Unix XB-U55 Ultra Star vs boAt Stone 149 – Full Comparison & Verdict (2026)

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Brand	Unix	boAt
Model No	XB-U55 Ultra Star	Stone 149
Wired / Wireless	Bluetooth Speaker Specification	Bluetooth Speaker Specification
Driver Type	Dynamic	Dynamic

Driver Diameter	57 mm	40 mm
Impedance	4 Ohms	NA
Sensitivity	85dB	NA
Frequency Response	50Hz - 10KHz	NA
Maximum Power Input	DC 5V 2A	DC 5V / 2A
Maximum Power Output	5 W ( RMS )	3 W ( RMS )
Signal to Noise Ratio	80dB	NA

Wireless Technology	Bluetooth	Bluetooth
Bluetooth Version	5.0	5.0+EDR
Compatible Profiles	All Bluetooth Devices	All Bluetooth Devices
Supported Codecs	MP3, SBC	MP3, WAV, WMA
Battery Type	Lithium-Ion Batteries	Lithium Ion Batteries
Bluetooth Range	10 Meters	10 Meters
Battery Life	Up To 5 Hours	6 Hours
Charging Time	3 Hours	4 Hours

Noise Cancelling	NA	NA
Aux Connectivity	Yes	Yes
Weight	250 GM	185 Grams
Dimensions	105 mm X 105 mm X 83 mm	81 mm X 59 mm X 59 mm
Available Colors	Black, Blue, Red, Green	Blue
Accessories	Unix XB-U55 Ultra Star Bluetooth Speaker User Manual USB Type-C Charging Cable	boAt Stone 149 Bluetooth Speaker User Manual Warranty Card 3.5 mm AUX Cable Micro USB Charging Cable
Other Features	Long-lasting entertainment with a 1200mAh battery, providing up to 5 hours of playtime. Seamless wireless connectivity with Bluetooth 5.0 and a range of 10 meters for convenience. Enjoy a vibrant audio experience with a 5W speaker, equipped with a 57mm magnetic driver and vibration film. Experience an enhanced visual experience with the built-in RGB light, adding an attractive aesthetic to your music setup. Versatile support for various modes, including TF card, USB, FM, and Bluetooth, making it suitable for various audio sources. Compact and stylish design, measuring 105mm long, 83mm wide, and 105mm high, with color options in black, red, blue, and military green. Elevate your auditory experience with the Unix XB-U55 Ultra Star Wireless Speaker. Packed with powerful features and a sleek design, this speaker is designed to enhance your music and entertainment on the go.	1 year warranty from the date of purchase. The speaker offers 3W of premium High Definition sound. It offers resistance against sweat and water scares with its IPX4 rating. Stone 149 supports instant wireless connectivity with Bluetooth v5.0 along with EDR. Stone 149 comes equipped with 40 mm Dynamic Drivers for powerful immersive sound. Its power packed 1200 mAh battery ensures extended indulgence in musical bliss with up to 6 hours of play time.
	Compare Unix XB-U55 Ultra Star with: Krisons Wonder Soundbar boAt Stone 800 boAt Stone E 300 Unix India Mystic Blaupunkt BT03	Compare boAt Stone 149 with: boAt Stone E 300 boAt Stone 800 Krisons Wonder Soundbar Unix Boom-Ra Best Blaupunkt BT03

Variations in sound output and surround capabilities affect how immersive the audio experience feels. boAt Stone 149 and Unix XB-U55 Ultra Star are feature-rich speaker setups offering a combination of powerful sound, surround experience, and connectivity options. Support for technologies like Dolby Atmos and DTS enhances the depth and realism of sound. Both models offer multiple connectivity options for seamless integration with TVs and other devices. Both systems aim to provide room-filling sound suitable for various entertainment needs.

Verdict: Both speakers offer strong performance, and the better choice depends on your preference for power, surround sound, and features.

Top Differences

Sound Output: 3W vs 5W
Channels: 3 vs 5
Bluetooth: na vs yes
Bluetooth Version: 5.0+EDR vs 5.0
Frequency Response: NA vs 50Hz - 10KHz

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