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Polk Audio TSx330T

Floor-standing speaker (Black)

70 Reviews | 2 questions - 2 answers

Item # 107TX330TB

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Our take on the Polk Audio TSx330T

The folks at Polk Audio are experts at filling your room with rich, lifelike home theater and stereo sound, without emptying your wallet. Take their high-performance TSx330T floor-standing speakers, for example. These towers use a 1" silk/polymer dome tweeter and two 6-1/2" Dynamic Balance® woofers to pump out smooth, spacious highs and surprisingly deep lows that will easily fill your small- to medium-sized room without taking up a lot of valuable floor space, or your hard-earned cash.

Fill your room with fantastic sound

The folks at Polk Audio are experts at filling your room with rich, lifelike home theater and stereo sound, without emptying your wallet. Take their high-performance TSx330T floor-standing speakers, for example. These towers use a 1" silk/polymer dome tweeter and two 6-1/2" Dynamic Balance® woofers to pump out smooth, spacious highs and surprisingly deep lows that will easily fill your small- to medium-sized room without taking up a lot of valuable floor space, or your hard-earned cash.

Designed and built for exceptional performance

Polk carefully builds the TSx-series speakers using advanced manufacturing techniques and high-quality materials — they put a lot into them so you get a lot out of them. Each one boasts Polk's exclusive Dynamic Balance® drivers — a bi-laminate design of fiber-infused polymers sandwiched together to form a strong yet highly efficient lightweight cone for natural, low-distortion sound. Polk puts these advanced drivers through extensive testing to find and eliminate resonance points, ensuring that everything you listen to sounds clean and accurate.

Polk also paid special attention to the TSx crossovers, using a high-performance design with premium parts like Mylar bypass capacitors to deliver smooth and extended high-frequency details. Even the enclosures contribute to great sound. Their attractive cabinets use non-resonant MDF (Medium Density Fiberboard) and non-parallel curved side panels to create a rigid, acoustically inert structure that effectively reduces audible coloration.

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DIANE, Chicago, IL

What's in the Box:

  • Floor-standing loudspeaker
  • Detachable cloth grille (installed)
  • Owner's Manual
  • Online registration sheet

Product Highlights:

  • bass-reflex (ported) design
  • frequency response: 45-24,000 Hz (-3dB)
  • recommended amplifier power: 20-150 watts
  • 1" silk/polymer Dynamic Balance® dome tweeter
  • two 6-1/2" Dynamic Balance bi-laminate composite woofers with butyl rubber surrounds
  • impedance: 8 ohms
  • sensitivity: 90 dB
  • front-firing tuned port makes speaker less sensitive to room placement and allows closer placement to a wall
  • dual 5-way gold-plated binding posts allow bi-wiring or bi-amping
  • woodgrain vinyl finish
  • 11-1/4"W x 37-7/16"H x 13-3/8"D
  • weight: 29.9 lbs.
  • warranty: 5 years
  • Our 60-day money-back guarantee

Polk Audio TSx330T Reviews

Average Customer Review(s):

(70 Reviews)
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Hands-on research

Features and Specs

Enclosure Bass Reflex
Finish Wood-grain vinyl
Color Black
Tweeter Dome
Tweeter Size (inches) 1
Midrange Size (inches) N/A
Woofer Size (inches) 6.5
Woofer Composition Bi-Laminate Composite
Woofer Surround Butyl Rubber
Built-in Powered Sub No
Video-Shielded No
Connector Type 5-way post
Bi-amp Inputs Yes
Parts Warranty 5 Years
Labor Warranty 5 Years
Power Range 20-150
Frequency Response 45-24k Hz
Sensitivity 90 dB
Impedance (Ohms) 8
Amplifier Power ---
Height (inches) 37-7/16
Width (inches) 10-1/16
Depth (inches) 13-3/8
Weight 29.9 lbs

Product Research

Driver Technology
Enclosure Design
Mounting Options

Driver Technology

TSx Series Loudspeaker: Introducing the TSx Series of loudspeakers from Polk; stylish and quality-built for high performance. The high efficiency TSx Series loudspeaker features a unique curved enclosure wrapped in a wood-grain vinyl. The loudspeaker employs Dynamic Balance tuned drivers and tweeters for realistic mid-range, deep, well-blended bass, and incredible detail - for a classic Polk sound that is naturally open, spacious, and clear.

