Polk Audio Signa S4 vs Klipsch Bar 48
Side-by-side comparison of features, pricing, ratings, and alternatives.
The Polk Audio Signa S4 delivers immersive, cinematic sound to your living room through advanced Dolby Atmos technology and an included wireless subwoofer. Designed to seamlessly integrate with modern 4K and 8K TVs, it transforms everyday television viewing, movie nights, and music listening into a true surround sound experience. Featuring Polk's patented Voice Adjust technology, the sound bar ensures crystal-clear dialogue so you never miss a word. Setup is effortless with the included HDMI eARC and optical cables, allowing you to control the volume using your existing TV remote while enjoying robust, room-filling bass from the down-firing subwoofer.
The Klipsch Bar 48 is a high-performance 3.1 sound bar designed to dramatically improve your television viewing and music listening experience. Featuring wood construction and legendary Tractrix horn technology, it delivers crystal-clear dialogue and dynamic acoustic performance. Included with a wireless 8-inch subwoofer, the system fills your living room with powerful, room-shaking bass without the clutter of extra wires. It also supports easy HDMI ARC connectivity and Bluetooth streaming for seamless integration with your home entertainment setup.
- Immersive Dolby Atmos height effects
- Included wireless subwoofer for deep bass
- Voice Adjust technology for clear dialogue
- Simple setup with HDMI eARC and optical cables
- Easy single-cable HDMI ARC setup
- Powerful wireless 8-inch subwoofer included
- Excellent dialogue clarity via center channel
- Stylish wood-accented design
- Lacks built-in smart assistant integration
- No Wi-Fi streaming support built-in
- Limited physical audio inputs beyond HDMI and optical
- No built-in voice assistant capabilities
- Lacks advanced object-based audio like Dolby Atmos out of the box
- Subwoofer requires separate AC power outlet
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The Verdict
AI-generated from listing dataThe Klipsch Bar 48 offers stronger dialogue clarity and a larger subwoofer for deep bass, while the Polk Signa S4 adds Dolby Atmos height effects and voice‑adjust technology at a lower price.
Key differences
- •Dolby Atmos support: only Polk Signa S4 provides certified height effects.
- •Dialogue focus: Klipsch uses a dedicated center channel; Polk uses Voice Adjust software.
- •Subwoofer size and power: Klipsch includes an 8‑inch wireless subwoofer; Polk’s subwoofer is smaller (unspecified size) but also wireless.
- •Price: Klipsch MSRP $499 vs. Polk $399, a $100 difference.
- •Connectivity: Klipsch offers HDMI ARC and 3.5 mm analog; Polk offers HDMI eARC and an Aux input, but no analog 3.5 mm.
Performance
Polk’s Dolby Atmos adds height channels, delivering more immersive sound than Klipsch’s standard stereo plus subwoofer.
Build quality
Klipsch’s wood‑accented design and heavier total system weight (28.9 lb) suggest a more robust build than Polk’s lighter bar (3.1 lb).
Connectivity
Klipsch provides HDMI ARC, Optical, 3.5 mm analog and Bluetooth, offering more input options than Polk’s HDMI eARC, Optical, Aux and Bluetooth.
Power & efficiency
Both are AC powered with no specified power consumption; no clear advantage.
Compatibility
Polk’s HDMI eARC supports uncompressed high‑resolution audio, making it more future‑proof than Klipsch’s HDMI ARC.
Price & value
Polk costs $399 versus Klipsch $499, offering similar feature set plus Atmos for $100 less.
Warranty & support
Both provide a 1‑year limited warranty.
Choose Polk Audio Signa S4 if…
Buyers who want immersive Atmos sound and voice‑adjust features at a lower price.
Choose Klipsch Bar 48 if…
Buyers who prioritize dialogue clarity and a larger, powerful subwoofer over Atmos effects.
Common questions
Is Dolby Atmos supported on the Klipsch Bar 48?
No, Klipsch Bar 48 does not include Dolby Atmos or other object‑based audio.
Which sound bar offers more input options?
Klipsch Bar 48, with HDMI ARC, Optical, 3.5 mm analog, Bluetooth and subwoofer out, versus Polk’s HDMI eARC, Optical, Aux and Bluetooth.
How much will I save by choosing the Polk Signa S4?
Polk’s MSRP is $399, which is $100 less than Klipsch’s $499 price.