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Polk Audio Signa S4 Dolby Atmos Soundbar 3.1.2ch Wireless Subwoofer Black
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Visionary Tech UK

Polk Audio Signa S4 Dolby Atmos Soundbar 3.1.2ch Wireless Subwoofer Black

★★★★★ (127 reviews)
£275.71 £349.00-21%

The Polk Audio Signa S4 delivers a powerful Dolby Atmos 3.1.2 surround sound experience with a wireless subwoofer, engineered for crystal-clear dialogue and deep bass. Its seven-driver array includ...

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The Polk Audio Signa S4 delivers a powerful Dolby Atmos 3.1.2 surround sound experience with a wireless subwoofer, engineered for crystal-clear dialogue and deep bass. Its seven-driver array includes upward-firing speakers for immersive 3D audio, while VoiceAdjust technology ensures clear dialogue.

Connect easily to any TV via HDMI eARC, optical, or AUX, and stream music wirelessly via Bluetooth. The slim design fits neatly under your TV or mounts on the wall, and the included remote lets you switch between movie, music, and night modes.

Key Features

Speaker Type Soundbar
Audio Channels 3.1.2
Total Power Output 25 W
Frequency Response 20 Hz - 20 kHz
Driver Configuration 7 drivers (including 2 upward-firing)
Subwoofer Type Wireless
Subwoofer Driver Diameter 5.25 in
Connectivity HDMI eARC, Optical, AUX, Bluetooth
Bluetooth Version Yes (music streaming)
Sound Modes Movie, Music, Night
VoiceAdjust Yes
Bass Adjust Yes
Dolby Atmos Yes (certified)
Remote Control Included
Wall Mountable Yes (template and spacers included)
Dimensions (W x D x H) 104.6 x 24.1 x 6 cm
Weight 9.4 kg
Colour Black
Enclosure Material Plastic, Metal
Power Source Corded Electric
Batteries Required 2 x AAA (included)
Warranty 2 Years
Country of Origin Netherlands

Warranty

2 Year Manufacturer Guarantee

What's in the box

2 x AAA batteries, HDMI cable, Optical cable, Power Cable, Quick Start Guide, Remote, Sound bar, Soundbar, Spacer for wall mounting, Subwoofer, Wall mounting template

Frequently asked questions

Does the Signa S4 support Dolby Atmos?

Yes, it is Dolby Atmos certified and features upward-firing speakers for immersive 3D sound.

Can I control the soundbar with my TV remote?

Yes, the Signa S4 is programmed to work with most TV remotes without additional configuration.

What connections does the soundbar have?

It includes HDMI eARC, optical, AUX inputs, and Bluetooth for wireless music streaming.

Is the subwoofer wireless?

Yes, the subwoofer connects wirelessly to the soundbar for flexible placement.

Specifications not available for this product.

Standard Delivery: Delivery in 3–5 business days

Express Delivery: No hidden fees — 100% free delivery

Free shipping on every order

We ship to the UK, Germany, and across the EU. International orders may be subject to customs fees.

30-day hassle-free returns

We offer a 30-day return policy. Items must be unused, in original packaging, and accompanied by proof of purchase.

To initiate a return, please contact our support team at contact us. We'll provide a return label and instructions.

Refunds are processed within 5–7 business days of receiving the returned item.

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