Bose Soundlink Flex 2nd gen vs JBL Charge Essential 2

Last updated: August 18, 2026

Short answer: the Bose Soundlink Flex 2nd gen. It ranks #33 of 136 medium speakers by sound quality at $129.99; the JBL Charge Essential 2 ranks #35 and costs $130, so there is not much of a tradeoff to weigh.

What the Bose Soundlink Flex 2nd gen gets right: Pretty much identical sounding to the 1st gen. The catch: Not stereo.

The case for the JBL Charge Essential 2: Doubles as a power bank. The tradeoff: Not stereo.

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

If battery life is a priority, the JBL Charge Essential 2 is rated for 20 hours versus 12 hours for the Bose Soundlink Flex 2nd gen.

Bose Soundlink Flex 2nd gen vs JBL Charge Essential 2

Specifications Side By Side

Bose Soundlink Flex 2nd gen JBL Charge Essential 2
Price$129.99$130
Ranked#33 of 136 in Medium Size Portable Bluetooth Speakers#35 of 136 in Medium Size Portable Bluetooth Speakers
AppYesNo
Battery Life12 hours (Manufacturer specified)20 hours (Manufacturer specified)
Built in MicrophoneYes-
EQYes (3 band)No
IP RatingIP67IPX7
Party ModeYes (Bose Party mode)No
Power InputUSB-CUSB-C
StereoNoNo
OmnidirectionalNoNo
TWSYes-
Weight1.3 lbs / 586 g2.1 lbs / 930 g
Bluetooth Version5.35.1
Dimensions7.9" x 3.5" x 2" (201 x 90 x 52 mm)8.8" x 3.8" x 3.7" (223 x 96.5 x 94 mm)
Aux InputNo-
Drivers60mm full-range driver with passive radiators53mm x 93mm woofer, 20mm tweeter
Bluetooth CodecsSBC, AAC, aptX Adaptive-
Digital Aux InputNoNo
Bass Extension (-10dB)-~55Hz
Power Bank-Yes (USB-A)
Frequency Response-60Hz - 20kHz (Manufacturer specified)
Output Power-40W

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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JBL Charge Essential 2: $130

JBL Charge Essential 2 ranking card

Pros: Doubles as a power bank. IP67 rated. Close to Charge 5 performance at a lower price.

Cons: Not stereo. Slightly less bass than a Charge 5.

AppNo
Bass Extension (-10dB)~55Hz
Battery Life20 hours (Manufacturer specified)
Bluetooth Version5.1
Digital Aux InputNo
Dimensions8.8" x 3.8" x 3.7" (223 x 96.5 x 94 mm)
Drivers53mm x 93mm woofer, 20mm tweeter
EQNo
Frequency Response60Hz - 20kHz (Manufacturer specified)
IP RatingIPX7
OmnidirectionalNo
Output Power40W
Party ModeNo
Power BankYes (USB-A)
Power InputUSB-C
StereoNo
Weight2.1 lbs / 930 g

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