in 2 offers
The lowest price for Polk Audio Signa S4 Soundbar right now is $674.10 at Amazon.com.au, compared across 2 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 5 Oct 2026.
Polk Audio Signa S4 Soundbar
Last updated at 05/10/2026 10:04:42
Polk Audio Signa S4 Soundbar with Wireless Subwoofer
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Polk Audio Signa S4 Dolby Atmos 3.1.2 Sound Bar with Wireless Subwoofer Black
Delivery $10
| 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
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
| Brand | Polk Audio |
| Wireless | Yes |
| Surround Sound | Yes |
| Dolby Atmos Enabled | Yes |
| Connectivity | Bluetooth, IrDA, HDMI, AUX |
