Vizio SB4021E

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Vizio SB4021E

The Vizio SB4021E subwoofer is a 2.1 channel audio system, with a 40″ wide soundbar included with the subwoofer. It offers SRS TruSurround and TruVolume effects, and is wall-mountable.  It has two 2.75-inch full-range drivers with a 90Hz to 19.5kHz frequency response range. 

Launch Price


Date Available


Special Features

2.1 Channel Audio System

40″ Wide Soundbar

TruSurround and TruVolume 

Two 2.75″ Full-Range Drivers

Full Specs 

Sound Bar Size


Sound Bar Speakers

Stereo 2.75″ Full Range Drivers

Subwoofer Speakers

6.5″ Subwoofer

Sound Bar Frequency


Subwoofer Frequency 


Sound Enhancement Technology

SRS TruSurround HD, TrueVolume

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