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Polk Audio Signa S2 Ultra-Slim TV Sound Bar, Works with 4K & HD TVs, Wireless Subwoofer, Includes HDMI & Optical Cables, Bluetooth Enabled, Black

4.5 4.5 out of 5 stars 23,422 ratings
$180.52 with 28 percent savings
List Price: $249.00

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S2 Soundbar + Subwoofer
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Purchase options and add-ons

Brand Polk Audio
Model Name SIGNA S2
Speaker Type Soundbar, Subwoofer
Connectivity Technology wired, wireless
Special Feature Built-in music streaming, VoiceAdjust

About this item

  • A PREMIUM ULTRA-SLIM SOUND BAR WITH INCLUDED WIRELESS SUBWOOFER – 5 powerful full-range drivers deliver BEAUTFUL RICH SOUND WITH DEEP BASS. POLK’S EXCLUSIVE VOICE ADJUST TECHNOLOGY & Dolby Digital Decoding maximizes sound clarity & reduces voice delays.Mounting Type: Tv Sound Bar,Bar Mount.Frequency Response : 45Hz-20Khz.
  • EXCELLENT SOUND AND VALUE on par with any mid- to high-range sound bars available in the market. At just over 2" tall, it 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
  • UPGRADE YOUR HOME THEATER EXPERIENCE – Watch your favorite shows on your 4K HD Smart TV with exceptional picture quality & crystal clear sound. With numerous connection possibilities, plug in any audio source via HDMI ARC, optical input & AUX
  • WIRELESSLY STREAM MUSIC from your favorite streaming apps like Pandora, Spotify, TuneIn, and others directly from your smartphone, tablet or other compatible device through the built-in Bluetooth technology
  • SET UP YOUR SOUND BAR IN MINUTES — With the included subwoofer, HDMI and optical cables quickly connect your TV to the sound bar. Get set up and listening in minutes
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From the manufacturer

Polk Soundbar sound bar signa s2 wireless subwoofer surround sound home theater

Dolby Digital sound surround

Universal compatibility wired HDMI optical

cables included

Performance-Tuned Surround Sound

Dolby Digital decoding creates incredible room-filling surround sound that easily beats anything you hear from your TV’s small speakers.

Universal Compatibility

Works with 4K and HD TVs.

Watch your favorite shows with exceptional contrast and clarity

All Cables Included

Included HDMI and optical cables allow for easy installation and setup.

Polk Signa S2 sound bar soundbar low profile design

Clear audio hear every word

Stream Wireless Music Control Spotify Napster Apple Music

Easy to install compact wireless subwoofer

Hear Every Word

Leverage Polk Adjust Technology to customize the voice levels to reproduce clear, crisp dialogue

and never miss a single word of your favorite movie, TV show or sporting event

Stream Wireless Music

Built-in Bluetooth technology lets you stream music directly from your smartphone, tablet or other compatible device

Compact Wireless Subwoofer

Paired with the sound bar, the included wireless subwoofer reproduces deep bass impact you can feel, creating a room-filling and immersive home theater and music listening experience.

react s2 s3 s4
React Signa S2 Signa S3 Signa S4
Customer Reviews
4.1 out of 5 stars
1,320
4.5 out of 5 stars
23,422
4.5 out of 5 stars
23,422
4.5 out of 5 stars
23,422
Price $258.99 $180.52 $237.55 $399.00
Best For Voice Control Affordable Performance Music Listening Dolby Atmos
Channels 2 2.1 2.1 3.1.2
Surround Format DTS Digital Surround, Dolby DigitalDTS Digital Surround, Dolby Digital Dolby Digital Dolby Digital Dolby Atmos, Dolby Digital Plus, Dolby TrueHD, Dolby Digital
Smart/Music Streaming Wi-Fi, Alexa Built-in (with mics), Bluetooth Bluetooth Wi-Fi, Chromecast, Bluetooth Bluetooth
SR2 Wireless Surround Speakers Available Separately No No No
Polk VoiceAdjust Yes Yes Yes Yes
Wireless Subwoofer Included Available Separately Yes Yes Yes
Inputs HDMI ARC, Optical HDMI ARC, Optical, 3.5mm HDMI ARC, Optical, 3.5mm HDMI eARC, Optical, 3.5mm
Sound Bar Size 2.2" x 34" x 4.7" 2.1” x 35.4” x 3.2” 2.1” x 35.4” x 3.2” 2.4” x 41.2” x 3.7”
Center Channel Phantom Phantom Phantom Yes, Dedicated

