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Polk Audio Blackstone TL150

5-speaker home theater system

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Our take on the Polk Audio Blackstone™ TL150

by Kristen Schaub
Polk Audio

Why choose a pre-matched speaker system?

Looking for speakers that'll deliver thrilling, edge-of-your-seat surround sound? Choosing a pre-matched speaker system is one way to ensure seamless home theater performance. These systems are made up of speakers that share the same tonal characteristics — that means the sound will stay consistent as it moves from speaker to speaker around your room. Most pre-matched systems come with a subwoofer — a must-have for high-impact bass.

Having trouble getting through movie night without nodding off and spilling the popcorn on the couch? Maybe it's time to upgrade your sound with Polk's Blackstone TL150 speaker system. Ideal for small- to medium-sized rooms, this convenient package gives you dramatic, engaging movie theater sound that'll keep your attention focused and your eyes glued to the screen. The four Blackstone satellite speakers and the center channel use some pretty advanced driver technology, so you experience impressively effortless sound from speakers that take up very little space. Just add a Polk subwoofer to get deep, rumbling explosions and room-thumping bass for all your favorite action flicks. You can even upgrade to a seven-channel home theater when you add a pair of TL1 satellite speakers to this system.

Advanced technology produces astonishingly realistic sound

Polk's latest breakthrough is "Time Lens" technology, which aligns the drivers in such a way that all the frequencies reach your ears at the same time. It improves the speakers' soundstaging and imaging, so that you'll start to forget you're watching a movie and really feel like you're part of the action. This technology makes this system great for video games, too, because you'll be able to clearly pinpoint where sounds are coming from all around you, like monster roars or enemy gunfire.

Polk's enclosure design puts performance first

The satellite and center channel speakers also use an "acoustic lens" in their grilles to disperse sound waves in a way that makes your movie and music soundtracks sound larger and more open. And unlike a traditional port hole, these speakers have something called an "aperiodic-tuned rear port." It's more like a breathable membrane that controls air flow in and out of the enclosure, giving them the acoustic benefits of both a sealed and a ported enclosure, including better bass extension and a pleasing mid-bass boost. It also means you can place these speakers in the open or against a wall, and still get great sound.

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System details:

  • includes four compact satellite speakers and a matching center channel speaker
  • Time Lens technology aligns the drivers for better soundstaging and imaging
  • frequency response: 125-20,000 Hz (-3 dB)
  • satellites handle up to 100 watts; center handles up to 125 watts
  • sensitivity: 89 dB
  • impedance: 8 ohms
  • satellites each contain a 1/2" silk dome tweeter and a 2-1/2" Dynamic Balance™ midrange
  • center channel contains a 1/2" silk dome tweeter and dual 2-1/2" Dynamic Balance™ midranges
  • aperiodic tuned rear port
  • curved enclosures with high-gloss finish to complement today's flat-panel TVs
  • threaded insert for use with optional speaker stands or brackets
  • keyhole slots for easy wall-mounting
  • satellite speakers: 3-13/16"W x 6-1/2"H x 4-7/8"D (each)
  • center channel speaker: 15"W x 3-15/16"H x 3-7/16"D
  • warranty: 5 years
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
General
Enclosure
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Bass Reflex
Video Shielded
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No
Pieces in System
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5
Color
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Gloss Black
Tweeter
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Dome
Midrange size (inches)
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---
Woofer size (inches)
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2-1/2
Woofer Composition
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Composite
Woofer Surround
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Rubber
Impedance (Ohms)
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8
Connector Type
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5-way post
Mounting Bracket Included
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Keyhole
Recommended Stand Height (inches)
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31-36
Parts Warranty
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5 Years
Labor Warranty
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5 Years
Specifications
RMS Power Range (watts)
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20-125
Subwoofer RMS Power (watts)
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Not Given
Dimensions
Main Speakers (inches)
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6-1/2H x 3-13/16W x 4-7/8D
Center Speaker (inches)
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3-15/16H x 15W x 3-7/16D
Surround Speakers (inches)
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6-1/2H x 3-13/16W x 4-7/8D
Subwoofer (inches)
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No Subwoofer
Product Research
What's in the box?

