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Polk Audio RTi A9

Floor-standing speaker (Cherry)

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  • Polk Audio RTi A9

    Grille off

  • Polk Audio RTi A9

    Cherry - Grille on

 

Our take on the Polk Audio RTi A9

by Loren Barstow
Polk Audio

Floor-standing speakers — still standing tall

Sure, floor-standing tower speakers buck the industry trend toward smaller, visually inconspicuous speakers, but they're hard to beat if great sound is your primary goal. Tower speakers produce powerful sound with excellent bass, making them a great choice for serious music lovers and for folks who want high-impact home theater.

Audiophile-quality sound from a great-looking tower speaker

Meet the flagship speaker in Polk's newly redesigned RTi Series. The RTi A9 floor-standing tower speaker combines a handsome, real wood veneer finish with the kind of performance that pleases even critical listeners.

Grille off shot

A high-tech approach to accurate sound

Cross-section

An inside view of this speaker's careful driver design.

This speaker's carefully designed drivers undergo laser testing to help identify and eliminate resonance points, ensuring smooth, accurate response. Its asymmetric cabinet helps it deliver rich, clear sound by combating vibration and increasing rigidity. The A9 also includes Polk's exclusive PowerPort® technology that reduces noisy air turbulence and increases low-frequency output. You'll enjoy clear highs, rich bass, and open, natural-sounding midrange.


Additional high-end features

Two sets of gold-plated five-way binding posts let you biamp or biwire the RTi A9 for the best possible sound. An anti-diffraction grille helps it deliver a large, three-dimensional soundstage with pinpoint-accurate stereo imaging. Adjustable spikes provide stability on both carpeted and hardwood floors.

Recommended center channel speaker: Polk CSi A6.
Recommended surround speakers: Polk RTi A3 or FXi A6.

cabinet

The asymmetric cabinet fights vibration for clearer sound.

Got wire?

Most speakers don't include any. Learn about choosing and installing speaker wire at the Crutchfield Learning Center.
Shop our selection of speaker wire.

Highlights:

  • video-shielded
  • bass-reflex (ported) design
  • frequency response 30-26,000 Hz (-3dB)
  • handles 50-500 watts
  • 1" Dynamic Balance® silk/polymer tweeter
  • two 5-1/4" Dynamic Balance polymer composite midrange drivers
  • three 7" Dynamic Balance polymer composite woofers
  • PowerPort Plus technology improves bass response without introducing distortion
  • 8-ohm impedance
  • sensitivity 90 dB
  • dual 5-way binding post terminals
  • real wood veneer finish
  • 10-11/16"W x 48-1/16"H x 21-1/2"D
  • warranty: 5 years
  • Our 60-day money-back guarantee
Priced each
     

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

    Features and Specs
    General
    Enclosure
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    Bass Reflex
    Finish
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    Real wood veneer
    Color
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    Cherry
    Tweeter
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    Dome
    Tweeter Size (inches)
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    1
    Midrange Size (inches)
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    5.25
    Woofer Size (inches)
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    7
    Woofer Composition
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    Polymer composite
    Woofer Surround
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    Butyl Rubber
    Built-in Powered Sub
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    No
    Video-Shielded
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    Yes
    Connector Type
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    5-way post
    Bi-amp Inputs
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    Yes
    Parts Warranty
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    5 Years
    Labor Warranty
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    5 Years
    Specifications
    Power Range
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    50-500
    Frequency Response
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    30-26k Hz
    Sensitivity
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    90 dB
    Impedance (Ohms)
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    8
    Amplifier Power
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    ---
    Height (inches)
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    48-1/16
    Width (inches)
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    10-11/16
    Depth (inches)
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    21-1/2
    Weight
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    75 lbs
    Product Research
    What's in the box?

    Download owner's manual

    • Cherry floor-standing speaker
    • Detachable black cloth grille
    • 4 Screw-on spike feet
    • Owner's Manual
    • Online registration sheet
    • Polk Audio product 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.

    Driver Technology
    Enclosure Design
    Connections
    Mounting Options
    Dimensions

    Driver Technology

    Dynamic Balance: 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.

