
Klipsch Cinema 400
Score: 73/100
Polk Audio MagniFi Mini AX
Score: 78/100Rankings

The Polk MagniFi Mini AX is a compact 3.1-channel soundbar delivering Dolby Atmos and DTS:X with a wireless subwoofer, offering immersive audio in a small footprint. Missing detailed power output and a higher price point may deter cost-sensitive buyers. Perfect for apartments or condos where space is at a premium but immersive sound is desired.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
2.1best | — | |
400 Wbest | — | |
20.3 cmbest | 12.7 cm | |
| ↓ lower better | 12.7 kg | 6.35 kgbest |
— | 10 mbest | |
1 yearsbest | 1 yearsbest | |
24.1 cm | 36.6 cmbest | |
24.1 cmbest | 7.9 cm |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Audio(3) | ||
Audio Channels | 2.1 | 3.1 |
Supported Audio Formats | Dolby Digital, virtual surround | PCM, Dolby Mono, Dolby Digital, Dolby Digital Plus, Dolby Atmos, Dolby Atmos True HD, DTS Digital Surround, DTS-HD, DTS-HD Master Audio, DTS:X, DTS Virtual X |
Subwoofer Driver Size (cm) | 20.3 cm | 12.7 cm |
Design(4) | ||
Soundbar Weight (kg) | 12.7 kg | 6.35 kg |
Soundbar Width (cm) | 24.1 cm | 36.6 cm |
Soundbar Height (cm) | 24.1 cm | 7.9 cm |
Soundbar Depth (cm) | 8.6 cm | 10.4 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.


