aux InputNo
Dimensions7.9" x 3.5" x 2" (201 x 90 x 52 mm)
Drivers60mm full-range driver with passive radiators
EQYes (3 band)
IP RatingIP67
OmnidirectionalNo
Party ModeYes (Bose Party mode)
Power InputUSB-C
StereoNo
TWSYes
Weight1.3 lbs / 586 g

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Bose Soundlink Revolve+ II ranking card

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.

AppBose Connect
Aux InputYes
Battery Life17 hours (Manufacturer specified)
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
Weight2 lbs / 0.91 kg

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