Bose Soundlink Flex 2nd gen vs Soundcore 3/Soundcore Select 2

Last updated: August 28, 2026

Short answer: the Bose Soundlink Flex 2nd gen for better sound quality, the Soundcore 3/Soundcore Select 2 for the lower price. The Bose Soundlink Flex 2nd gen ranks #33 of 136 medium speakers at $159. The Soundcore 3/Soundcore Select 2 ranks #54 at $49.99, $109.01 cheaper.

What the Bose Soundlink Flex 2nd gen offers: Pretty much identical sounding to the 1st gen Watch for: Not stereo. Warm sounding with overly boosted bass which drowns out midrange detail. Self drains the battery about 10% a week.

What the Soundcore 3/Soundcore Select 2 offers: Good battery life - 20+ hours on a charge. IPX7 rated. PartyCast mode links multiple speakers; app EQ presets. Watch for: A little less bass than similar size speakers.

Buy the Bose Soundlink Flex 2nd gen if sound quality is the priority over the price, or the Soundcore 3/Soundcore Select 2 if the price is the priority over sound quality.

If battery life is a priority, the Soundcore 3/Soundcore Select 2 is rated for 24 hours versus 12 hours for the Bose Soundlink Flex 2nd gen.

Bose Soundlink Flex 2nd gen vs Soundcore 3/Soundcore Select 2

Specifications Side By Side

Bose Soundlink Flex 2nd gen Soundcore 3/Soundcore Select 2
Price$159.00$49.99
Ranked#33 of 136 in Medium Size Portable Bluetooth Speakers#54 of 136 in Medium Size Portable Bluetooth Speakers
AppYesYes
Battery Life12 hours (Manufacturer specified)24 hours (Manufacturer specified)
Built in MicrophoneYes-
EQYes (3 band)Yes
IP RatingIP67IPX7
Party ModeYes (Bose Party mode)Yes (PartyCast up to 100 speakers)
Power InputUSB-C-
StereoNoYes
OmnidirectionalNoNo
TWSYes-
Weight1.3 lbs / 586 g0.8 lbs / 372 g
Bluetooth Version5.35.0
Dimensions7.9" x 3.5" x 2" (201 x 90 x 52 mm)6.9" x 2.2" x 2.3" (174 x 57 x 59 mm)
Aux InputNo-
Drivers60mm full-range driver with passive radiators2x 38mm (1.5") titanium diaphragm full-range drivers + 2x passive radiators
Bluetooth CodecsSBC, AAC, aptX Adaptive-
Digital Aux InputNoNo
Bass Extension (-10dB)-60Hz
Bluetooth Latency-180ms
Max Volume-99dB
Output Power-16W

Other pairings from the same speaker class worth checking:

Prices on this page were last checked August 27, 2026 at 10:09 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 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

Soundcore 3/Soundcore Select 2: $49.99 Amazon eBay

Soundcore 3/Soundcore Select 2 ranking card

Pros: Good battery life - 20+ hours on a charge. IPX7 rated. PartyCast mode links multiple speakers; app EQ presets.

Cons: A little less bass than similar size speakers.

AppYes
Bass Extension (-10dB)60Hz
Battery Life24 hours (Manufacturer specified)
Bluetooth Latency180ms
Bluetooth Version5.0
Digital Aux InputNo
Dimensions6.9" x 2.2" x 2.3" (174 x 57 x 59 mm)
Drivers2x 38mm (1.5") titanium diaphragm full-range drivers + 2x passive radiators
EQYes
IP RatingIPX7
Max Volume99dB
OmnidirectionalNo
Output Power16W
Party ModeYes (PartyCast up to 100 speakers)
StereoYes
Weight0.8 lbs / 372 g