High Efficiency Design: The TSx Series loudspeaker can be driven by practically any electronics, even the most modestly-powered amplifier or receiver. Whether you're connecting them to the newest digital receiver, or to your vintage amp, the TSx Series loudspeaker can produce sound that's spacious and clear, enveloping and realistic.

Dynamic Balance Drivers: The TSx Series loudspeaker uses Polk's Dynamic Balance Driver Technology for great sound. Dynamic Balance is a proprietary Polk Audio technology using laser imaging to determine what combination of speaker materials create the least amount of resonance. Eliminating resonance in speakers results in a wide, smooth response and low distortion. Using just the right materials enables Polk to tune out performance-robbing resonances before they occur.

Klipple Optimized Motor: Klipple Optimized Motor employs a laser and sophisticated software for large scale analysis of the TSx Series loudspeaker's drivers in motion. Using this state-of-the-art laser and software process, Polk engineers were able to optimize the speaker's motor structure, voice coil alignment, and suspension to yield the best possible performance.

Silk/Polymer Dome Tweeter: The TSx330T tower loudspeaker features a 1.0" silk/polymer Dynamic Balance dome tweeter with a powerful neodymium magnet structure that delivers clear and detailed highs for realistic reproduction of vocals and instruments, without fatigue.

Bi-Laminate Composite Woofers: The TSx3300T tower loudspeaker features two 6.5" bi-laminate composite Dynamic Balance midbass/midrange drivers for crisp, detailed midrange and smooth, natural bass extension. These Dynamic Balance bi-laminate composite cone woofers are lightweight and stiff with exceptional damping. They use butyl rubber surrounds, vented polyamide voice coils, massive motor structures, and high-temperature aramid fiber spiders to create a driver of exceptionally high efficiency, clear bass, better linearity, lower distortion, and greater durability.

High Performance Crossover: The loudspeaker employs a high performance crossover system for optimum blending and time alignment of the overall speaker. Mylar bypass capacitors are used to reveal extended high frequency details.

TSx-Series Timbre-Matched: All Polk loudspeakers are timbre-matched within their series, designed with the same components throughout, to achieve seamless speaker-to-speaker blending effects in multi-channel systems.

Frequency Response: The TSx330T tower loudspeaker has an overall frequency response of 33Hz-25kHz, while the -3dB frequency response is 45-24kHz.

Enclosure Design

Curved MDF Cabinet: The TSx330T tower loudspeaker utilizes a unique curved cabinet design which creates a stronger, more rigid and acoustically inert enclosure. The elegantly curved side panels, which create non-parallel surfaces, reduce unwanted internal standing waves for less audible coloration. Non-resonant all-MDF construction with front-to-back and side-to-side internal bracing, and a 3/4"thick baffle ensures cleaner, clearer, more lifelike sound quality.

Note: The TSx330T tower loudspeaker is available in either a black or cherry finish.

Flared Port: The TSx Series loudspeaker features a critically-tuned, front-firing 3" flared port. The flared port improves air flow and minimizes port noise ("chuffing"), while ensuring good low frequency extension with low distortion. This flared port design lets the TSx speaker reveal realistic, natural, full-bodied sound with rich bass.

Anti-Diffraction Grille: The computer modeled anti-diffraction grille minimizes grille interference, so it doesn't get in the way of your sound. This black cloth grille is detachable.


