Product Description
Signa S4D – Overview
Signa S4D is Dolby Atmos Certified* to immerse you in 360 degrees of surround sound. From added ambience in music to special effects flying overhead, Signa S4D provides an incredibly realistic sound environment. Plus, standard audio played through the Signa S4D can be up-mixed to create a virtualized Atmos experience. * Requires HDMI eARC connection between sound bar and TV.

Advanced Seven-Driver Array
Experience Dolby Atmos 3.1.2 sound, thanks to Signa S4D’s advanced seven-speaker array with a dedicated center channel and upfiring “height” speakers for 360 degrees of sonic immersion. It’s truly cinematic sound that draws you into every song and every scene.
Hear Every Word of Dialogue with VoiceAdjust™
Polk’s patented VoiceAdjust™ technology lets you raise the volume of speech above the rest of the soundtrack, making voices clear and easy to understand. You’ll never have to ride the volume control, and you’ll never miss a word again.
Customize your Experience with Sound Modes
Signa S4D’s Music, Movie, and Night Modes optimize your sonic experience for any scenario, from movies to TV to games. Late-night binging? Your neighbors will never know: Night Mode brings down the bass while boosting dialog so you—and only you—can hear every word.
Voice adjust – Hear Every Word
Tired of riding the volume control to hear the dialogue during quiet scenes? Have trouble picking out voices when the bass kicks in? Hear every word with Voice Adjust. This patented technology combines with Signa S4’s dedicated center channel to allow you to raise the volume of voices, making them clear and easy to understand, while leaving the rest of the soundtrack untouched.