Download owner's manual

  • 4 Gloss-black satellite two-way loudspeakers
  • Gloss-black center-channel loudspeaker
  • 5 Detachable black cloth grilles (attached)
  • System Diagram/Warranty booklet
  • Satellite speakers template
  • Center-channel speaker template
  • Online Product Registration card
  • Polk Audio brochure

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 open the box, verify contents, 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.

System Features
Driver Technology
Enclosure Design
Connections
Mounting Options

System Features

Polk Audio Blackstone TL150 Five Speaker System: The Polk Audio Blackstone TL150 high-performance five speaker system features 4 matching satellite loudspeakers and a horizontal center-channel speaker. The Polk Audio Blackstone TL150 system offers a compact, high-performance solution for your home theater, music listening, or gaming needs. Plus you can add individually available, perfectly timbre-matched Blackstone TL speakers (107TL1B, sold separately) to expand your home theater experience into 6.1, 7.1, or 9.1 channels.

Note: The TL150 five speaker system has an overall frequency response of 120 to 22,000 Hz and will require a powered subwoofer (sold separately) for full-range sound.

Driver Technology

Polk Audio Black Stone TL Series: The Polk Audio Black Stone TL series loudspeakers (TL1) feature new innovations specifically designed to enhance compact speaker performance. The Black Stone TL1 series speaker is a two-way satellite loudspeaker utilizing a bass-reflex enclosure with a rear-firing port. The TL1 series loudspeakers are equipped with 5-way binding posts and offer various mounting options.

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 TL 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.

Drivers: The Black Stone TL1 satellite & center-channel speakers feature a two-way design.

  • 1/2" Silk Dome Tweeter: Each Polk Audio Black Stone TL1 satellite & center-channel loudspeaker utilizes a 1/2" silk-polymer dome tweeter for crisp, clear imaging, and smooth response that's never tiring.
  • 2-1/2" Long-Throw Woofer: The Polk Audio Black Stone TL1 satellite loudspeakers use a 2-1/2" composite long-throw cone woofer, while the TL1 center-channel employs dual 2-1/2" composite long-throw cone woofers. Each long-throw woofer utilizes Dynamic Balance driver technology (Polk's patented transducer design process) to produce a flat frequency response, with sharp detail, transparency, and the ability to play loud without strain.

Frequency Response: The overall frequency response of each satellite loudspeaker is 120Hz-22kHz and the -3dB frequency response is 135-20kHz. The overall frequency response of the center-channel speaker is 95Hz-22kHz and the -3dB frequency response is 125-20kHz.

Enclosure Design

Enclosure Type: The Polk Audio Black Stone TL150 speaker system features a non-resonant composite enclosure with time-aligned geometry and an aperiodic-tuned rear port.

Curved Enclosure Design: The Polk Audio Black Stone TL1 satellite speakers and center-channel speaker 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.

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.

Aperiodic-Tuned Rear Port: An aperiodic-tuned rear port enables better blending with a subwoofer. This design combines the bass extension of an acoustic suspension enclosure with the mid-bass boost of a ported enclosure by controlling airflow through the port for better extension without distortion.

High-Gloss Finish: The Polk Audio TL1 satellite speakers and center-channel speaker feature a durable, deep automotive-strength high-gloss black finish that matches today's most stylish flat-panel TVs.

Connections

5-Way Binding Posts: The Polk Audio Black Stone TL150 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 TL1 satellite & center-channel speakers feature integrated rubber feet so you can sit the speaker on a stand or shelf securely.

Wall Mountable: The TL1 satellite & center-channel speakers feature keyhole slots on the back of the cabinet for wall-mounting the speakers without any additional wall-mount bracket (mounting screws not supplied). There is also a 1/4"-20 threaded insert on the back of each loudspeaker for mounting the speaker to the wall using an optional articulating bracket (sold separately).

 
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Polk Audio Blackstone™ TL150 Reviews

Average Customer Review:

9 people say:

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4 out of 5

Great Starter Set For A Surround System

Written By Zoookle, Pittsburgh, PA on Thursday, March 06, 2014
Crutchfield Customer Review (What's this?)
 
