Polk Audio Signa S4D

Dolby Atmos 3.1.2 Sound Bar System in online exclusive finish

Experience award-winning Dolby Atmos sound with deep, extended bass, whether you’re enjoying your favorite movies, music, TV shows, or games.

• 3D Audio with Dolby Atmos & DTS:X
• VoiceAdjust™ technology
• Bluetooth
• 7 driver array
• 5.9" wireless subwoofer
• 41.2" x 3.7" x 2.4" (Bar)

Lifelike Movie Sound

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.

Get Ready for Bass you can Feel

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.

Hassle-Free, Clutter-Free Setup

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.

never miss a memorable moment again

Polk’s patented VoiceAdjust™ speech-clarifying technology allows you to raise and accentuate dialog without impacting the rest of the soundtrack.