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Price-28% $180.52
List: $249.00		-11% $249.95
List: $279.95		$196.99$298.00$399.00-19% $129.99
List: $159.99
Delivery
Get it as soon as Thursday, May 16
Get it as soon as Thursday, May 16
Get it as soon as Friday, May 17
Get it as soon as Thursday, May 16
Get it as soon as Thursday, May 16
Get it as soon as Thursday, May 16
Customer Ratings
4.54.5 out of 5 stars23,422
4.44.4 out of 5 stars1,688
4.44.4 out of 5 stars869
4.34.3 out of 5 stars1,519
4.54.5 out of 5 stars23,422
4.54.5 out of 5 stars7,575
Sound quality
4.3
4.3
4.1
4.1
4.3
4.3
Value for money
4.3
4.3
3.8
4.0
4.3
4.5
Remote Control
4.0
4.2
4.1
4.0
4.0
4.3
Bluetooth connectivity
4.4
—
4.2
4.5
4.4
4.4
Volume control
4.3
—
5.0
—
4.3
—
Sold By
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
Amazon.com
speaker size
2 inches
23 inches
—
900 millimeters
2.36 inches
4.5 inches
power source
AC
Corded Electric
Corded Electric
Corded Electric
Corded Electric
Corded Electric
connectivity tech
wired, wireless
Bluetooth, HDMI, Auxiliary, Optical
Bluetooth, HDMI
wireless, wired
Bluetooth, Optical, USB, HDMI
wired, wireless
speaker type
Soundbar, Subwoofer
Soundbar
Subwoofer
Soundbar, Subwoofer
Soundbar
Surround
mounting type
Bar Mount,Tv Sound Bar
Wall Mount
Freestanding, Tabletop
Wall Mount
Wall Mount
Sound Bar
weight
3.9 pounds
19.55 pounds
18 pounds
16.1 pounds
19 pounds
3.84 pounds

Looking for specific info?

Product guides and documents

User Guide (PDF)

What's in the box

  • IR Remote control
  • 6’ (1.8m) HDMI cable
  • Two power cords and sound bar power supply
  • Quick Start Guide
  • Registration card

    • Product information

    Warranty & Support

    User Guide Manual [PDF ]

    Feedback

    Polk Audio Signa S2 Ultra-Slim TV Sound Bar, Works with 4K & HD TVs, Wireless Subwoofer, Includes HDMI & Optical Cables, Bluetooth Enabled, Black

    Polk Audio Signa S2 Ultra-Slim TV Sound Bar, Works with 4K & HD TVs, Wireless Subwoofer, Includes HDMI & Optical Cables, Bluetooth Enabled, Black

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    Product Description

    The low-profile Signa S2 universal TV sound bar delivers an incredible, room-filling home theater experience — far beyond anything you get from your TVs small built-in speakers. Works with 4K and HD TVs so you can watch your favorite shows with exceptional contrast and clarity. Includes HDMI cable for quick and easy setup. Features Polk’s patented Voice Adjust technology for clear dialogue and Dolby Digital decoding for immersive, performance-tuned surround sound. Includes a wireless subwoofer for deep bass impact. Plus, stream your favorite music through Bluetooth directly from your smartphone, tablet or any other compatible device. At 2" tall, the sound bar fits most spaces — easy to wall-mount or place in front of your TV.

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    23,422 global ratings

    Customers say

    Customers like the sound quality, value, and ease of setup of the speakers. For example, they mention it adds nice range to the audio, is good for late night listening, and impressive for its size and price. That said, some complain about the auto turn on. Opinions are mixed on bluetooth connectivity.

    AI-generated from the text of customer reviews

    3,418 customers mention2,667 positive751 negative

    Customers like the sound quality of the speakers. They say it adds a nice range to the audio, vocals are clear and easy to hear, and the sound is available in multiple settings. The sound-bar is a remarkable development that's good for late night listening. Customers also mention that the sound bar has a large amount of great quality speakers packed into it, resulting in a great rumble.

    "...The other channels are distinct and create a wall of sound that "reaches out in to room before your TV and shifts left, right and up and down"...." Read more

    "...This mode is good for late night listening with the sound turned down so that others aren’t disturbed by loud explosions and you can still hear the..." Read more

    "...Not a lot of bells and whistles, but solid and good sound for a fair price." Read more

    "...Very "user friendly" controls to customize levels and enable hearing distinct, clear dialogue. Eliminates annoying hissing and "thin" vocals...." Read more

    1,295 customers mention1,210 positive85 negative

    Customers appreciate the value of the speakers. They say it's a good unit for the price, impressive for its size and price, and a really good replacement for their full home theater.

