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Polk Audio Blackstone™ TL350

Compact home theatre speaker system

Item # 107TL350

Build the home theater system you always wanted without sacrificing valuable living space.

Build the home theater system you always wanted without sacrificing valuable living space.

Item # 107TL350

Ships free

In stock

C$899.99 Sale: -C$400.00 off


About the Polk Audio Blackstone™ TL350

High-performance sound from compact, elegant speakers

Build the home theater system you always wanted without sacrificing valuable living space. Polk's Blackstone TL350 system delivers lifelike performance from handsome, compact speakers. The TL350 contains four perfectly matched Blackstone TL3 satellite speakers and a Blackstone TL3 center channel speaker.

High-performance sound from compact, elegant speakers

Build the home theater system you always wanted without sacrificing valuable living space. Polk's Blackstone TL350 system delivers lifelike performance from handsome, compact speakers. The TL350 contains four perfectly matched Blackstone TL3 satellite speakers and a Blackstone TL3 center channel speaker.

With the same tweeter found in their flagship full-sized loudspeakers and packed with exclusive state-of-the-art technologies, the TL350 speakers overcome some of the usual limitations of compact speakers. You'll hear the kind of accuracy and detail you expect from much larger speakers, including a wide soundstage and realistic detail.

Crisp, dynamic sound thanks to high-tech drivers

grille off

A big part of the TL350's incredible sound is the 3/4" Ring Radiator tweeter in each of the five speakers. Found in Polk's flagship speakers, these sophisticated tweeters reproduce transparent, natural highs. The 3-1/4" aerated polypropylene woofers are lightweight, but also stiff and strong, allowing the cones to move more freely in the baffle. It means you can play your movies and music loud without hearing any distortion. Polk's Extended Linear Motion voice coils help make the cones' movement even more efficient to further cut down on distortion and extend the speakers' dynamic range. This increased efficiency is the key to the TL350's big sound.

Immersive home theater performance

The "TL" refers to Polk's "Time Lens" technology, which aligns the drivers in such a way that high- and low-frequency sounds all reach your ears at the same time. This improves the speakers' imaging and soundstaging, so that you'll feel less like you're watching a movie and more like you're part of it. An "acoustic lens" in the speaker grilles disperses sound waves in a way that makes your music and movie soundtracks sound larger and more open. The TL350 also features Polk's acclaimed PowerPort® technology to help reinforce bass output. Plus, its sturdy cabinets are reinforced with steel plates to help fight resonances that can muddy the sound.

Easy placement and optional system customization

The TL350 speakers have combination keyhole slots and threaded inserts in the back for easy mounting on your wall. Complete this system by adding the Polk powered subwoofer of your choice to get deep, room-shaking bass. You can even upgrade to a seven-channel home theater when you add an extra pair of satellite speakers to the mix.


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System details:

  • includes four compact satellite speakers and a center channel speaker
  • Time Lens technology aligns the drivers for better soundstaging and imaging
  • frequency response: 115-28,000 Hz (-3 dB)
  • sensitivity: 88 dB satellite speakers; 90 dB center channel speaker
  • handles up to 125 watts
  • impedance: 8 ohms
  • satellites each contain a 3/4" Ring Radiator tweeter and a 3-1/4" aerated polypropylene Dynamic Balance® mid/woofer
  • center channel contains a 3/4" Ring Radiator tweeter and dual 3-1/4" aerated polypropylene Dynamic Balance® mid/woofers
  • Extended Linear Motion (ELM) voice coil helps reduce distortion and extend dynamic range
  • PowerPort® technology for better bass response
  • steel-plate reinforced cabinets fight internal resonances
  • curved enclosures with high-gloss finish
  • 5-way gold-plated binding posts
  • includes combination keyhole slot and threaded insert for easy wall-mounting
  • satellite speakers: 4-1/2"W x 7-3/4"H x 5-11/16"D (each)
  • center channel speaker: 16-3/4"W x 4-1/4"H x 3-15/16"D
  • warranty: 5 years
  • Our 60-day money-back guarantee
  • MFR # AM9935-A

What's in the box:

  • 4 Gloss-black satellite two-way loudspeakers
  • Gloss-black center-channel loudspeaker
  • 5 Detachable black cloth grilles (attached)
  • 4 Mounting brackets
  • Four 1/4"-20 mounting screws
  • System Diagram/Warranty sheet
  • Template
  • Online Product Registration card

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More details on the Polk Audio Blackstone™ TL350

Stacey B.

