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Polk Audio Blackstone™ TL250

Compact home theater speaker system

64 Reviews | 4 questions - 9 answers

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Overview

Our take on the Polk Audio Blackstone™ TL250

Make every movie night way more exciting with Polk's TL250 five-speaker system. These speakers use some advanced technologies to create incredibly lifelike sound that draws you into your on-screen entertainment. The four Blackstone satellite speakers and the Blackstone center channel speaker produce effortless sound with startling dynamics, especially given their small size. Just add 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.

Make every movie night way more exciting with Polk's TL250 five-speaker system. These speakers use some advanced technologies to create incredibly lifelike sound that draws you into your on-screen entertainment. The four Blackstone satellite speakers and the Blackstone center channel speaker produce effortless sound with startling dynamics, especially given their small size. Just add 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.

Advanced technology produces effortlessly natural sound
Polk's latest breakthrough is "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. 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 music and movie soundtracks sound larger and more open. They feature Polk's acclaimed PowerPort® technology to help reinforce lower bass output. Plus, each sturdy cabinets are reinforced with steel plates to help fight resonances that can muddy the sound.

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So far they sound great

Anonymous, San Diego, CA

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What's in the Box:

  • 4 Gloss-black satellite two-way loudspeakers
  • Gloss-black center-channel loudspeaker
  • 5 Detachable black cloth grilles (attached)
  • System Diagram/Warranty sheet
  • Template
  • Online Product Registration card
  • Polk Audio Product Brochure

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: 125-20,000 Hz (-3 dB)
  • handles up to 125 watts
  • sensitivity: 89 dB (satellites); 91 dB (center channel)
  • impedance: 8 ohms
  • satellites each contain a 3/4" silk dome tweeter and a 3-1/4" Dynamic Balance™ mid/woofer
  • center channel contains a 3/4" silk dome tweeter and dual 3-1/4" Dynamic Balance™ mid/woofers
  • PowerPort® technology for better bass response
  • steel-plate reinforced cabinets fight internal resonances
  • curved enclosures with high-gloss finish
  • threaded insert for use with optional speaker stands or brackets
  • satellites include keyhole slots for easy wall-mounting
  • satellite speakers: 4-1/8"W x 7-1/16"H x 5"D (each)
  • center channel speaker: 16-5/8"W x 4-1/4"H x 3-13/16"D
  • warranty: 5 years
  • Our 60-day money-back guarantee
Reviews

Polk Audio Blackstone™ TL250 Reviews

Average Customer Review(s):

(64 Reviews)
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Details

Hands-on research

Features and Specs

General
Enclosure Bass Reflex
Video Shielded No
Pieces in System 5
Color Gloss Black
Tweeter Dome
Midrange size (inches) ---
Woofer size (inches) 3-1/4
Woofer Composition Composite
Woofer Surround Rubber
Impedance (Ohms) 8
Connector Type 5-way post
Mounting Bracket Included Keyhole
Recommended Stand Height (inches) 31-36
Parts Warranty 5 Years
Labor Warranty 5 Years
Specifications
RMS Power Range (watts) 10-125
Subwoofer RMS Power (watts) Not Given
Dimensions
Main Speakers (inches) 7-1/16H x 4-1/8W x 5D
Center Speaker (inches) 4-1/4H x 16-5/8W x 3-13/16D
Surround Speakers (inches) 7-1/16H x 4-1/8W x 5D
Subwoofer (inches) No Subwoofer

Product Research

System Overview
Driver Technology
Enclosure Design
Connections
Mounting Options

System Overview

Polk Audio Black Stone TL250 Five Speaker System: The Polk Audio Black Stone TL250 is a 5-speaker surround-sound system. The Polk Audio Black Stone TL250 five-pack includes four matching Black Stone TL2 satellite speakers and a Black Stone TL2 horizontal center-channel speaker. The Polk Audio Black Stone TL series speakers (TL2) feature new innovations specifically designed to enhance compact speaker performance. The Black Stone TL2 series speakers features a two-way loudspeaker design and a bass-reflex enclosure. The TL2 series speakers are equipped with 5-way binding posts and offer various mounting options.

