
Polk Audio
The Polk Audio Signa S4 is a slim Dolby Atmos 3.1.2 sound bar with a wireless subwoofer, offering powerful bass, clear dialogue via VoiceAdjust, and immersive height effects, all in a low‑profile design suitable for small to medium rooms.
Pros
Current
$379.00
Average
$361.52
Lowest
$239.00
Highest
$449.00
Lower = better sales rank
Please sign in to leave a review
No reviews yet. Be the first to review!
Get notified when the price drops. Track this product on BigBangPrice, our price tracking partner.
Cons
From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
Users Love
Users Complain About
Expert Opinion
Professional reviewers commend the Signa S4 for its impressive bass output, clear dialogue thanks to VoiceAdjust, and effective Atmos height effects, noting it offers strong value in the entry‑level Atmos segment. However, they criticize the missing standard HDMI input and the need for careful bass balancing, suggesting it’s best suited for users who prioritize sound impact over extensive connectivity.
What Users Say
Everyday users love the easy wireless sub setup, the room‑shaking bass, and the clear speech reproduction, especially for movies and sports. Common complaints revolve around the sub’s heft, occasional Bluetooth hiccups, and the inability to connect multiple HDMI sources, with some noting the bass can dominate mids if not tuned.
Common Complaints
Subwoofer weight and placement difficulty, Bluetooth dropouts, lack of a standard HDMI input, and bass overpowering mids at high volume without BassAdjust.
What People Are Saying
“huge soundstage”
“powerful bass that rumbles behind couch”
How It Compares
vs. Sonos Beam Gen 2
Advantages
Disadvantages
Choose Sonos Beam for a compact, smart‑home focused setup; choose Polk for stronger bass and dialogue features at a lower cost.
vs. Bose Smart Soundbar 600
Advantages
Disadvantages
Bose is better for users wanting smart‑home integration; Polk is better for those prioritizing raw bass power and clear dialogue.
vs. Samsung HW‑Q600C
Advantages
Disadvantages
Samsung suits owners of Samsung TVs needing HDMI input; Polk suits users who need a slimmer profile, lower price, and strong dialogue clarity.

Best Soundbars with Dolby Atmos or DTS:X
roundup