Features & specs

Enclosure Bass Reflex
Video Shielded No
Pieces in System 5
Color Gloss Black
Tweeter Ring Radiator
Midrange size (inches) N/A
Woofer size (inches) 3-1/4
Woofer Composition Aerated Polypropylene
Woofer Surround Rubber
Impedance (Ohms) 8
Connector Type 5-way post
Mounting Bracket Included Keyhole
Recommended Stand Height (inches) 28-34
Parts Warranty 5 Years
Labor Warranty 5 Years
RMS Power Range (watts) 10-125
Subwoofer RMS Power (watts) Not Given
Main Speakers (inches) 7-3/4H x 4-1/2W x 5-11/16D
Center Speaker (inches) 4-1/4H x 16-3/4W x 3-15/16D
Surround Speakers (inches) 7-3/4H x 4-1/2W x 5-11/16D
Subwoofer (inches) No Subwoofer

Product Research

System Overview
Driver Technology
Enclosure Design
Mounting Options

System Overview

Polk Audio black Stone TL350 Five Speaker Package: The Polk Audio Black Stone TL350 is a 5-speaker surround-sound system. The Polk Audio Black Stone TL350 five-pack includes four matching Black Stone TL3 satellite speakers and a Black Stone TL3 horizontal center-channel speaker. The Polk Audio Black Stone TL series speakers (TL3) feature new innovations specifically designed to enhance compact speaker performance. The Black Stone TL3 series speakers features a two-way loudspeaker design and a bass-reflex enclosure. The TL3 series speakers are equipped with 5-way binding posts and offer various mounting options.

Note: The Black Stone TL350 has an overall system frequency response of 115 to 28,000 Hz and will require a powered subwoofer (107PSW111, sold separately) for full-range sound. You can also connect additional TL3 series speakers for 6.1 and 7.1 channel home theater configurations.

Driver Technology

Dynamic Balance Driver Technology: Polk Audio's patented Dynamic Balance process allows Polk to design their drivers specifically for flatter frequency response, revealing the sharpest details and a more lifelike transparency, with absolutely no strain even at high volume. It's a bold, rich, warm, and lifelike sound.

Time Lens Technology: The sophisticated laser alignment of the "acoustic center" of the Blackstone TL3 tweeters with their accompanying drivers results in far superior imaging. The acoustic centers of the tweeter and mid-range woofer are aligned, creating a crisp accurate soundstage. The acoustic centers of the tweeter and mid-bass driver are located in the same plane for superior imaging, while the acoustic lens incorporated in the grille smoothes the tweeter's frequency response.

3/4" Ring Radiator Tweeter: The Polk Audio Black Stone TL3 series speakers feature a 3/4" ring radiator tweeter that is normally found only on high-end loudspeakers. The 3/4" ring radiator tweeter offers incredible accuracy and detail, so you music sound likes the artist intended.

3-1/4" Aerated Polypropylene Woofer: The Polk Audio Black Stone TL3 series speakers employ a 3-1/4" aerated polypropylene cone woofers with Dynamic Balance driver technology (Polk's patented transducer design process) that produces a flat frequency response, with sharp detail, transparency, and the ability to play loud without strain. The aerated  polypropylene cone is lightweight, yet stiff and strong, with longer linear excursion capabilities in a limited compact enclosure space, so it plays louder with less distortion.

Note: Each satellite speaker features one 3-1/4" woofer. The center-channel speaker features two 3-1/4" woofers.

Optimized Linear Motor Structure: Engineered for better compact speaker performance, Polk's OLM Motor Structure flattens the BL Curve, making cone movement more efficient than previously possible, reducing distortion and extending the small speaker's dynamic range right up into big speaker territory

Frequency Response: The system's overall frequency response is 90-31,000Hz, and the -3dB frequency response is 115-28,000Hz.

Enclosure Design

Enclosure Type: The Polk Audio Black Stone TL3 series speakers feature a non-resonant composite enclosure with time-aligned geometry, and PowerPort technology.

Curved Enclosure Design: The Polk Audio Black Stone TL3 speakers employ non-parallel surfaces that not only lead to a stronger, more rigid and acoustically inert enclosure, but they also result in less audible coloration from internal surface resonances.

Steel Reinforced: Extra-rigid steel plates reinforce the curved enclosures of the TL3 series speakers, resulting in acoustically inert enclosures free from internal resonances and any audible coloration, for more lifelike audio detail.

Integrated Acoustic Lens: An innovative acoustic lens incorporated into the grille produces a high frequency response so smooth that it delivers a balanced, realistic performance. An acoustic lens is molded into the back of the speaker grille and helps create imaging frequency balance previously impossible in small high-performance satellite speakers.

PowerPort: The Polk Audio Black Stone TL3 series speakers utilize Polk Audio's patented bass venting technology, for added midbass response and increased efficiency. PowerPort technology decreases port turbulence and virtually eliminates "port noise," for a massive 3dB boost in bass response.

