Polk Audio Signa S4
Score: 73/100
Polk Audio MagniFi Max AX SR
Score: 78/100Rankings
The MagniFi Max AX SR is a flagship 7.1.2-channel soundbar system that delivers immersive Dolby Atmos and DTS:X performance with a powerful wireless subwoofer and two wireless surrounds, ideal for larger living rooms.
The Signa S4 is a low-profile 3.1.2-channel soundbar with a wireless subwoofer that brings Dolby Atmos immersion and clear dialogue to midsize rooms, while keeping setup simple and cost-effective.
| Attribute | | |
|---|---|---|
1 | 3best | |
1best | 1best | |
5best | 5best | |
| ↓ lower better | 8.6 kgbest | 17.815 kg |
36 monthsbest | 12 months |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Video(1) | ||
HDMI Inputs | 1 | 3 |
Build & Design(1) | ||
Overall Weight (kg) | 8.6 kg | 17.815 kg |
Warranty & Support(1) | ||
Warranty Period (months) | 36 months | 12 months |
Audio(2) | ||
Channel Configuration | 3.1.2 | 7.1.2 |
Supported Audio Formats | Dolby Digital, Dolby Digital Plus, Dolby TrueHD, Dolby Atmos, DTS Virtual:X | PCM, Dolby Mono, Digital, Digital Plus, Atmos, Atmos True HD, DTS Digital Surround, DTS-HD, DTS-HD Master Audio, DTS:X, DTS Virtual X |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the Signa S4 for delivering high-value Dolby Atmos performance, clear dialogue, and a hassle-free setup, while noting the lack of smart-home integration, expandability, and network streaming as drawbacks.
Everyday users overwhelmingly appreciate the soundbar's dialogue clarity, powerful subwoofer, and quick installation, though they note the non-backlit remote, absence of voice-assistant support, and occasional Bluetooth disconnects.
“Dialogue is crystal clear, even in loud action scenes.”
“The subwoofer hits harder than expected for its size.”
“Set up in under 10 minutes - just plugged in HDMI and it worked.”
Professional reviewers from ListenUp and World Wide Stereo praise the MagniFi Max AX SR as a rare soundbar that truly delivers 7.1.2 channel immersion, highlighting its SDA-driven soundstage, OLED front display, and practical BassAdjust and VoiceAdjust features.
Everyday users consistently commend the system for its crystal-clear dialogue, powerful bass, and straightforward wireless setup, while noting occasional Wi-Fi instability and the IR remote's line-of-sight requirement.