    Polymer Composite Woofers: The speaker features three 7" polymer composite woofers. Three 7" woofers have the surface area of a single large woofer with the low mass and acceleration of small woofers, resulting in tighter, more accurate bass response. Each woofer uses a butyl rubber surround.

    Polymer Composite Midranges: The speaker has two 5-1/4" polymer composite midranges for smooth wide-range response with low distortion. For high performance durability, each midrange uses a butyl rubber surround.

    Silk/Polymer Tweeter: The speaker has a single 1" silk/polymer dome tweeter that provides clear, detailed highs. The tweeter features mylar bypass capacitors in the crossovers to extend high frequency response and improve detail and transparency. The tweeter also features low viscosity ferro-fluid cooling with a heat sink on the Neodymium magnet for superior heat dissipation, power handling and reliability.

    Magnetically Shielded: The speakers are magnetically shielded, allowing you to place them near your television without distorting the picture.

    Enclosure Design

    Damped Asymmetric Hex Laminate (DAHLI) Cabinet Design: All-MDF construction with massive asymmetric cabinet bracing ensures a resonance-free enclosure for accurate sound. The asymmetric design is made from a 6-layer laminate with 5 viscous layers to create the optimal shear damping (OSD) system. The elegant styling aside, curved cabinets not only result in a stronger, more rigid and acoustically inert enclosure, but the curved walls also produce less audible coloration from panel resonances.

    Power Port Venting System: The speaker has a rear-firing Power Port venting system built into its back plate for precise deep bass response from the floor-standing speaker's three 7" polymer composite woofers. This venting system allows air velocity to slow gradually, vastly reducing air turbulence, and delivering greater bass efficiency than conventional ports.

    Note: The two 5-1/4" midrange drivers feature a sealed cabinet.

    Anti-Diffraction Grilles: The floating anti-diffraction grilles minimize grille diffraction for spacious, 3-dimensional imaging.

    Connections

    Dual 5-Way Binding Posts: The speaker 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.

    Mounting Options

    Adjustable Leveling Spike Feet: The adjustable leveling spike feet that can be screwed onto the bottom of the speaker's attached base provide stability on any type of flooring. The spike feet adds approximately 0.875" to the speaker's overall height when screwed all the way in.

    Specifications & Dimensions

    Frequency Response: The overall frequency response is 18Hz-27kHz and the -3dB frequency response is 30-26kHz.

    Width: The main body of the speaker is 8.6875" wide but the speakers attached feet extend beyond each side of the speaker, giving the speaker and overall width of 10.6875".

     

    Product reviews from the Crutchfield Labs (what are the Labs?)

    Quick impressions from the Lab

    Comment by James IT Programmer/Analyst 2,

    Almost Perfect

    Written by James, IT Programmer/Analyst 2, on 6/26/2012 10:18:00 AM

    Let me start by saying I love these loudspeakers, they sound GREAT! I've used the Polk RTi A9's as my main left and right for about a year, and after a short break-in period they really came out. Music sounds fantastic. The sound stage sets the musicians realistically. They're very clear and concise, I've heard more detail from my CDs than ever before.

    I use my A9's mostly for home theater and they shine with matched speakers. Mine are set up with the voice-matched CSI A6 center and FXI A6 surrounds. The effects seamlessly envelope me. I like my movie sound loud and detailed, so I'm in it. These do that job superbly. Did I say I loved these speakers yet?

    As many customer reviews have also stated, the A9's need power. A lot of power. They still sounded good when I drove them off of a 7.1 Onkyo receiver at 110 watts, but the lows suffered some. When I bi-amped them the lows came out and really started to hit. I think these speakers would gain even more from more power and a separate powerful amp (they can take 500 watts!).

    The cabinets are very nice and the cherry color blends in well in my living room. These speakers are big, they do have a dominating presence which I love but, unfortunately, my wife doesn't. They are also very heavy, so moving them around is kind of a pain, but it's a good sign of the quality of their build.

    Positives: Clear, detailed, loud.

    Not So Positives: Wife appreciation factor, need a whole lot of power to make them really shine.

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    Polk Audio RTi A9 Reviews

    Average Customer Review:

    33 people say:

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    5 out of 5

    WOW! RTi-9

    Written By MRI3T, USA/Maryland on Thursday, April 10, 2014
    Crutchfield Customer Review (What's this?)
     