    "...Try it .... its a great living room system with Great value for the price. I Love It!" Read more

    "...Not a lot of bells and whistles, but solid and good sound for a fair price." Read more

    "Price was good, installed easily. I usually have trouble with soundbars but this went perfect. Sounds good, lots of bass if you want." Read more

    "...Buyers who want a great product at a great price, for use in a small to medium sized living room or bedroom…I’d say this is one of, if not THE best..." Read more

    1,219 customers mention1,081 positive138 negative

    Customers find the setup of the speakers to be easy. They mention that it produces sound quality adequate for watching, the setup was fast, and the cords are included. Some say that the eARC was plug and play and the Bluetooth subwoofer was very easy to connect to the soundbar. They also mention that the bar is easy to mount and includes all cables. Overall, most are satisfied with the ease of setup.

    "...Set up was fast, all needed cords included. It has very excellent center voice clarity...." Read more

    "...Setup was easy. It came with HDMI and optical cables for attachment to the TV...." Read more

    "Packaged well, easy set up, good sound, quality built...." Read more

    "Greatly enhances our listening experience. Very "user friendly" controls to customize levels and enable hearing distinct, clear dialogue...." Read more

    362 customers mention265 positive97 negative

    Customers like the quality of the speakers. For example, they say it's a solid speaker system, well made, and has good sound that is better than built-in TV speakers. That said, some say it packs an impressive punch and is highly rated.

    "...This sound bar is GREAT ! The build is very nice and solid...." Read more

    "...I’m very satisfied with unit. Not a lot of bells and whistles, but solid and good sound for a fair price." Read more

    "...Not terribly heavy. Plenty of punch for my needs.d) The Voice Dialog Enhancement - I think it works okay...." Read more

    "...10+ dropped every call ever made with wifi calling turned on, constant breaches due to an enormous amount of junk apps and the very many unnecessary..." Read more

    294 customers mention281 positive13 negative

    Customers are satisfied with the dialogue quality of the speakers. They mention that the voice enhancement option is amazing, and the adjustable levels give them clearer dialogue on modern movies. They also appreciate the preset buttons that allow them to quickly customize the sound without having to go through menus. Customers also like the ability to adjust the bass and voice separately, as it helps a lot to hear dialogue.

    "...There are also three buttons for Voice Adjustment. These adjust the voice frequencies to make voices easier to understand...." Read more

    "...Anyway I love the different adjustments to the volume that can be made with six different modes and can move the bass and volume as you need to..." Read more

    "..." controls to customize levels and enable hearing distinct, clear dialogue. Eliminates annoying hissing and "thin" vocals. Being able to adjust..." Read more

    "...I can control its volume and on/off without needing its remote (though I need its remote for the other EQ settings)...." Read more

    565 customers mention314 positive251 negative

    Customers are mixed about the bluetooth connectivity of the speakers. Some mention that it paired with their phone via Bluetooth seamlessly, connecting instantly. They love the soundbar, incl the bluetooth access and wifi access. However, others say that they are suffering with connectivity issues and the bluetooth just wouldn't connect.

    "...for phone function and works better, faster, clearer and stays connected to bluetooths without constant error notices inability to stay connected..." Read more

    "...There was no wireless signal from any device in or around my PC (including Bluetooth). The subwoofer was still cutting in and out...." Read more

    "...-Reliability: I have had zero issues with this unit. No loss of connection, no technical issues, malfunctions, or failures...." Read more

    "Need ARC HDMI on tv to connect, otherwise need to use Bluetooth to connect." Read more

    293 customers mention53 positive240 negative

    Customers are dissatisfied with the auto turn on of the speakers. They mention that it turns itself off after a few minutes with no sound. Some say that the sound bar will turn itself off at a frequency that anyone would find.