High-Gloss Finish: The Polk Audio TL3 series speakers feature a durable, deep automotive-strength high-gloss black finish that matches today's most stylish flat-panel TVs.


5-Way Binding Posts: The Polk Audio Black Stone TL3 series speakers are equipped with one pair of 5-way binding posts to ensure a secure connection to many types of speaker cables and connectors. The binding post terminals will accept banana plugs (single or dual), pin-connectors, spade-connectors, and bare wire (18-12 AGW).

Mounting Options

Rubber Feet: The Polk Audio TL3 speakers feature integrated rubber feet so you can sit the speakers on a stand or shelf securely.

Wall Mountable: The Black Stone TL3 satellite speakers and center-channel speaker are wall mountable.

  • Satellite Speakers: The TL3 satellite speakers come with wall-mount brackets that feature keyhole slots. The included wall-mount brackets attach to the speakers' 1/2"-20 threaded inserts. The keyhole slots let you mount the speakers to a wall with a single mounting screw (not supplied). You can angle the speakers left or right by adjusting the brackets position on the back of the speakers. The 1/4"-20 threaded inserts on the back of the satellite speakers can also be used for mounting the speakers to the wall using optional articulating brackets (sold separately).
  • Center-Channel Speaker: The TL3 center-channel speaker features dual single keyhole slots on the back of the cabinet for wall-mounting the speaker without any additional wall-mount bracket (mounting screws not supplied). There is also a 1/4"-20 threaded insert on the back of the center-channel speaker for mounting the speaker to the wall using an optional articulating bracket (sold separately).

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Customer Q&A

Crutchfield asked: Why did you buy this?
Been after the TL350 Speakers from Polk for a long time. Couldn't pass up this price and have had good experience with Polk speakers in the past. [ Nathan  May 23, 2019 ]
After doing some research, and looking at the comments and reviews, these seemed quite compatible with my configuration and price range. Also, the people in my house don't like the music or TV sound blasting, so why spend $2,000 on speakers, when these will do the job? Great price, too! [ Frank  Mar 13, 2019 ]
Nice price for the quality [ PAT  Feb 17, 2019 ]
I had put a 5.1 set in my Dad's new house and it was a significant step up in sound from what I had in my own house, so I got myself some. I didn't want to fit the larger Polk bookshelf speakers on my walls. [ Jim  Jan 29, 2019 ]
I believe quality& performance is a factor until proven otherwise. [ HOWARD  Jan 23, 2019 ]
Quality and size for cost. Needed smaller speakers for a basement remodel. [ Alexander  Dec 31, 2018 ]
Gift for my cousin. Can't go wrong with Polk. [ Lori  Dec 11, 2018 ]
On sale and had great reviews and recommendation by tech support for my application with large room and overhead and existing components already in system. [ Roger  Nov 22, 2017 ]
The best reviews [ H  May 11, 2017 ]
i had bought this a while back, and i love the surround sound they put very very clear sound. [ RICHARD  Feb 27, 2017 ]
clarity [ chris  Feb 05, 2017 ]
Lucky me! I have a techie friend who does all kinds of research on technology items. I asked him for help picking out new speakers for my home renovation. He highly recommended the Polk Audio blackstone TL350. He also recommended your site. [ Nina  Jan 28, 2017 ]
Good value as a package [ BRENTEN  Jan 02, 2017 ]
We were upgrading our family room home theater with a new Denon receiver, and decided to get smaller speakers than our blocky Kefs, which still sounded good. These fit the bill! We are very impressed with their clarity and quality. [ D  Jan 01, 2017 ]
Recommendation of Crutchfield technical adviser. [ WILLIAM R  Nov 27, 2016 ]
wanted a compact solution. I have had good luck with Polk. I wanted the better connection posts. [ Clifford  Sep 05, 2016 ]
we have Polk Audio speakers in our upstairs bonus room and they sound great. The price reduction helped me to make this purchase. [ Susan  Aug 23, 2016 ]
Price and reviews [ BRIAN  Aug 08, 2016 ]
First of all Crutchfield is a good reputation website, with 60 days returning products,and secondly I red many positive customer reviews & finally the day I purchased it, The unopened & brand new TL350 Polk audio speaker system was sold out ;so that I purchased the scratch and dent for a chipper price. [ fernando  Feb 13, 2016 ]
These have been some of the best speakers I have owned. I have bought a more expensive set for another room a year prior to this set. I honestly think Polk has outdone themselves on this system. Excellent buy for the money. Make no mistake: these are heavy speakers with a very solid sound. Highly recommended. [ ALEX  Feb 02, 2016 ]
Premium sound for my smaller media room without compromises. The special offer on the subwoofer sealed the deal! [ George  Jan 27, 2016 ]
Great speakers.... [ Jeff  Dec 18, 2015 ]

