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Signa S4

Name: Polk Audio Signa S4
Brand: Polk Audio

Polk Audio

Signa Series2021 – Present

DigitalSoundbarsSubwoofersAtmos Speakers

Estimated price (community-sourced)

$294 - $449

About the Signa S4

The Polk Audio Signa S4 is a powered 3.1.2-channel sound bar system featuring a seven-driver sound bar and wireless subwoofer, delivering immersive Dolby Atmos sound with height effects from dual up-firing drivers. It includes Polk's exclusive VoiceAdjust for clear dialogue, BassAdjust for seamless bass integration, and modes for Movie, Music, and Night listening. Supports eARC for 8K/4K/HD TVs, with easy one-cable setup, Bluetooth streaming, and wall-mountable design. Released in 2021, it remains actively sold and provides excellent value for home theater enhancement.

Specifications

Key Specifications

Power: 80W

Full structured specifications are available to members.

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