TCL S45H 2.0 Sound Bar for Smart TV | Dolby Atmos DTS:X

The TCL S45H is a low-profile 2.0 channel sound bar designed to upgrade basic television audio without taking up valuable entertainment center space. It serves as an all-in-one audio solution for apartments, bedrooms, and small to medium living areas where running wires for a multi-speaker system is impractical. Built to work with smart TVs, projectors, gaming setups, and music sources, it provides an immediate boost to dialogue and everyday media.

Despite its single-bar design, the unit integrates Dolby Atmos and DTS Virtual:X processing to simulate surround sound and height effects. It provides up to 100 watts of total output power, offering plenty of volume for smaller spaces without sound distortion. To tailor playback to your specific environment, the sound bar includes AI Sonic Auto Room Calibration, a feature managed through the TCL app that tunes audio balance based on your room layout and seating spot.

Physical setup is quick and versatile. The sound bar measures 31.89 inches wide and 2.36 inches high, allowing it to rest beneath most TV stands without blocking the screen. Connectivity covers modern standards, including HDMI eARC/ARC, digital optical, AUX, and wireless Bluetooth. TCL includes nearly everything needed to get started right out of the box, packaging an HDMI cable, power cord, remote with batteries, and a wall-mount kit.

Buyers should keep in mind the inherent limits of a 2.0 system. Because it operates as a self-contained sound bar without a separate external subwoofer or physical rear satellite speakers, deep low-end bass and true physical surround sound are limited to what virtual processing can reproduce. Additionally, taking advantage of the AI room calibration requires a mobile device capable of running the TCL companion app.

Verdict: The TCL S45H is a solid, space-saving audio upgrade for shoppers wanting simulated spatial sound, flexible inputs, and simple setup in smaller living spaces. If you need clear TV audio and HDMI eARC connectivity without the clutter of extra speaker boxes, this unit is well worth considering.

• Speaker Configuration: 2.0 Channel
• Total Power Output: Up to 100 W
• Audio Formats: Dolby Atmos, DTS Virtual:X
• Dimensions: 31.89" W x 2.36" H x 3.86" D
• Connectivity: HDMI eARC/ARC, Optical, Bluetooth, AUX
• Included Accessories: 1 HDMI cable, 1 power cord, 1 remote with batteries, wall-mount kit

A great fit if you:

• Need a compact, low-profile sound bar that fits cleanly under a TV or mounts on a wall.
• Want virtual Dolby Atmos and DTS:X effects without routing cables for rear speakers.
• Live in an apartment, bedroom, or small room needing up to 100 watts of audio power.
• Prefer an all-in-one package that includes the HDMI cable, mounting hardware, and remote.

Consider something else if you:

• Want dedicated physical rear speakers or a separate wireless subwoofer for heavy bass.
• Do not want to use a smartphone app for acoustic room calibration.

What connection options are available on this sound bar?
The TCL S45H supports HDMI eARC/ARC, digital optical, AUX, and wireless Bluetooth connections for pairing with smart TVs, projectors, and mobile devices.

What accessories come included in the box?
The package includes the sound bar, one HDMI cable, a power cord, a remote control with batteries, and a wall-mount kit.

How does the AI Sonic Auto Room Calibration work?
It is a one-time setup performed through the TCL mobile app that calibrates and balances the sound output according to your room layout and listening position.

What are the physical dimensions of the sound bar?
The unit measures 31.89 inches wide, 2.36 inches high, and 3.86 inches deep.