4 questions already asked

For those who picked this kit at either price old or new. Do you feel it's a good value and more importantly sound quality for movie / TV use? Any problems with good clear dialogue especially with action or loud transitions? Lastly do you feel they provide enough range (not sub bass obviously)
[ John  Apr 24, 2019 ]
2 answers
The speakers are suitable for TV and surround sound movies, They are clear, and a bit bassy. As I said they do a fine job for the TV and blu ray movies. I hooked them up to my Yamaha amp, disc player and turntable. The big JBL's walk all over them, but again I knew this when I bought them. They fit perfectly in my small living room and blend well with the furnishings. BUY THEM, excellent choice.
[ Edward  May 01, 2019 ]
I love this set! I have a 20 year old set of Polk satellites that I also love. I wanted to add a couple of channels so I bought a couple of Bowers & Wilkins M1s. The B & Ws have no high end above 18kHz compared to the Polks. I've had the TL350 set since January and have them mated with a Marantz SR7012 and B & W 10 inch sub. It's a perfect mate for a small room. If you have a bigger room, I use an SVS 12 in sub in the main room mated with the old Polk satellites (which are smaller) and it matches very well. You will not be disappointed with these!
[ Sean Steven  May 01, 2019 ]
Can I add two of TL3 as surround speakers to convert TL350 into 7.1?
[ RP315  Dec 24, 2015 ]
5 answers
Yes, you can if your receiver will support a 7.1 format. When I initially purchased the TL3 speakers, I was using two similar (Cambridge Soundworks) speakers which, eventually, were replaced by two new TL3 speakers. The speakers are matched in such a way that they work well together.
[ Dr.  Dec 24, 2015 ]
Yeah you can check the system details on the website for TL350 to match.
[ CORDELL  Dec 24, 2015 ]
I have the 350s as a 5.1 and totally happy driven by an onkyo nr-828 but if the receiver supports 7.1, no reason you cant add 2 more.
[ NICK  Dec 24, 2015 ]
99.9% sure. When I bought my TL350 over the phone with Crutchfid, they told me it was 4 TL3 speakers with the matched center channel. Same thing, just put as a set. Adding 2 TL3s to the TL350 would make 4 matched speakers (plus center). I added a sub and everything sounded amazing. When in doubt...just call them. They will explain everything. I always call before a purchase, even if I know exactly what I want....just to make sure I did not overlook something.
[ JEFF  Dec 24, 2015 ]
Yes, that's what I did. They sound great in my family room.
[ Earl  Dec 24, 2015 ]
What stands are available that would accommodate these? Would the Sanus HTBS stands work or are they not strong enough? Thanks.
[ PaulF  Mar 31, 2015 ]
3 answers
These speakers will mount directly to the wall with no additional mounts. They are small so I think any stand will work with them if you are not mounting them
[ ROBERT J  Apr 01, 2015 ]
I bought sanus stands and ultimately ended up using the factory stands. They were definitely strong enough but I honestly did not like the way they looked and I ended up returning them. I have not had any issues with the factory stands.
[ JOSHUA  Apr 01, 2015 ]
Any stands that you try to mount with speakers are not strong enough. I tried two different brands of stands and they both fell over. Try velcro mounting them to a wooden stand with a flat surface. It works but the look I don't like because the speakers have a small base and the speaker stands surface is large 8 x 8. Hope this helps.
[ DWIGHT  Apr 01, 2015 ]
How much does each satellite speaker weigh (in pounds)? I am considering an articulating mount for each but the mount will only hold 8 pounds max.
[ Robert  Dec 06, 2014 ]
5 answers
The shipping weight for the five speakers is 20.3 lbs. The center speaker weighs 4.7 lbs. Therefore, the satellite speakers weigh approximately 3.9 lbs each.
[ RICHARD A  Dec 07, 2014 ]
Robert, I remember them being heavy, but they are hanging on the wall, so checking that is not an option. I did, however, find a system review online, which states that each of the satellite TL3 speakers is 3 pounds, while center speaker is 4.7 pounds. Hope this helps. By the way, they are excellent speakers for the price! Don't forget one of their subs, which are phenomenal.
[ ALEX  Dec 07, 2014 ]
They come with adjustable mounts that keep them tight to the wall for a nice low profile
[ ROBERT J  Dec 07, 2014 ]
I don't know the exact weight but they are definitely less than 8 pounds each. Great system! You will not be disappointed.
[ BRYAN  Dec 07, 2014 ]
No worry. They're only a couple-few pounds each.
[ WILLIAM R  Dec 07, 2014 ]

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