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Black rectangular soundbar 81.0 in wide 9.8 in deep 6.0 in high 2.0 channel 100W Dolby Atmos

TCL S45H 2.0 Sound Bar 100W Dolby Atmos DTS Virtual:X Black

SKU CH-ACM3-9Q6ES

A 2.0 channel sound bar delivering Dolby Atmos and DTS Virtual:X spatial audio with up to 100 watts of power and AI Sonic auto room calibration

  • Audio channels2.0
  • Speaker setup2.0
  • Driver size31.89 in (81 cm)
  • Rated power100 W
  • Frequency range60 Hz
  • Power supplyCorded Electric
  • Cinematic Dolby Atmos and DTS Virtual:X spatial audio without extra speakers
  • 100 watts total power fills small to medium rooms with clear sound
  • AI Sonic auto room calibration tunes audio to your space via the app
  • 0 channel design connects to any smart TV via HDMI ARC, optical or AUX
  • Bluetooth wireless streaming plays music from phones or tablets

TCL S45H 2.0 Sound Bar

The TCL S45H is a 2.0 channel sound bar designed for smart TV owners who want richer audio without a multi-speaker setup. It delivers up to 100 watts of total power for room-filling sound in apartments, bedrooms, or small to medium spaces. Dolby Atmos and DTS Virtual:X create spatial height and surround effects from a single slim unit. AI Sonic auto room calibration tunes the output to the specific listening environment.

Build Quality and Connectivity

The black cabinet measures 81.0 inches wide by 9.8 inches deep by 6.0 inches high, housing 31.89 inches of driver units for a wide soundstage. A corded electric power supply provides continuous operation without battery management. HDMI eARC/ARC, optical, and AUX inputs cover most modern and legacy TV connections. Bluetooth enables wireless streaming from phones or tablets for music playback. The slim profile fits neatly in front of most displays without blocking the screen.

App Control and Calibration

The TCL mobile app handles the one-time AI Sonic calibration process, measuring room acoustics from the listening position for balanced sound. After setup, the included remote control manages volume, input selection, and sound modes for daily use. This combination removes the need for manual equaliser adjustments while keeping essential controls at hand. The system works with any smart TV, projector, or Bluetooth source for versatile home entertainment.

How it compares

Measured against everything we stock in Soundbar Speaker Systems, at today’s prices. Recalculated every night.

Price $105.99
Cheaper than about 76% of the 339 comparable items (median $419.99).

Specifications

Product
Brand nameTCL
Model nameS45H
Part numberS45H
Product typeSoundBar
Product colorBlack
Audio & video
Audio channels2.0
Speaker setup2.0
Driver size31.89 in (81 cm)
Frequency range60 Hz
Power
Rated power100 W
Power supplyCorded Electric
Size & build
Size and weight81.0 in × 9.8 in × 6.0 in

Questions about this item

What audio formats does the HDMI ARC connection on the S45H support?

The HDMI ARC connection passes Dolby Atmos and DTS Virtual:X bitstreams from a compatible TV so the soundbar can decode spatial audio.

How much horizontal space does the 81.0 in wide S45H need for tabletop placement?

The soundbar measures 81.0 in wide, 9.8 in deep and 6.0 in high; allow at least that footprint plus a few centimetres of clearance for cables.

What is the correct order to run AI Sonic auto room calibration on the S45H?

Connect the soundbar, power it on, open the TCL Home app, select the device and start the one-time calibration before adjusting any manual EQ settings.

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