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Long black sound bar, 81.0 inches wide, 2.0 channel, 100 watts

TCL

TCL S45H 2.0 sound bar 100W 81.0 in

SKU CH-B97B-2VM44 MPN S45H

A 2.0-channel sound bar delivering 100 watts of Dolby-enabled audio with AI room calibration in an 81.0-inch design

  • TypeSoundBar
  • Channels2.0
  • ColorBlack
  • Speakers Configuration2.0
  • Driver Units31.89 inches
  • Power Rating100 watts
  • Cinematic Dolby Atmos and DTS Virtual:X sound creates immersive height effects
  • 100 watts total power fills small to medium rooms with clear, dynamic audio
  • AI Sonic auto room calibration tunes output to your unique layout via the TCL app
  • Slim 81.0 inch bar fits wide TVs while delivering 2.0 channel performance
  • Open-box condition offers latest 2026 model at reduced cost

Compact 81-inch 2.0 sound bar

The TCL S45H is a two-channel sound bar measuring 81.0 inches wide, designed to sit in front of a large-screen TV. Its 2.0 configuration delivers stereo audio without a separate subwoofer, making it a space-saving choice for apartments, bedrooms or medium-sized living rooms where a full surround system is impractical.

Dolby Atmos and AI calibration included

Dolby Atmos and DTS Virtual:X processing create virtual height and surround effects from the two drivers, while AI Sonic auto room calibration tunes the output to the room layout through the TCL app. Bluetooth connectivity adds wireless streaming from phones or tablets, and both a remote control and the app provide everyday operation.

100-watt total power output

The single specification that determines suitability is the 100-watt power rating. It sets the maximum loudness and dynamic headroom for movies, music and gaming, so buyers needing higher output for large open-plan spaces should look elsewhere.

Highlights

  • Cinematic Dolby Atmos and DTS Virtual:X sound creates immersive height effects
  • 100 watts total power fills small to medium rooms with clear, dynamic audio
  • AI Sonic auto room calibration tunes output to your unique layout via the TCL app
  • Slim 81.0 inch bar fits wide TVs while delivering 2.0 channel performance
  • Open-box condition offers latest 2026 model at reduced cost

Specifications

BrandTCL
ModelS45H
Part NumberS45H
TypeSoundBar
Channels2.0
ColorBlack
Speakers Configuration2.0
Driver Units31.89 inches
Power Rating100 watts
Frequency Response60 hertz
Power SupplyCorded Electric
FeaturesDolby Enabled
Dimensions & Weight81.0 in x 9.8 in x 6.0 in
Shipping weight3.13 kg
Package size914 × 165 × 152 mm

Questions about this item

Will the 81.0 in soundbar need any driver servicing or component replacement over time?

The 2.0 channel bar uses fixed 31.89 in driver units with no user-serviceable parts; no scheduled maintenance or replacement is required.

What limits output first during a long movie marathon — the 100 watt amplifier or the 60 hertz low-frequency response?

The 60 hertz frequency response rolls off bass before the 100 watt amplifier reaches its ceiling, so low-end extension is the first limit.

How much heat or fan noise does the corded-electric 100 watt unit produce when running all day?

The 100 watt corded-electric design has no active cooling fan; it runs warm but silent during extended playback.

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