Polk Audio Signa S4 Soundbar System
Best price now
30% under what the other stores charge
Compared across 10 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. As an Amazon Associate, Deal.ai earns from qualifying purchases.
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Price facts
- Best price today: $449.00 at Amazon (checked Nov 13, 2026).
- Checked at 10 stores.
Polk Audio Signa S4 Soundbar System prices at every store
- 🟢 PremiumHIFI audio storeNew
In stockShips from Latvia · duties may applyReturn policy
$417.00Checked 11 h ago - The Revolver ClubNew
In stockPriced in INR (₹55,084.75)Return policy
$585.76Checked 11 h ago - Roadvera AutoNew
In stockReturn policy
$644.30Checked 11 h ago - Motovira AutoNew
In stockReturn policy
$644.30Checked 11 h ago - DrivoraNew
In stockReturn policy
$644.30Checked 11 h ago - AV ShackNew
In stockShips from India · priced in INR (₹65,000.00) · duties may applyReturn policy
$691.20Checked 11 h ago - CyberMoaNew
In stockReturn policy
$758.00Checked 11 h ago - DrivePro StoreNew
In stockReturn policy
$781.99Checked 11 h ago - Gadget ZoneNew
In stockReturn policy
$1,122.50Checked 11 h ago - AmazonNew
Availability unknown
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$449.00Free shippingChecked 11 h ago
Also available at
- PremiumHIFICheck price at PremiumHIFI
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Polk Audio Signa S4 Soundbar System price history
Lowest price we've seen: $422.00 on Nov 13 at PremiumHIFI. Tracked across 2 stores since Nov 13.
About the Polk Audio Signa S4 Soundbar System
🧾 Overview
The Polk Audio Signa S4 delivers true Dolby Atmos® surround sound from an ultra-slim soundbar and wireless subwoofer. Enjoy powerful, room-filling audio, crystal-clear dialogue, and deep bass in a compact design that’s easy to set up with any TV via HDMI eARC.
✅ Key Features
• ✅ True Dolby Atmos® 3.1.2 sound with dedicated height drivers
• ✅ Wireless subwoofer for deep, punchy bass
• ✅ HDMI eARC for single-cable connection and TV control
• ✅ Polk VoiceAdjust™ technology for crystal-clear dialogue
• ✅ Bluetooth streaming for music from phones and tablets
• ✅ Low-profile design fits under any TV or wall-mounted setup
• ✅ Quick and simple plug-and-play installation
📊 Technical Specifications ▼
Parameter
Value
System
Device type
3.1.2 Dolby Atmos soundbar + wireless subwoofer
Wireless
Bluetooth audio streaming
Inputs
HDMI (eARC), Optical, 3.5 mm AUX, USB-A (for updates)
Sound Bar
Drivers
L/R Tweeters – 2 × 25 mm (1″)
L/R Midrange – 2 × 120 × 40 mm racetrack
Questions and answers
- Where is the Polk Audio Signa S4 Soundbar System cheapest?
- At Amazon, for $449.00, 30% under what the other stores charge, as of our latest check.
- What do buyers say about the Polk Audio Signa S4 Soundbar System?
- Rated 4 out of 5 from 1 ratings.
- Where can I buy the Polk Audio Signa S4 Soundbar System?
- 10 stores we checked sell it, including The Revolver Club, AV Shack, 🟢 PremiumHIFI audio store, DrivePro Store, Gadget Zone.
