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Take your home theater experience to the next level and enjoy your favorite movies, TV shows, and music. This low-profile sound bar with Dolby Digital 5.1 decoding provides room-filling surround sound without filling the room with speakers.

Polk Audio® Signa S2D Black Soundbar System

Loud And Clear Dialogue With VoiceAdjust™

Tired of riding the volume control? Polk’s patented VoiceAdjust™ technology raises speech above the rest of the soundtrack, so you’ll never miss a word again.

Amp up your experience with powerful, room-shaking bass, with Signa S2D’s companion wireless subwoofer. Its cinematic low-end impact from the comfort of your couch.

Optimize Signa S2D’s sound for any scenario using one-button Music, Movie, and Night modes. Late-night binging? Night Mode brings down the bass while boosting dialogue, so you’ll hear every word—but your neighbors won’t.

Get the dance party started when you wirelessly stream your favorite playlists from your devices.

Connect Signa S2D to smart TVs via a single included HDMI cable. You can even control Signa S2D volume with your TV remote. (Requires CEC-enabled TV.)

Experience award-winning Dolby Atmos sound with deep, extended bass, whether you’re enjoying your favorite movies, music, TV shows, or games. Signa S4D’s two dedicated upfiring speakers deliver Atmos “height” sound, for an incredibly lifelike 360-degree s

Polk Audio® Signa S4D Black Soundbar System

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.

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.

Bring arena vibes to your living room with powerful, room-shaking bass, thanks to Signa S4D’s companion wireless subwoofer. Place the subwoofer anywhere in the room and use Signa S4D’s BassAdjust™ mode to dial in seamless sound balance in this perfect pairing.

Get up and running in seconds—even with 8K Ultra HD TVs—using Signa S4D’s included HDMI or optical cable; for older TVs, simply connect your aux in. Signa S4D automatically works with leading TV remotes and effortlessly streams your favorite music via Bluetooth.

Place Signa S4D under your TV or on the wall, for sound that you can’t miss in a speaker you barely notice.

Award-Winning Sound From An American Icon

Polk Audio has poured 50 years of hi-fi innovation into Signa S4D to deliver the ultimate in performance and value.

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Experience award-winning Dolby Atmos sound with deep, extended bass, whether you’re enjoying your favorite movies, music, TV shows, or games. Signa S4D’s two dedicated upfiring speakers deliver Atmos “height” sound, for an incredibly lifelike 360-degree sound field.

Bluetooth & Wireless Speakers

Polk Audio® Signa S2D Black Soundbar System

$279.00

Polk Audio® Signa S4D Black Soundbar System

Sale $399.00

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