Zebronics Zeb-Astra 20 vs boAt Stone 850 – Detailed Sound Comparison (2026)

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Brand	Zebronics	boAt
Model No	Zeb-Astra 20	Stone 850
Wired / Wireless	Bluetooth Speaker Specification	Bluetooth Speaker Specification
Driver Type	Dynamic	Dynamic

Driver Diameter	52 mm	44 X 2 mm
Impedance	3 Ohm	NA
Sensitivity	NA	NA
Frequency Response	80 Hz - 20000 Hz	80 Hz - 20 KHz
Maximum Power Input	DC 5V	DC 5V / 2A
Maximum Power Output	5 W + 5 W = 10 W ( RMS ) Dual Passive Radiators 52 mm X 2	16 W ( RMS )
Signal to Noise Ratio	85dB	NA

Wireless Technology	Bluetooth	Bluetooth
Bluetooth Version	5.0	5.0
Compatible Profiles	All Bluetooth Devices	All Bluetooth Devices
Supported Codecs	SBC	MP3, WAV, WMA
Battery Type	Lithium-Ion Batteries	Lithium Ion Batteries
Bluetooth Range	10 Meters	10 Meters
Battery Life	10 Hours	13 Hours
Charging Time	4.5 Hours	2.5 Hours

Noise Cancelling	NA	Passive
Aux Connectivity	Yes	Yes
Weight	654 Gram	510 Gram
Dimensions	65 mm X 354 mm X 57 mm	87 mm X 84 mm X 18 mm
Available Colors	Black	Black, Blue, Red
Accessories	Zebronics Zeb-Astra 20 Bluetooth Speaker 1N Micro USB Charging Cable 1N QR Code Guide 1N Input Cable	boAt Stone 850 Bluetooth Speaker User Manual Warranty Card 3.5 mm AUX Cable USB Type- C Charging Cable
Other Features	Built-In FM Radio. Max supported 32 GB. The speaker features an AUX function as well. ZEB-Astra 20 portable speaker has a call function so you can accept or reject calls at a press of a button. Get power-packed sound as the portable speaker comes with dual 52mm drivers that give the audio boost. Magnify the audio experience as the ZEB-Astra 20 wireless portable speaker with TWS function. It has an 8-meter TWS range without obstacles. ZEB-Astra 20 has dual passive radiators and comes with multi-connectivity options like wireless BT, USB, mSD card, AUX, and comes with built-in FM Radio. Enjoy the rich audio experience at home with ZEB-Astra 20 wireless portable speaker that comes with a metal grill that gives it a premium look and feel. The speaker is also compact and decor friendly for any space.	1 Year Manufacturer Warranty. 15 MINS Charge = 150 MINS Playtime 16W boAt Signature Sound with Passive Radiators. A massive 4000mAh battery means non-stop entertainment for you. Power through every party or chilling sesh with its 13 hours of immersive listening.
	Compare Zebronics Zeb-Astra 20 with: Tribit XSound Surf JBL Go 2 boAt Aavante Bar 558 boAt Stone 750 boAt Stone 750 DC Edition	Compare boAt Stone 850 with: boAt Stone SpinX 2.0 Zebronics Zeb-Brio Zebronics Zeb-Astra 10 Zebronics Zeb-Sound Feast 50 Zebronics Zeb-Tough

Differences in power output, channel configuration, and audio technologies can impact overall sound performance. Zebronics Zeb-Astra 20 and boAt Stone 850 are powerful home theatre speaker systems designed to deliver immersive surround sound with modern audio technologies. These speakers are ideal for creating a home theatre-like environment with immersive sound output. Both models offer multiple connectivity options for seamless integration with TVs and other devices. Advanced sound technologies play a major role in delivering a more immersive audio experience.

Verdict: Choosing between Zebronics Zeb-Astra 20 and boAt Stone 850 depends on your need for immersive sound and advanced audio technologies.

Top Differences

Sound Output: 5W vs 16W
Channels: 5 vs 16
Frequency Response: 80 Hz - 20000 Hz vs 80 Hz - 20 KHz
Subwoofer Size: 52 mm vs 44 mm

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