    "...Note, the auto sleep mode is not the default and this option has to be manually selected to be in use...." Read more

    "...It happens so frequently and intermittently that it's hard to tell at first I guess...." Read more

    "...when it sits on a series of movies that are of low volume the bar will turn itself off. To us, this is a trade-off acceptable trade-off...." Read more

    "...The system is a bit glitchy. Occasionally it won't turn off when you turn off the TV and other minor glitches, but all can be fixed in a moment...." Read more

    Perfect for my situation.
    5 Stars
    Perfect for my situation.
    This photo is of the unit with 77" OLED for size comparison. Arrived today, and followed an easy quick start. Works perfectly. Central light dots visually show bass/volume levels.As I live in an apartment, now, my previous 5-channel system was too loud to get clear voices, so I was using the TV speakers to avoid annoying my neighbors.I decided this is a compromise, and this is capable of way more bass than I need, the voices clear. Perfect solution for quality sound that is easy to control.
    Hide
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    Top reviews from the United States

    David Robe
    5.0 out of 5 stars This Sound Bar Is Great ! ( Real Reviewer )
    Reviewed in the United States on January 3, 2024
    Style: S4 Soundbar + Subwoofer w/ Dolby AtmosVerified Purchase
    I just bought a Sony X93L with Dolby Atmos capability. Not a cheap TV. I knew I wanted a sound bar system for my living room that would do it justice. I looked & listened to sound systems by Sony, Bose, Sonos, Samsung, LG, Visio to name a few. Im a child of the 70s and grew up through the old school speakers with LOUD & LARGE surround sound home theater set ups. I love hearing all the small details around me. If i had unlimited cash I'd spent few grand on one of those systems. But i don't have that kind of money .... really I don't need that much sound system in my living room. I wanted a sound bar that would give separate bass and separation of some left and right and center channels and sound solid for movies, music and dialog. I didn't want a cheap sound either. When I listen to the brands i named before i honestly wanted to be impressed .... but just wasn't. It sounded good but many with a bar and sub together would be at least a $1000. Some much more. I came across this Polk Signa S4 and read the reviews. Polk has made solid sound for a long time. I took a chance and I'm glad i did. This sound bar is GREAT ! The build is very nice and solid. Remote is small and plastic but has very usable buttons especially the separate sound and bas volumes. Set up was fast, all needed cords included. It has very excellent center voice clarity. The other channels are distinct and create a wall of sound that "reaches out in to room before your TV and shifts left, right and up and down". It sounds really good and when your add the sub the bass flows in well but is also distinct and can be adjusted easily with the remote. If you want some bass rumble for those movies or thump for concert bass lines it can do it well. Is this system a full surround 7.1 plus sound experience? NO ! But you can really hear the shifts in channels reaching out in front of you from the array of speakers projection left, right, center and up. I personally found the bass in the front to the side of the bar by the TV is really good. But for me i placed the sub woofer behind me and got some really nice "surround like" feel that pulled all those sound bar channels all together to a more full room experience. Im totally satisfied and recommend this system. The price was $299 vs $1000 plus for some of the others. Amazon offered me a $200 gift card to sign up for their credit card making this sound bar cost $100. I was sold at $299 but at $100 it was a steal. Try it .... its a great living room system with Great value for the price. I Love It!
    54 people found this helpful
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    RB
    5.0 out of 5 stars Easy to setup, easy to use, great sound
    Reviewed in the United States on December 16, 2022
    Style: S2 Soundbar + SubwooferVerified Purchase
    This relatively low cost sound bar has remarkably good sound for such a low profile. Setup was easy. It came with HDMI and optical cables for attachment to the TV. I attached the HDMI to the ARC (Audio Return Channel) HDMI connection of my flat panel and just turned it on. The TV recognized the sound bar by turning off its internal speakers and playing sound through the sound bar. Additionally, it shows the audio level bar on-screen whenever the TV or sound bar remotes are used to adjust the audio level. I plugged in the wireless subwoofer and it connected automatically to the sound bar, but there is also a manual process if necessary.

    It is also easy to use. There are various adjustments that can be made with the sound bar remote, but once these were made we only use the TV remote. The sound bar appears to go into sleep mode when the TV is off and comes back on when the TV is turned on. It is compatible with Dolby 2.1 content, but it cannot be upgraded with additional speakers.

    There are five inconspicuous buttons on the top of the sound bar: on/off, source selection, Bluetooth on/off, volume down, and volume up. Bluetooth is used for playing sound from other sources like a smart phone. These buttons also appear on the sound bar remote along with other buttons for mode selections. There are three sound buttons: Movie, Night, and Music. We use the Movie mode mostly as it “expands” the soft and loud sounds as if in a movie theater but with 2.1 speakers. The Night mode “compresses” the sound levels, making “quiets” a little louder and “louds” a little lower. This mode is good for late night listening with the sound turned down so that others aren’t disturbed by loud explosions and you can still hear the “quiet” portions. The final sound mode, Music, is for listening to music with the frequencies set at a more equal distribution.