Note: The Black Stone TL250 has an overall system frequency response of 120 to 20,000 Hz and will require a powered subwoofer (107PSW111, sold separately) for full-range sound. You can also add additional TL2 series speakers (107TL2B or 107TL2W) 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 TL2 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" Silk Dome Tweeter: The Polk Audio Black Stone TL2 series speakers utilize a 3/4" silk dome tweeter for crisp, clear imaging, and smooth response that's never tiring.

3-1/4" Composite Injection Molded Woofer: The Polk Audio Black Stone TL2 series speakers employ 3-1/4" composite injected molded 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. Each satellite speaker features one 3-1/4" woofer. The center-channel speaker features two 3-1/4" woofers.

Frequency Response: The system's overall frequency response is 90-24,000Hz, and the -3dB frequency response is 120-20,000Hz.

Enclosure Design

Enclosure Type: The Polk Audio Black Stone TL2 series speakers feature a non-resonant composite enclosure with time-aligned geometry, and PowerPort technology.

Curved Enclosure Design: The Polk Audio Black Stone TL2 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 TL2 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 TL2 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 TL2 series speakers 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 TL2 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 TL2 speakers feature integrated rubber feet so you can sit the speakers on a stand or shelf securely.

Wall Mountable: The Black Stone TL2 satellite speakers and center-channel speaker are wall mountable.

  • Satellite Speakers: The TL2 satellite speakers feature a single keyhole slot on the back of the cabinet for wall-mounting the speakers without any additional wall-mount brackets (mounting screws not supplied). There is also a 1/4"-20 threaded insert on the back of each speaker for mounting the speakers to the wall using an optional articulating bracket (sold separately).
  • Center-Channel Speaker: The TL2 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).

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.

Accessories
Q & A

Customer Q&A

Crutchfield asked  
Why did you buy this?

I wanted to give it a try as my first home theater speakers! And I am happy with my selection. Great sound! [ VICTOR  Feb 05, 2017 ]
Good price. Good product [ Edward  Jan 18, 2017 ]
Polk quality and dollar value. [ Brian  Nov 28, 2016 ]
These speakers don't take up a lot of space but sound great and pick up all the details you've been missing. [ JEFFREY  Mar 02, 2016 ]
Brand name and Crutchfield reputation [ Dale  Feb 06, 2016 ]
I AM EXPECTING RICH AND CLEAR SOUND OUT OF THESE SMALLER SPEAKERS BASED ON THEIR PEDIGREE AS POLK AUDIO. I AM BELIEVING THAT I WILL BE BLOWN AWAY WITH THEIR ACCURACY & CLARITY. [ THOMAS  Dec 18, 2015 ]
Staff guided me to a modest cost increase from TL1600 for significantly better speakers [ James  Dec 06, 2015 ]

4 questions already asked

It has been a few years since my purchase, but I do believe that the mounts that come with the product, are the ones that I used. Excellent product. [ Don  May 19, 2017 ]
No, there are just the speakers and no other hardware. [ GENE  May 19, 2017 ]
The gauge was 14 [ ROY  Dec 14, 2015 ]
I used Monster XPHP Clear Jacket Speaker Cable MKII . [ ROY  Dec 14, 2015 ]
16 gauge works good [ JORGE  Dec 12, 2015 ]
I used 14 gauge because my runs were longer that 30 ft. But also check your stands. If you are running the wire through a pole in the stand make sure it can accept the size of wire you plan to use. [ PATRICK  Dec 13, 2015 ]
In my history of running speaker wire the rule of thumb has always been 12 gauge, especially if you are putting any power behind it. Now the bigger question is are you running wire behind or through walls or just over the floor? They make speaker wire for different kinds of installs. Shopping for wire can be expensive so do a little bit of homework on that matter, do a search on speaker wire and find a place where you can get a couple of hundred feet of wire by the roll for the price that most stores would sell a few feet of wire for. You might be surprised with the savings. [ Doug  Dec 12, 2015 ]
I used "AccessT Series 14AWG CL2 Rated 2-Conductor Speaker Wire" (pure copper stranded) [ WESLEY  Dec 12, 2015 ]
Articles

Looking for more? Check out the next model in this lineup.

Polk Audio Blackstone TL350

Get full-sized speaker performance

The Polk Audio Blackstone™ TL350 offers these features:

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 binding posts