Dual 5-Way Binding Posts: The TSx330T tower loudspeaker has two sets of gold-plated 5-way binding posts connected by gold-plated jumpers. Using the dual 5-way binding posts, you can bi-amp or bi-wire the speakers. The 5-way binding posts will accept bare wire (up to 10AWG), pin-connectors, spade-connectors, and banana plugs (single or dual). The speaker terminals are color coded for easy identification between positive (red) and negative (black).

Mounting Options

Placement: Create an equilateral triangle between the speaker and the listening position. If you notice video distortion or discoloration, immediately move the speaker away from the video source.

Integrated Feet: The TSx330T tower speaker features four integrated conical non-slip feet to ensure stability for precise positioning.

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team. They verify what’s in the box, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

I chose these speakers because they represent great bang for your buck and because of the excellent reviews. Should be perfect for the smaller size room I want to use them in. [ Arun  Nov 12, 2016 ]
Theses are for my girlfriend. I currently own $1000.00 a pair Polks. Figure these will be pretty decent for her. [ Kenneth  Oct 08, 2016 ]
I like the way Thay look an sound!!! [ Robin  Aug 20, 2016 ]
I choose these speakers because they are very close match to my present Polks that I use up front. [ RALPH J.  Aug 12, 2016 ]
Eddie did a great job helping me upgrade my current system. I asked him many questions and bugged him for a few days, but I think these items will be a great addition to my current set-up. My neighbors may not like it, but it's getting cranked up! Eddie's Bio: [ Rod  Aug 12, 2016 ]
Great Price [ Dan  Jul 11, 2016 ]
price [ Bradley  May 01, 2016 ]
I love Polk. They just cater to my ears. I got these to replace some Klipsch reference floorstanders that I was unhappy with. To my surprise, the two different pairs of speakers blend beautifully. I kept both pairs and play everything through all four speakers. Very happy with the results. [ THOMAS R  Mar 13, 2016 ]
Becase a friend recomends me [ freddy  Mar 06, 2016 ]
Amazing sound and great bass. [ GERARDO  Jan 26, 2016 ]
Gorgeous sound that they produce, and they don't require a lot of room. [ Domingo  Jan 11, 2016 ]
I chose the tsx330t based mostly on the reviews from other customers. The size and price fit my space and my wallet. Hopefully they perform as well. I feel confident that they will. [ Nathan  Dec 19, 2015 ]
Polk history of delivering great sound at reasonable prices. Plus Buy one get one 50% deal was great too [ MARK  Dec 16, 2015 ]
liked it [ Bill  Sep 24, 2016 ]
I have a set of Polk speakers that I've had for 8 to 10 years now and my living room, love the product for the money, this color will fit perfectly in my family room, I've had no problems, so I thought I would try again with Polk. !! I am a little concerned, that I should've purchased TS X44OT [ M  Jul 30, 2016 ]
Great speakers, great price. Thank you. [ JAMES  Jun 01, 2016 ]
Great speakers! Just got them and they are great for all types of music. These speakers are tall and slender built into nice cherry cabinets. [ Ross  May 22, 2016 ]
Because I have trusted this company since the early '80's. I am proud of the gentleman that founded this company and his sincerety. [ JAMES A.  May 16, 2016 ]

2 questions already asked

Thanks for your question. For information on comparing two or more models I would recommend reaching out to an Advisor by phone (1-800-324-9695) or online chat. They will be able to help determine the differences and help you make the best choice for your system and your budget. [ Krissy  Jul 25, 2014 ]  Staff
That's really a matter of opinion Timothy. I will say that most tower speakers no longer use the larger 12" drivers as they are commonly paired with a powered subwoofer which handles all the deepest bass frequencies. You may want to check the bass management settings on your Integra. If your front channels are set to "small" the receiver will not send them the deeper bass frequencies and re-route them to the powered subwoofer. If they are set to "large" and you're still not getting the bass you want from them, the Polk TSx330T will not provide more bass so, you're best course of action would be to add a second subwoofer or, replace the one you have with a more powerful version. I hope that helps! My Bio: [ Ryan  May 09, 2016 ]  Staff