Polk Audio Signa S4
Score: 73/100
Sonos Sub Mini
Score: 66/100Rankings
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.
The Sonos Sub Mini is a compact wireless subwoofer that adds deep, accurate bass to Sonos speaker systems. Its sealed dual-woofer design delivers impressive low-frequency performance, though it is relatively heavy and limited to one unit per room.
| Attribute | | |
|---|---|---|
— | 165 Wbest | |
— | 25 Hzbest | |
— | 120 Hzbest | |
1best | — | |
1best | — | |
5best | — | |
| ↓ lower better | 8.6 kg | 6.35 kgbest |
36 monthsbest | 12 months |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Build & Design(1) | ||
Overall Weight (kg) | 8.6 kg | 6.35 kg |
Warranty & Support(1) | ||
Warranty Period (months) | 36 months | 12 months |
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.
Professional reviewers praise the Sub Mini as a game-changing compact subwoofer, highlighting its dual 6" woofers, sealed force-canceling design, and precise Class-D amplification that deliver deep, articulate bass.
Everyday users love the dramatic improvement in bass depth and the sub's small footprint, but note its size feels larger than expected and it offers limited impact in large spaces.
“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.”
