Last updated at 02/11/2026 13:22:01
Polk Audio Signa S4 Soundbar with Wireless Subwoofer | HDMI eARC, Bluetooth, 3.1.2 Soundbar System, AUX, Optical Input
Free delivery
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Polk Audio Signa S4 Dolby Atmos 3.1.2 Sound Bar with Wireless Subwoofer Black
Delivery $10
Polk Audio Signa S4 True Dolby Atmos Soundbar with Wireless Subwoofer, 3.1.2 Soundbar System, HDMI eARC, Bluetooth, AUX, Optical Input, Black
Delivery between 7–11 Nov $41
| Brand | Polk Audio |
| Wireless | Yes |
| Surround Sound | Yes |
| Dolby Atmos Enabled | Yes |
| Connectivity | Bluetooth, IrDA, HDMI, AUX |
Polk Audio Signa S4 Soundbar with Wireless Subwoofer | HDMI eARC, Bluetooth, 3.1.2 Soundbar System, AUX, Optical Input
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Polk Audio Signa S4 Dolby Atmos 3.1.2 Sound Bar with Wireless Subwoofer Black
Delivery $10
Polk Audio Signa S4 True Dolby Atmos Soundbar with Wireless Subwoofer, 3.1.2 Soundbar System, HDMI eARC, Bluetooth, AUX, Optical Input, Black
Delivery between 7–11 Nov $41
| Brand | Polk Audio |
| Wireless | Yes |
| Surround Sound | Yes |
| Dolby Atmos Enabled | Yes |
| Connectivity | Bluetooth, IrDA, HDMI, AUX |
in 3 offers
The lowest price for Polk Audio Signa S4 Soundbar right now is $674.10 at Amazon.com.au, compared across 3 retailers.
The all-time low was $449.00 on 18 Sept 2026 — today's price is 50% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 2 Nov 2026.
Polk Audio Signa S4 Soundbar
