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TCL S4310 3.1 Channel Sound Bar Wireless Subwoofer Dolby Audio — main product image
TCL S4310 3.1 Channel Sound Bar Wireless Subwoofer Dolby Audio
TCL S4310 3.1 Channel Sound Bar Wireless Subwoofer Dolby Audio
TCL S4310 3.1 Channel Sound Bar Wireless Subwoofer Dolby Audio
TCL S4310 3.1 Channel Sound Bar Wireless Subwoofer Dolby Audio
TCL S4310 3.1 Channel Sound Bar Wireless Subwoofer Dolby Audio
TCL S4310 3.1 Channel Sound Bar Wireless Subwoofer Dolby Audio
TCL

TCL S4310 3.1 Channel Sound Bar Wireless Subwoofer Dolby Audio

★★★★★4.0 (48 reviews)

3.1-channel sound bar with wireless subwoofer, Dolby Audio, and 240 watts of room-filling power.

$80.99*$179.99Save 55%
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*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.

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Overview

The TCL S4310 is a 3.1-channel sound bar system that pairs a 31-inch bar with a wireless subwoofer to deliver 240 watts of total audio power. The "3.1" designation means it includes left, right, and center channels in the bar itself, plus the subwoofer for low-frequency effects. The dedicated center channel is a notable inclusion at this price point — it ensures that dialogue remains clear and anchored to the screen even during loud action sequences, addressing one of the most common complaints about basic sound bars. Dolby Audio decoding and DTS Virtual:X processing work together to create a wider, more immersive soundstage than the physical speaker count would suggest.

Connectivity is well-rounded for a budget-oriented system. HDMI ARC provides the simplest single-cable connection to a compatible TV, while digital optical, USB audio playback, and a 3.5mm analog input cover older devices and alternative sources. Bluetooth allows wireless music streaming from phones and tablets without occupying a wired input. The wireless subwoofer houses a 5.5-inch bass driver that handles low-end frequencies, and its wireless connection to the bar means it can be placed wherever it sounds best in the room — though it does still require its own power outlet. The sleek 31-inch form factor is designed to sit unobtrusively beneath a TV, and the overall package offers a substantial step up from flat-panel speakers for movies, music, and gaming.

Key Features

3.1 Channel S Class Soundbar – Fill your room with sound, bringing the movie theater experience into your home with just a single HDMI cable. It’s home theater, made better.

240 Watts Total Audio Power – Room-filling audio sound will immerse you in your favorite movies, TV shows, and music, delivering powerful audio experience.

Built-in Center Speaker for Clear Dialog - Enjoy clear dialog even during action-packed scenes with the built-in center speaker that ensures voices are always heard with crystal-clear clarity.

Wireless Subwoofer with 5.5” Bass Speaker - Feel the bass with the wireless subwoofer featuring a large 5.5” Bass speaker providing deep, rich tones.

Dolby Audio & DTS Virtual: X - Studio-level tuning with Dolby Audio combined with immersive 3D sound of DTS Virtual: X, taking your audio to new heights.

HDMI Input with ARC - Connect seamlessly to your TV with HDMI ARC enabling a simple, one-cable connection.

Sleek S Class Design with 31” Width Bar – Blends with your home decor with the sleek S Series Design that seamlessly fits with any interior design style.

Bluetooth - Stream your favorite music wirelessly with Bluetooth connectivity that allows you to play your favorite songs from your smartphone, tablet, or other Bluetooth-enabled device.

Full Connectivity - Connect to a variety of devices with HDMI, Digital Optical Audio Input, USB Audio Playback, and 3.5mm analog audio input

Voice Assistant Input - Connect to a variety of devices with HDMI, Digital Optical Audio Input, USB Audio Playback, and 3.5mm analog audio input

Specifications

Channels
3.1
Total Audio Power
240 Watts
Sound Bar Width
31 inches
Subwoofer
Wireless, 5.5" bass driver
Audio Formats
Dolby Audio, DTS Virtual:X
HDMI
HDMI ARC Input
Additional Inputs
Digital Optical, USB, 3.5mm Analog
Wireless
Bluetooth
Voice Assistant
Voice Assistant Input supported

Pros & Cons

👍 Pros

  • Dedicated center channel delivers noticeably clearer dialogue over 2.1 sound bars
  • Wireless subwoofer with 5.5-inch driver adds meaningful bass without cable runs
  • 240 watts of total power fills medium to large rooms effectively
  • Wide connectivity including HDMI ARC, optical, USB, Bluetooth, and 3.5mm input
  • Compact 31-inch width fits neatly under most TVs without visual clutter

👎 Cons

  • No Wi-Fi connectivity or smart platform integration for streaming services directly
  • HDMI eARC is not supported, which limits passthrough of lossless audio formats
  • Subwoofer still requires a power outlet despite wireless audio connection
  • No wall-mount hardware included in the box

Frequently Asked Questions

The package includes the 31-inch sound bar with a built-in center channel, a wireless subwoofer with a 5.5-inch bass driver, and the necessary cables and accessories for setup.
The primary connection is HDMI ARC, which requires a single HDMI cable to both transmit audio and allow your TV remote to control the sound bar's volume. It also supports digital optical, USB, and 3.5mm analog audio inputs.
Yes, the S4310 has built-in Bluetooth, so you can wirelessly stream music from any Bluetooth-enabled smartphone, tablet, or other device.
Yes, while the subwoofer connects wirelessly to the sound bar for audio, it still requires its own power outlet.
It supports Dolby Audio and DTS Virtual:X, which provide surround sound processing and enhanced spatial audio from the 3.1-channel configuration.

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