I got these to complement my music setup with the RTi A3's for movies. For the price these sound good, but will definitely upgrade these later down the road. The center speaker I don't think has as a high enough frequency response for dialogue like I thought it would. Using 2 of the four satellite speakers as surround left and surround right sounds decent but not as loud as expected. YPAO had these +4db while my RTi A3's were at -1db.

For the price overall they are awesome to start your home theater!

My Setup: Yamaha RX-A1020 Bi-Amped Polk RTI A3 (L & R) Pre-Out Polk PSW125 Sub Polk Blackstone TL150 (center and SL & SR) 14 guage wire banana plugs to AVR and bare wire to speakers
Pros:
Cool design and light in weight Good quality sound for the price
Cons:
Not quite loud enough Grill was cheap and flimsy Highs weren't high on center speaker for dialogue
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5 out of 5

... your SURROUNDed

Written By Tim K., Charlottesville, VA on Tuesday, January 14, 2014
 
These speakers sound great. I initially bought just the center speaker. Replacing my older "surround sound in a box" center channel. Boy what a difference that made. I enjoyed the sound improvement so much that I returned the center and bought this 5 speaker set at considerable savings to buying them separately. I can't compare these to high end speakers or the slightly larger ones in a similar price point, but those just wouldn't fit my room set up. I had previously bought a Infinity P38 Sub, which I highly recommend to round out these smaller bookshelf surrounds. They have breathed new life into my 10+ year old surround receiver.
Pros:
Sound, Size, Cost
Cons:
None
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4 out of 5

Polk Audio Blackstone™ TL150

Written By Antonio, San Juan, PR on Monday, January 13, 2014
Crutchfield Customer Review (What's this?)
 
Excellent speakers, especially considering their size. High sounds sound very crisp, at least crisper and clearer than my old Kenwood speakers. Good speakers for a small- to medium-sized room.
Pros:
Size, clarity of high and mid sounds
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5 out of 5

Nice

Written By Mike, Oak Island, NC on Monday, December 23, 2013
Crutchfield Customer Review (What's this?)
 
I have been building a new home theater system one piece at a time and these just about finish it off. I was surprised at how heavy the box was, they are good quality and have great sound and not only all that but they look great too.... very pleased with my purchase and would highly recommend....
Pros:
Quality
Cons:
None
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4 out of 5

Polk Audio Blackstone™ TL150

Written By Anonymous, Colorado Springs, CO on Monday, December 16, 2013
Crutchfield Customer Review (What's this?)
 
Great sound and perfect size for a small room. Wish it came with a sub, but still an agreeable price for what you get.
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5 out of 5

Polk Blackstone

Written By Jaime O, Guaynabo. Puerto Rico on Sunday, July 14, 2013
Crutchfield Customer Review (What's this?)
 
Bought them for my son's bedroom. Great performance. We are very pleased.
Pros:
Compact and easy hang on installation. great sound from such a small system.
Cons:
hard to find any for the price.
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5 out of 5

Quality + Budget = Polk

Written By JimS, Dobbs Ferry, NY on Saturday, April 20, 2013
Crutchfield Customer Review (What's this?)
 
I switched from my cable to FiOS last year and had to get rid of a bad home entertainment system that was dying. I bought a new Sony receiver and kept the old Sony speakers. I needed a sub-woofer so I searched the internet and found the Polk PSW12 at a reasonable price and I was happy until 6 months later when the 5 Sony surround speakers got a massive volume spike and blew out. I learned then about 3 ohm and 8 ohm and how they don't go together. Now I had a bigger problem. Did you ever try to buy surround speakers without the sub. Limited opportunities unless you spend a good deal of money. I went back to the internet and I came across 4 5.0 speaker sets available that wouldn't break the bank. Spotting the Polk Audio Blackstone TL150 I knew my search was over. How better to complete the system than with speakers that matched my sub. I was really excited when they arrived. The size seemed small until I picked one up and felt the weight. Hefty speakers meant no rattle. Now I needed to see that for myself. I hooked them all up and the sound that came out was music to my ears. Clear crisp sound in all ranges from high to low. Great audio at night when I need to keep the sound down. I just wish I'd bought a Polk 5.1 system to begin with. Better late than never.
Pros:
Small size so they can fit anywhere. Pro quality post connections and keyhole slots with threaded inserts for both mounting options.
1 out of 1 people found this helpful
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5 out of 5

