TCL S45H vs S55H soundbars compared
Compare TCL S45H and S55H by channel layout, included subwoofer, stated output, and TV connections.
Information checked August 5, 2026
Quick verdicts
Keeping the setup compact
TCL S45H 2.0 Sound Bar Soundbar
S45H puts its 2.0-channel system in one bar and does not require floor space or power for a separate subwoofer.
Adding a dedicated bass speaker
TCL S55H 2.1 Sound Bar Soundbar
S55H includes a wireless 5.5-inch subwoofer and uses a 2.1-channel layout, while S45H is a standalone 2.0-channel bar.
Side-by-side comparison
| Product | Good fit for | Channel layout | Subwoofer | Stated output | Connections |
|---|---|---|---|---|---|
| TCL S45H 2.0 Sound Bar Soundbar | A simple single-bar setup | 2.0 | No separate subwoofer | Up to 100W | HDMI eARC/ARC, optical, Bluetooth, AUX |
| TCL S55H 2.1 Sound Bar Soundbar | More bass from an included subwoofer | 2.1 | Included wireless 5.5-inch subwoofer | Up to 220W | HDMI eARC/ARC, optical, Bluetooth, AUX |
TCL S45H 2.0 Sound Bar Soundbar
- Good fit for
- A simple single-bar setup
- Channel layout
- 2.0
- Subwoofer
- No separate subwoofer
- Stated output
- Up to 100W
- Connections
- HDMI eARC/ARC, optical, Bluetooth, AUX
TCL S55H 2.1 Sound Bar Soundbar
- Good fit for
- More bass from an included subwoofer
- Channel layout
- 2.1
- Subwoofer
- Included wireless 5.5-inch subwoofer
- Stated output
- Up to 220W
- Connections
- HDMI eARC/ARC, optical, Bluetooth, AUX
Products in this comparison
TCL S45H 2.0 Sound Bar Soundbar
Good fit for: A simple single-bar setup
S45H is a 2.0-channel soundbar without a separate subwoofer. Its listing states up to 100W output and four connection options.
Read product details
TCL S55H 2.1 Sound Bar Soundbar
Good fit for: More bass from an included subwoofer
S55H adds a wireless subwoofer to make a 2.1-channel system. Its listing states up to 220W output with the same core connections.
Read product detailsHow we compared them
We compared the current listings for TCL's S45H and S55H using the same four facts for each system: channel layout, subwoofer configuration, stated output, and available TV connections. GadgetWunder has not listened to either soundbar or measured its output. The use-case conclusions follow the cited configurations, not customer ratings or commission rates.
What we left out
- TCL soundbars with more channels Models with rear speakers or larger channel layouts serve a different room and setup need, so this page stays with the direct S45H and S55H choice.