Polk Audio TSI CS20 Review

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Performance and Sound Quality:

The Polk Audio CS20 center speaker is irrefutably necessary if you want to enjoy your respite from your hardworking routine, this speaker ascertains that your entertainment is uninterrupted and pacifying. The importance and essence of center channel speakers can’t be overstated because over 50% of your home theatre audio is carried by your center channel speakers so basically how excellent your whole home theatre audio performs is indisputably highly dependent upon them. The center channel speakers are responsible for effects, directional cues and even dialogue. Polk audio has created its illustrious reputation because its skilled engineers are always working towards finding better solutions for improving the sound quality of their speakers. Polk audio’s patented design technology, materials and remarkable construction techniques enable Polk Audio’s phenomenal sound quality. The Polk Audio CS20 is rather a sort of upgrade and a remarkable improvement from Polk Audio CS10 speakers while it was perfectly suited and appropriate for a smaller setup in a smaller room. This speaker is bigger and rather enormous when compared to it. The non-resonant all-MDF enclosure enclosure construction with 0.75″-thick baffle guarantees clearer, unambiguous sound quality. The Polk Audio CS20 center channel speaker delivers dynamic, energetic and vibrant sound which makes you feel like you are a part of the virtual world, all the details are clear and even the most trivial and unimportant details can be heard without much effort or difficulty.

The cinematic effect is indeed phenomenal and you want to appreciate and commend the discerning and astute geniuses who spend days perfecting this absolute piece of brilliance. Your home theatre is imploring you to give it the power that it craves and covets. You’ve had your fill with speakers which are not majestic, this mighty beast however has been designed to outperform all of them. They have not left a scarcity of anything, Polk audio does not believe in making a product which people always carp about and doesn’t accomplish anything useful, they don’t want to swindle you, they believe in delivering excellent products so that you get the sound which you’re after. The whole purpose of surround sound is to get the most out of your music, movies and TV shows. This speaker is equipped with 1-inch silk/polymer composite dynamic balance dome tweeter, the overall frequency response is 48-25kHz and is equipped with two 6.5-inch diameter bi-lamerate organic fiber cone woofers. A critically tuned flared port minimizes port noise (chuffing) for good low frequency extension which mitigates and nearly eradicates the low port noise resulting in a more fluent, more thrilling and invigorating bass.


Unboxing PolkAudio TSi/TSX CS 20 Center speaker

Unboxing PolkAudio TSi/TSXCS 20 Center speaker.


The discerning people who have devised this speakers are also cognizant about your admirable taste in interior décor. They want your whole audio system to integrate and beautifully blend in the environment for this very reason they are timbre-matched with the TSi series. Analogous to Polk audio CS10, the Polk Audio CS20 center channel speaker also has a very unique reversible-design which means if it is inverted then the sound is directed upwards towards listening area which adds to its flexibility and gives you more options for their right placement. This speaker is robust and stalwart, it does not only look good and prodigious but it also produces sound which verifies what you have in mind , you expect speakers of such enormous size to really deliver sound which is sprightly and vivacious. The Polk Audio CS20 center channel speaker has everything which CS10 offers, if you are to compare them you’ll find that this speaker has a rather intimidating and patronizing appearance and why not? The five-way binding post connectors at the back provide secure hook-up options, the dimensions of this fascinating speaker is 10.8 x 23 x 7.4 inches .It weighs 19 pounds. The speakers have an alluring design keeping the contemporary trends in mind these speakers have been designed to elegantly and subtly fit in your home-audio theatre system, the pewter accents, a high gloss piano –finish black top plate and stylish black or cherry wood-grain finishes looks just absolutely captivating.

9 Total Score

Sound Quality
Appearance and Design

9 Total Score

Sound Quality
Appearance and Design


Polk Audio
91 dB
Impedance (Ohms)
8 ohms
Frequency Response
48 Hz → 25 kHz
Power Handling
20-150 watts


23 inches
7.38 inches
19 lbs (8.62 kg)
10.75 inches


5 Years
5 Years

Additional Features

Other Features

Polk Audio CS20 is No Longer Being Sold But here is the Sister Speaker CS10

 in stock
11 new from $99.99
5 used from $89.00
Free shipping
as of March 26, 2023 1:39 pm


  • 1-Inch (25mm) Fabric/Polymer Composite Dynamic Balance Dome Tweeter with powerful Neodymium magnet structure delivers clear and detailed high frequency response for realistic reproduction of vocals and instruments.
  • Two 5-1/4 in. Bi-Laminate Composite Dynamic Balance Drivers are lightweight and stiff with good damping for high efficiency, excellent bass and lower distortion.
  • Non-resonant all-MDF enclosure construction with 3/4 in. thick baffles ensures cleaner, clearer, more lifelike sound quality.
  • Unique Reversible-design cabinets can be turned upside down to aim "up" when placed under a video monitor.
  • Five-Way Binding Post Connectors for more secure hook-up options.

Product Description

The CS10 center, like its larger brother the CS20 sounds just as good but is a little smaller. It still has an angled top allowing you to invert the speaker and place it below your TV- directing sound towards the listening area. CS10 works great with the TSi100, TSi200 and others. Speaking of the cabinet (no, not the Presidential Cabinet), it's extensively braced from MDF with ¾-Inch thick baffles. Cheaper speakers will use other material such as particle board which is flimsy, robbing you of good sound. With pewter accents, a piano black top plate and removable black grille, TSi speakers look awesome and take up less than one square foot. All models are available in a choice of black or cherry wood grain, so don't be ashamed to show off your stereo equipment.


Unlike the electronics, your speakers won't go out of date, so bring out the most in your entertainment experience with Polk TSi Series. A great match to the TSi Series, the Polk Audio CS10 center channel speaker--the most important speaker in surround sound--is smaller than its sibling CS20, but still sounds just as good. And it has an angled top allowing you to invert the speaker and place it below your TV--directing sound towards the listening area. The TSi Series and the CS10 were designed to be highly efficient, so they can be driven easily by unpretentious receivers, and they're voice-matched for lifelike surround sound environments. This speaker in black measures 6-1/2 by 20 x 9-3/4 inches (HxWxD). The Polk Audio CS10 center channel speaker in black (see larger image). Key Features Quality built cabinets. The cabinet is extensively braced from MDF with 3/4-inch thick baffles. Cheaper speakers will use other material such as particle board which is flimsy, robbing you...

Price history for Polk Audio CS20 is No Longer Being Sold But here is the Sister Speaker CS10
Latest updates:
  • $109.00 - March 15, 2020
  • $109.95 - March 13, 2020
  • $109.00 - March 12, 2020
  • $108.95 - March 11, 2020
  • $109.00 - March 10, 2020
  • $119.00 - February 27, 2020
  • $109.00 - February 18, 2020
  • $109.99 - February 18, 2020
Since: September 20, 2019
  • Highest Price: $119.00 - October 18, 2019
  • Lowest Price: $89.00 - December 29, 2019


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