B&O Beosound A1 3rd gen vs Bose Soundlink Flex 2nd gen

Last updated: August 20, 2026

Short answer: the B&O Beosound A1 3rd gen for better sound quality, the Bose Soundlink Flex 2nd gen for the lower price. The B&O Beosound A1 3rd gen ranks #18 of 136 medium speakers at $399. The Bose Soundlink Flex 2nd gen ranks #33 at $129.99, $269.01 cheaper.

On the B&O Beosound A1 3rd gen side: Longer battery than the 2nd gen (~24 hours at sensible volumes). Watch for: Distorts easier than the 2nd gen with deeper bass.

What the Bose Soundlink Flex 2nd gen gets right: Pretty much identical sounding to the 1st gen. The tradeoff: Not stereo. Warm sounding with overly boosted bass which drowns out midrange detail.

Buy the B&O Beosound A1 3rd gen if sound quality matters more than the price. Buy the Bose Soundlink Flex 2nd gen if the price matters more than sound quality.

If battery life is a priority, the B&O Beosound A1 3rd gen is rated for 24 hours versus 12 hours for the Bose Soundlink Flex 2nd gen.

B&O Beosound A1 3rd gen vs Bose Soundlink Flex 2nd gen

Specifications Side By Side

B&O Beosound A1 3rd gen Bose Soundlink Flex 2nd gen
Price$399.00$129.99
Ranked#18 of 136 in Medium Size Portable Bluetooth Speakers#33 of 136 in Medium Size Portable Bluetooth Speakers
AppYesYes
Aux InputNoNo
Battery Life24 hours (Manufacturer specified)12 hours (Manufacturer specified)
Built in MicrophoneYesYes
EQYesYes (3 band)
Power BankNo-
StereoNoNo
OmnidirectionalPointing upNo
TWSYesYes
Digital Aux InputYes (USB-C)No
Weight1.2 lbs / 558 g1.3 lbs / 586 g
Bluetooth CodecsAAC, aptX AdaptiveSBC, AAC, aptX Adaptive
Bluetooth Version5.15.3
Dimensions5.2" x 1.8" x 5.2" (133 x 46 x 133 mm)7.9" x 3.5" x 2" (201 x 90 x 52 mm)
Drivers82.5mm woofer, 15mm tweeter60mm full-range driver with passive radiators
IP RatingIP67IP67
Output Power60W-
Party Mode-Yes (Bose Party mode)
Power Input-USB-C

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

The Two Speakers In Full

B&O Beosound A1 3rd gen: $399.00 Amazon Bhphotovideo

B&O Beosound A1 3rd gen ranking card

Pros: Longer battery than the 2nd gen (~24 hours at sensible volumes). IP67 rated with a serviceable, replaceable battery - the first Bluetooth speaker with Cradle to Cradle certification. Multipoint connectivity and aptX Adaptive.

Cons: Distorts easier than the 2nd gen with deeper bass. Dipped area in the upper mids. Not as deep of bass as the 2nd gen

AppYes
Aux InputNo
Battery Life24 hours (Manufacturer specified)
Bluetooth CodecsAAC, aptX Adaptive
Bluetooth Version5.1
Built in MicrophoneYes
Digital Aux InputYes (USB-C)
Dimensions5.2" x 1.8" x 5.2" (133 x 46 x 133 mm)
Drivers82.5mm woofer, 15mm tweeter
EQYes
IP RatingIP67
OmnidirectionalPointing up
Output Power60W
Power BankNo
StereoNo
TWSYes
Weight1.2 lbs / 558 g

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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

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