    There are also three buttons for Voice Adjustment. These adjust the voice frequencies to make voices easier to understand. At the highest level, number 3, we can tell that voices are much clearer but they sound somewhat unnatural. Consequently, we normally use level 1 and occasionally level 2 when necessary.

    There are a series of lights on the front screen to indicate operation and when modes are selected. The main light comes on when the sound bar is in operation and goes off when it goes into sleep mode. This is a soft light and I do not notice it when watching the TV. The color changes whenever the Dolby 2.1 signal is received and being used. Other lights on the front will turn on momentarily whenever a new mode or source is selected to indicate that the signal has been received and the change made. There is also a light that comes on when Bluetooth is turned on. This goes off when Bluetooth is turned off or when Bluetooth goes into sleep mode if it is not in use for more than 15 minutes. Note, the auto sleep mode is not the default and this option has to be manually selected to be in use.

    This sound bar produces much better sound than the TV speakers and requires little attention once the adjustments are set; we mostly use the TV remote. My only criticism regards adjusting the subwoofer levels. The subwoofer has bass minus and plus adjustment buttons on the remote but, unlike the other mode adjustments, there is no visual indication that anything is happening when this is used. There isn’t even an indicator that it is wirelessly linked except for the lights used when manually connecting it. The bass can be adjusted up to the point that deep voices and drums rattle items on the shelves in the room. When adjusted down to reduce such rattles we have no way of knowing if we are at a mid or lowest level. The bass can be adjusted to what is being listened to, but it would be nice to know the actual setting so that a “standardized” level could be selected for particular circumstances.
    104 people found this helpful
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    Top reviews from other countries

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    Oz
    5.0 out of 5 stars La mejor relación calidad precio con este artículo que cumple con el sonido espectacular de Polk
    Reviewed in Mexico on November 8, 2023
    Style: S2 Soundbar + SubwooferVerified Purchase
    La calidad de sonido de este sistema es muy buena y es muy sencilla la instalación, solo se conectan los cables de alimentación, el cable HDMI, el cable óptico y listo. El control remoto es muy fácil de utilizar, solo con oprimir un botón activas el sonido tanto para modo cine, música o nocturno. Sin duda es un equipo de sonido que vale la pena, siendo una barra delgada y el subwoofer (inalámbrico) pequeño, brindan un sonido claro y de bajos potentes.
    3 people found this helpful
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    Rita
    5.0 out of 5 stars Great sound, easy install. Ultra slim design
    Reviewed in Canada on October 23, 2023
    Style: S2 Soundbar + SubwooferVerified Purchase
    I bought 2 sets for my new place on Prime Day. Super easy to set up. I wish the subwoofer power cord was longer. Also It wasn’t obvious that the optical cord has a specific shape so it has to be plugged into the TV and sound bar a specific way. I wish the instructions had pointed that out to a non tech person like me. At first glance it looked perfectly square. I bought a Samsung TV and it was really hard to see the shape of the port once it was up on the mantle. You are warned. I thought I put it in the wrong way but I have sound. Also, there is no volume indicator, just your ears. I would like the next generation to have an on screen visual volume adjustment. Love the slim design, it blocks basically non of my screen. Very happy getting my sound systems updated.
    4 people found this helpful
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    Ives Saddai Amaya Ruiz
    5.0 out of 5 stars Exelente producto
    Reviewed in Mexico on October 2, 2023
    Style: S4 Soundbar + Subwoofer w/ Dolby AtmosVerified Purchase
    Muy bueno, buen sonido, bajos profundos y sonido claro. Volumen exelente, buen tamaño , muy práctico muy recomendable 👍
    One person found this helpful
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    Micaela Natal RN
    5.0 out of 5 stars Simplesmente o melhor
    Reviewed in Brazil on March 7, 2022
    Style: S2 Soundbar + SubwooferVerified Purchase
    Melhor custo benefício sem dúvidas qualidade sem tamanho
    One person found this helpful
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    karel
    4.0 out of 5 stars heeft enkele beperkingen maar ik ben relatief tevreden
    Reviewed in Belgium on November 22, 2023
    Style: S2 Soundbar + SubwooferVerified Purchase
    heeft enkele beperkingen maar ik ben relatief tevreden.
    indien nieuwe model niet veel duurder, koop dan beter dat
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