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Signa S4D

Name: Polk Audio Signa S4D
Brand: Polk Audio

Polk Audio

Signa Series

DigitalSoundbarsSubwoofersAtmos Speakers

Estimated price (community-sourced)

$479

About the Signa S4D

The Polk Audio Signa S4D is a Dolby Atmos-certified 3.1.2-channel soundbar system that includes a soundbar with a seven-driver array and a wireless 5.9-inch subwoofer, delivering powerful 3D surround sound, clear dialogue via VoiceAdjust technology, and deep bass with BassAdjust. It supports easy setup with HDMI eARC for full Atmos compatibility, along with optical and analog inputs. Ideal for movies, music, and TV with modes like Night, Music, and Movie, plus Bluetooth streaming. Released around 2021, it provides cinematic audio for medium-to-large rooms at an affordable price point.

Specifications

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