Due to demand, a shipping date cannot be provided at checkout. After you've placed your order, we will send you shipping updates as soon as they are available. Quantities are currently limited to only ONE per customer.
PLEASE NOTE: This product will not ship until January 2023. Quantities are currently limited to ONE per customer. Due to high demand, an exact manufacturer shipping date cannot be specified at this time. After your order is placed, you will receive shipping updates as they become available. Thank you for your patience and understanding.

Polk Audio - Signa S4 Ultra-Slim TV Sound Bar with Wireless Subwoofer, Dolby Atmos 3D Surround Sound, Works with 8K, 4K & HD TVs - Black

In Stock
Polk Audio
per week *
Cash Price3
* The advertised Lease is a rental-purchase agreement for new merchandise. Unless you exercise your Early Purchase Option, to acquire the merchandise you must make 52 weekly payments of $18.00 (plus tax & delivery), for a $936.00 (plus tax & delivery) Total Cost/Total of Payments. This includes a $421.99 Cash Price3 and a $514.01 Cost of Rental.




The low-profile Signa S4 certified with Dolby Atmos 3.1.2 sound bar comes with a 5.9" wireless subwoofer that together deliver powerful, crystal-clear, cinematic 3D surround sound with any HD TV, even the latest 8K Ultra-HD TVs, with single-remote connectivity. At just over 2", the sound bar does not block your TV's sensor whether you wall mount it or place it on the shelf. Features Polk's patented Voice Adjust technology, which lets you customize voice levels without affecting the soundtrack, so you hear clear dialogues every time! The Bass Adjust Technology gives you the power to control the bass on both the sound bar and the subwoofer simultaneously and give you deeper bass impact. Experience True 3D surround sound, whether it is added warmth in your music or special effects like gunshots or realistic whirring of helicopters flying overhead, the Dolby Atmos Certified ensures you are virtual height effects elevated right to your listening area. What's more - stream your favorite music wirelessly through Amazon Music HD, Apple Music, Roon, Qobuz, Spotify, Tidal and more. The HDMI eARC output gives you uncompromised, flawless sound reproduction. A great sound bar that comes a value never imagined before!
  • Advanced Ultra-slim Soundbar & Wireless Sub
    The Signa S4 with an upgraded 7-driver array & a dedicated full-range center channel delivers True 3D Surround Sound (Dolby Atmos 3.1.2 certified) and the 5.25" sub gives you a WIDE SOUND STAGE AND DEEP BASS
  • Up-firing Speakers For Height Elevation
    In addition to L/R Tweeters (1"), (2) Racetrack Mid Drivers (4.7" x 1.6") and a 1" Center, the left/right elevation speakers (2.6") utilize Atmos' height channels for an immersive 3D sound over your head
  • Polk's Exclusive Voice And Bass Adjust Technology
    Along with S4's center channel lets you customize voice and bass levels, so you hear crystal clear dialogues and maximize bass without missing a word. For maximum impact, control the sub and the sound bar's bass using Bass Adjust Technology
  • Excellent Sound And Value
    At par with any mid- to high-range sound bars available in the market. At 2.4" tall, the Signa S4 fits most spaces - easily wall-mount it or place in front of your TV. It won’t block your TV’s bottom edge or IR remote sensor
  • 1-cable Setup, Works With Any Tv Including The Latest 8k Ultra-hd Tvs
    Get this system up and running in less than 5 minutes—all you have to do is unbox, connect and you are ready to listen. A great addition to your home theater!
  • Wirelessly Stream Music
    From your favorite streaming apps like Pandora, Spotify, TuneIn, and others directly from your smartphone, tablet, or other compatible devices via built-in Bluetooth technology
  • Numerous Connection Possibilities
    Plug in your audio source via the provided inputs - (1) optical, (1) analog 3.5mm, or Bluetooth, and USB-A (for firmware updates). Enjoy uncompromised audio experience over the eight channels via the HDMI (eARC) output
Dialogue Enhancement:Yes
Cable(s) Included:AC power; HDMI; Optical digital audio
Product Depth:3.74 inches
Number Of USB Inputs:1
Color Category:Black
Bluetooth Enabled:Yes
Manufacturer's Warranty - Labor:2 Years
Input(s):Analog audio; Optical; USB
Number Of Optical Audio Inputs:1
Manufacturer's Warranty - Parts:2 Years
Number Of Tweeters Included:2
Product Weight:21.2 pounds
Model Number:Signa S4
Number of HDMI Inputs (Total):0
Wall Mountable:Yes
Number Of Midranges Included:2
Tweeter Size:0.98 inches
Woofer Size:0.98 inches
High Resolution Audio:Yes
Mounting Hardware Included:Yes
Number of Channels:9.1.2
Surround Sound Supported:Dolby Atmos
Product Height:2.36 inches
ENERGY STAR Certified:Yes
Product Name:Signa S4 Ultra-Slim TV Sound Bar with Wireless Subwoofer, Dolby Atmos 3D Surround Sound, Works with 8K, 4K & HD TVs
Number of HDMI Outputs (Total):1
Brand:Polk Audio
Product Width:41.18 inches
Wireless Subwoofer Connectivity:Yes
Remote Control Included:Yes
Wireless Connectivity:Bluetooth
Number Of Woofers Included:1
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