Samsung HW-B400F/XU vs Vizio V21X-J8 – Detailed Sound Comparison (2026)

ALERT

Brand	Samsung	Vizio
Model No	HW-B400F/XU	V21X-J8
Wired / Wireless	Home Theatre Speaker Specification	Home Theatre Speaker Specification
Driver Type	Dynamic	Dynamic

Driver Diameter	NA	Subwoofer 114.3 mm
Impedance	NA	NA
Sensitivity	NA	NA
Frequency Response	20Hz - 20 KHz	50Hz - 20kHz
Maximum Power Input	Operating Power Consumption Main : 20 W Power Consumption Standby : 0.5 WFree Voltage	AC 100-240V, 50/60Hz
Maximum Power Output	40 W ( RMS ) Number of Speaker 4 Surround Sound Channel Configuration : 2.0	60 W ( RMS ) Speaker Surround Sound Channel Configuration : 2.1
Signal to Noise Ratio	NA	96dB

Noise Cancelling
Aux Connectivity	No	Yes
Weight	Net Weight Main Speaker : 2.1 Kg Set Weight : 2.9 Kg	Sound Bar 2.1 Kg Subwoofer 2.7 Kg
Dimensions	Main Speaker : 641 mm X 66.5 mm X 107 mm Packaged Dimension : 928.0 mm X 120.0 mm X 155.0 mm	Sound Bar 914.4 mm X 57.9 mm X 81.3 mm Subwoofer 195.1 mm X 215.4 mm X 195.1 mm
Available Colors	Black	Black
Accessories	Samsung HW-B400F/XU Home Theatre Speaker Remote Controller	Vizio V21X-J8 Sound Bar Speaker User Manual Power Cords VIZIO Sound Bar Quick Setup Guide Wireless Subwoofer Wall Mount Template Various Audio Cables 2 X Wall Mount Brackets ( Sound Bar ) Remote Control With 2X AAA Batteries
Other Features	One Remote Control. Never miss a word of your favourite show. Sound Modes : Surround Sound Expansion & Standard. Elevate your home cinema set-up with 3D cinematic sound. Elevate your standard TV sound with 4 front-firing speakers. Power Output : 40 W, Powerful 2.0 Channel Sound & 4 Speakers. Great sound and surprisingly good bass within a compact design. Get that home cinema experience without waking the kids or disturbing your neighbours. Audio Features : Voice Enhance Mode, Night Mode LPCM-2 Channel & Dolby-Dolby 2 Channel. Connectivity : HDMI Out 1,Optical In 1, HDMI ARC, HDMI CEC, USB Music Playback, Bluetooth 4.2 & One Control.	Dolby Audio. 2.1 Channels. DTS Virtual : X. Wireless Subwoofer. 3 Powerful Speakers Bluetooth 4.1 + Voice Assistant Input. Plug-and-play with all the audio cables included to get set up in minutes. Sound Bar Warranty - One Year Parts & Labor. Free Lifetime Technical Support. Stream your favorite music, podcasts, and more directly to your sound bar with ease. Clear, distortion-free sound and booming bass bringing depth and impact to all your entertainment. The V-Series 2.1 sound bar packs 2 full-range speakers and a wireless subwoofer into a system that's simple to setup and easy to operate. Step up to better sound. The V-Series 2.1 sound bar packs 3 powerful speakers and a wireless subwoofer into a system that's simple to setup and easy to operate.
	Compare Samsung HW-B400F/XU with: Samsung HW-C400/XU boAt Aavante Bar 1803 boAt Aavante Bar 2600 Vizio V21t-J8 boAt Aavante Bar 2050	Compare Vizio V21X-J8 with: Vizio M215a-J6 boAt Aavante Bar 2050 boAt Aavante Bar 2600 boAt Aavante Bar 1803 Samsung HW-C400/XU

Key differences lie in output power, channel setup, and feature support, which influence performance. These speakers are ideal for creating a home theatre-like environment with immersive sound output. Connectivity features such as Bluetooth and HDMI ensure compatibility with a wide range of devices. Support for technologies like Dolby Atmos and DTS enhances the depth and realism of sound. Vizio V21X-J8 and Samsung HW-B400F/XU are powerful home theatre speaker systems designed to deliver immersive surround sound with modern audio technologies.

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

Top Differences

Sound Output: 60W vs 40W
Channels: 60 vs 40
Bluetooth: na vs yes
Bluetooth Version: 4.1 vs 4.2
Frequency Response: 50Hz - 20kHz vs 20Hz - 20 KHz

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