Bose Soundlink Flex 2nd gen vs JBL Charge Essential

Last updated: August 28, 2026

Short answer: the Bose Soundlink Flex 2nd gen for better sound quality, the JBL Charge Essential for the lower price. The Bose Soundlink Flex 2nd gen ranks #33 of 136 medium speakers at $159. The JBL Charge Essential ranks #68 at $73.99, $85.01 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 JBL Charge Essential offers: Doubles as a power bank. IPX7 rated. Supports true wireless stereo pairing with a second Charge Essential. Watch for: Less clarity than the Flip 4, highs rolled off. An overpriced rebranded Charge 3 for people who want stereo sound.

Buy the Bose Soundlink Flex 2nd gen if sound quality matters more than the price. Buy the JBL Charge Essential if the price matters more than sound quality.

Battery life favors the JBL Charge Essential: rated for 20 hours against 12 hours for the Bose Soundlink Flex 2nd gen.

Bose Soundlink Flex 2nd gen vs JBL Charge Essential

Specifications Side By Side

Bose Soundlink Flex 2nd gen JBL Charge Essential
Price$159.00$73.99
Ranked#33 of 136 in Medium Size Portable Bluetooth Speakers#68 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)Yes (Connect+ up to 100 speakers)
Power InputUSB-CMicro USB
StereoNo-
OmnidirectionalNoNo
TWSYes-
Weight1.3 lbs / 586 g1.7 lbs / 770 g
Bluetooth Version5.34.1
Dimensions7.9" x 3.5" x 2" (201 x 90 x 52 mm)8.4" x 3.5" x 3.4" (213 x 89 x 87 mm)
Aux InputNo-
Drivers60mm full-range driver with passive radiators2x 50mm fullrange
Bluetooth CodecsSBC, AAC, aptX Adaptive-
Digital Aux InputNoNo
Power Bank-Yes (USB-A, 5V/2A)
Frequency Response-65Hz - 20kHz (Manufacturer specified)
Output Power-20W RMS

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

JBL Charge Essential: $73.99 Amazon eBay

JBL Charge Essential ranking card

Pros: Doubles as a power bank. IPX7 rated. Supports true wireless stereo pairing with a second Charge Essential.

Cons: Less clarity than the Flip 4, highs rolled off. An overpriced rebranded Charge 3 for people who want stereo sound.

AppNo
Battery Life20 hours (Manufacturer specified)
Bluetooth Version4.1
Digital Aux InputNo
Dimensions8.4" x 3.5" x 3.4" (213 x 89 x 87 mm)
Drivers2x 50mm fullrange
EQNo
Frequency Response65Hz - 20kHz (Manufacturer specified)
IP RatingIPX7
OmnidirectionalNo
Output Power20W RMS
Party ModeYes (Connect+ up to 100 speakers)
Power BankYes (USB-A, 5V/2A)
Power InputMicro USB
Weight1.7 lbs / 770 g