
Klipsch Cinema 400
Score: 73/100
LG S40TR
Score: 69/100Rankings

Klipsch Cinema 400 is a 2.1-channel soundbar that offers a robust 8-inch wireless subwoofer delivering strong bass and Tractrix horn-loaded tweeters for clear highs. The absence of Dolby Atmos and limited smart features make it less future-proof. Great for TV upgrades in apartments where space is limited but powerful bass is wanted.

The LG S40TR is a 4.1-channel home-theater soundbar with wireless rear speakers and a subwoofer, delivering Dolby Digital and DTS support in a compact package. Lack of detailed power specifications and limited third-party reviews make performance evaluation uncertain. Ideal for LG TV owners seeking a space-saving surround solution with wireless convenience.
| Attribute | ![]() | ![]() |
|---|---|---|
2.1 | 5best | |
400 Wbest | — | |
20.3 cmbest | — | |
| ↓ lower better | 12.7 kg | 1.633 kgbest |
1 yearsbest | 1 yearsbest | |
24.1 cm | 72.14 cmbest | |
24.1 cmbest | 6.35 cm | |
8.6 cm | 8.64 cmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Audio(2) | ||
Audio Channels | 2.1 | 5 |
Supported Audio Formats | Dolby Digital, virtual surround | Dolby Digital, DTS Digital |
Design(4) | ||
Soundbar Weight (kg) | 12.7 kg | 1.633 kg |
Soundbar Width (cm) | 24.1 cm | 72.14 cm |
Soundbar Height (cm) | 24.1 cm | 6.35 cm |
Soundbar Depth (cm) | 8.6 cm | 8.64 cm |


Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the Cinema 400 for its premium build, Tractrix horn technology, and powerful 8" wireless subwoofer that together deliver clear mids, detailed highs, and strong bass. They also appreciate the simple HDMI-ARC and wireless subwoofer setup, though they note the absence of true rear speakers and limited independent testing data.
Everyday users highlight the ease of installation and the convenience of Bluetooth music streaming, praising the low-profile design that fits neatly under TVs. With limited direct feedback, no major consumer complaints are evident beyond the typical desire for rear speakers.

Professional reviewers and editors have not published evaluations of the LG S40TR; product pages emphasize its compact power and wireless setup but lack third‑party analysis.

