Bose SoundLink Flex vs Ultimate Ears Boom 3 – Key Differences & Best Choice (2026)

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Bose SoundLink Flex
Rs.15,900.00

Ultimate Ears Boom 3
Rs.15,995.00

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Price	15900.00	15995.00
Brand	Bose	Ultimate Ears
Model No	SoundLink Flex	Boom 3
Wired / Wireless	Bluetooth Speaker Specification	Bluetooth Speaker Specification

Driver Type	Dynamic	Dynamic
Driver Diameter	NA	NA
Impedance	NA	NA
Sensitivity	NA	90 dBC
Frequency Response	NA	90 Hz - 20000 Hz
Maximum Power Input	NA	5 V / 2A
Maximum Power Output	High-Quality Audio	90 W ( RMS ) Two 2” Drivers Two 2” x 4” Passive Radiators

Wireless Technology	Bluetooth	Bluetooth
Bluetooth Version	4.2	5.0
Compatible Profiles	All Bluetooth Devices	All Bluetooth Devices
Supported Codecs	NA	A2DP
Battery Type	Lithium-Ion Batteries	Lithium-Ion Batteries
Bluetooth Range	9 Meters	45 Meters
Battery Life	12 Hours	15 Hours
Charging Time	4 Hours	2 Hours

Signal to Noise Ratio	NA	NA
Noise Cancelling	NA	Passive
Aux Connectivity	No	No
Weight	600 Gram	608 Gram
Dimensions	90 mm X 201 mm X 52 mm	184 mm X 73 mm X 73 mm
Available Colors	Black, White, Blue, Red	Black, Blue, Red, Pink
Accessories	Bose SoundLink Flex Bluetooth Speaker USB-C To USB-A Charging Cable	Ultimate Ears Boom 3 Bluetooth Speaker Quick Start Guide
Other Features	Keeps up with you all day. Incredible sound in any position. Easy to Connect; lightweight but powerful sound. Rigorously tested to meet an IP67 rating, SoundLink Flex is waterproof and dustproof, inside and out. Its innovative transducer ensures the clearest possible sound, meaning you hear distinct instruments, nuances in the vocals, and balanced treble and bass.	2-YEAR Limited Hardware warranty. BOOM 3 delivers loud and immersive 360Â° sound with deep and accurate bass, all carefully balanced so you can hear every note. BOOM 3 runs on the same battery cell technology as some of the most crave-worthy electric cars. BOOM 3 will stay powered and pumping tunes for 15 hours. BOOM 3 is completely waterproof and floats. Boasting an insane IP67 water and dustproof rating, it can be totally submerged in water for up to 30-minutes. The all-new Magic Button on BOOM 3 allows you to play, pause and skip tracks directly on the speaker. Just push for convenient control of any streaming music. Use PartyUp on the Ultimate Ears app to pair 2, 3, 4...and over 150 speakers for the ultimate sound experience. You can pair any generation of BOOM and MEGABOOM together. BOOM 3 is virtually indestructible. Itâ€™s passed more than 25 seriously tough durability tests, including thousands of button pushes, 100s of tumbles, multiple drop tests, and more.
	Compare Bose SoundLink Flex with: Aiwa RS-X 100 Natsukasii Pro Aiwa SBX-350 A boAt PartyPal 65Pro Elista ELS TT-14000 AUFB Zebronics Zeb-Vibe	Compare Ultimate Ears Boom 3 with: Zebronics Zeb-Vibe Elista ELS TT-14000 AUFB Aiwa RS-X 100 Natsukasii Pro boAt PartyPal 65Pro Aiwa SBX-350 A

Variations in sound output and surround capabilities affect how immersive the audio experience feels. Support for technologies like Dolby Atmos and DTS enhances the depth and realism of sound. Ultimate Ears Boom 3 and Bose SoundLink Flex are feature-rich speaker setups offering a combination of powerful sound, surround experience, and connectivity options. Modern connectivity options make these systems flexible for different setups and devices. Both systems aim to provide room-filling sound suitable for various entertainment needs.

Verdict: Choosing between Ultimate Ears Boom 3 and Bose SoundLink Flex depends on your need for immersive sound and advanced audio technologies.

Top Differences

Bluetooth Version: 5.0 vs 4.2
Frequency Response: 90 Hz - 20000 Hz vs NA

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Top Differences