Great system for the price

Written By Aeroheadcww, Corbin, Ky on Wednesday, August 31, 2011
 
This system has incredibly clear and clean sound! I run them with a Yamaha RX-V371 reciever and a Polk PSW404 sub. The clarity that I get from this combination is truely incredible. They don't have much of a low end but I knew that when I bought them and the sub makes it up very well. If you absolutely need more bass from your satellite speakers there are two higher levels in this product line that have larger elements and better porting but they are $100 and $200 more than these. Volume levels exceed my comfort level without distortion. For music they are decent but cannot match the volume of my old bookshelf speakers, but I didn't expect them to. The PSW404 is way more than I need to match these, I keep it at 1/3 volume, you could use a much smaller sub. For home theater, I highly recommend these, especially if you are looking for value. If money is not important, I would spring for the TL250 or TL350 since they are a bit bigger. BTW, 5 year warranty and legendary Polk service come with these.
4 out of 4 people found this helpful
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3 out of 5

Polk Audio Blackstone™ TL150

Written By Andy, Cochran, Ga on Wednesday, May 11, 2011
 
Bought the tl150s they sound good but they are not as powerful as the klipsch quintets didn't buy the quintets because they were $100 more dollars at the time kind of regretting it now
9 out of 10 people found this helpful
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1 question already asked

Other than the center channel...can the remaining speakers be connected anywhere on my 5 :1 Onkyo receiver? [ John H.  Dec 27, 2013 ]
2 answers
  • NO you should follow your A/V receivers directions for maxium benefits [ PAUL   Dec 31, 2013 ]
  • yes you can connect it, however placing them in the right location will help make the experience even better. [ INDIRA   Dec 28, 2013 ]

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For a more in-depth review and enhanced detailed information on the Polk Audio Blackstone™ TL150, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_107TL150/Polk-Audio-Blackstone-TL150.html ).

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Compare with other Polk Audio models

  • Polk Audio Blackstone™ TL250
  • Larger drivers for more nuanced sound
  • 5 out of 5: In Stock
  • The Polk Audio Blackstone™ TL250
    • has speakers with 3/4" silk dome tweeters and 3-1/4" midranges for more realistic sound
    • uses Polk's PowerPort® technology for better bass response
    • has steel-plate reinforced cabinets to fight internal resonances
  • Add To Cart
    $499.99
  • Polk Audio Blackstone™ TL150
  • 5-piece home theater speaker system
  • 4.5 out of 5: In Stock
    • The Polk Audio Blackstone™ TL150 offers:
      • includes four compact satellite speakers and a matching center channel speaker
      • system frequency response 125-20,000 Hz
      • Time Lens technology aligns the drivers for better soundstaging and imaging
  • Add To Cart
    $299.99
  • Polk Audio Blackstone™ TL350
  • Get full-sized speaker performance
  • 5 out of 5: In Stock
  • The Polk Audio Blackstone™ TL350
    • uses the same 3/4" ring radiator tweeter as Polk's flagship speakers
    • packs an aerated polypropylene mid for louder sound with less distortion
    • has gold-plated 5-way binging posts
  • Add To Cart
    $749.99
  • Polk Audio Blackstone™ TL250
  • 5-piece home theater speaker system
  • 5 out of 5: In Stock
    • The Polk Audio Blackstone™ TL250 offers:
      • includes four compact satellite speakers and a center channel speaker
      • system frequency response 125-20,000 Hz
      • Time Lens technology aligns the drivers for better soundstaging and imaging
  • Add To Cart
    $499.99
  • Polk Audio Blackstone™ TL350
  • home theater speaker system
  • 5 out of 5: In Stock
    • The Polk Audio Blackstone™ TL350 offers:
      • includes four compact satellite speakers and a center channel speaker
      • system frequency response 115-28,000 Hz
      • Ring Radiator tweeters and Time Lens technology for more realistic sound
  • Add To Cart
    $749.99
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