    Unbelievable sound, cabinet quality! These things are like a piece of art to look at!! Unlike me to spend this kind of money on a set of speakers, but I'm very satisfied that I did! Wish I were driving it with an amp with a little more punch (these babies can handle 500w continuous) I have them paired with a PA sub-woofer and it adds a great sound for movies as well. Separately these RTi9's are great, low-end thru high-end! I've never owned high quality speakers b4 & I would definitely recommend these! I also bought these, 1 as an open box, & the other as damaged, neither of them had any visually impairing prob. for me! The grill was messed up on the one, but I prefer them w/o the grill!
    Pros:
    Everything about them! Probably be the last pair I ever have to buy!
    Cons:
    Can't find anything yet... They seem to get better with time!
    Was this review helpful?    Yes | No
     
    5 out of 5

    These speakers ROCK!

    Written By Brewmonkey, San Antonio, TX on Friday, April 04, 2014
    Crutchfield Customer Review (What's this?)
     
    I replaced a pair of Cerwin Vega CLS-215's with these. I was a bit worried when I ordered the A9's, that they wouldn't produce the type of bass I'm used to with the Vega's. These speakers produce PLENTY of tight, thumping bass! I listen to just about everything except country music, and I've put these speakers through a wide variety of music, and they are just awesome all around. Crystal clear, and very detailed they are. I use them for music only, and they are powered by a 500 wpc amp. They don't seem to be anymore power hungry than the Vega's were, so I would say as long as you have decent gear I think you will be fine powering these with a receiver rated 100-125 (true) RMS, and not the crappy peak ratings some companies use. Anyhow if you are considering these for music, have no fear, buy them!
    Pros:
    Very detailed, not bright or muddy at all. Plenty of bass when you want it. Very appealing, and in no way an eyesore.(Cherry finish)
    Cons:
    None. Some people list heavy as a con, but to me this is a pro.
    Was this review helpful?    Yes | No
     
    5 out of 5

    2.1 setup

    Written By VitaliyG, hampstead, MD on Sunday, March 09, 2014
    Crutchfield Customer Review (What's this?)
     
    Let me first begin by letting you know my setup. I have a 2.1 setup with a Marantz 7701 Preamplifier and an Emotiva XPA-2 power amplifier. This amp is a beast and the clean power at 300 watts per channel is really opening these speakers up. I have not tried these speakers with only a receiver, but from other peoples reviews it seems that having an additional power amplifier gives you the true capabilities of these speakers. I am using a Polk audio DSW pro 440wi subwoofer. This 8" sub has plenty of power and works great in my living room. I am using good quality wires for all my connections as well. the sub cable is a Sub-X Auioquest, I am using King Cobra XLR cables to connect my Marantz 7701 preamp to the Emotiva XPA-2. And finally I got Audioquest Rocket 44 speaker wire that I am running from the Amplifier to speakers.
    Pros:
    Good looking and clean crisp sound
    Cons:
    None so far
    Was this review helpful?    Yes | No
     
    5 out of 5

    Love These Speakers

    Written By Wes, Durham, NC on Thursday, March 06, 2014
    Crutchfield Customer Review (What's this?)
     
    These are great speakers at their price point. I'm driving them with a Marantz SR7008 Receiver and using them as left and right front speakers in a 9.2 surround setup. I've set the system up to handle high-res audio files. These speakers are the anchor for the system (also using the Polk subwoofer Pro 660wi.) I could have spent more and gotten more but I am completely satisfied with the outcome with these speakers.
    Pros:
    There just so darn classy looking! ...as well as being great speakers. Crystal clear highs and lows.
    Cons:
    None
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    4 out of 5

    Polk rti-a9

    Written By Jim b., Erie,pa. on Friday, December 27, 2013
    Crutchfield Customer Review (What's this?)
     
    Pollks are now 1 year old and sound so much better now after many tweaks. I started with nad 375 bee intergrated amp then bought another as I felt I wasn't pushing enough power to really hear them let alone feel them. Power was at 330 watts/channel, then added 2 Polk dsw 660 subs,the towers really do sound better with these subs, maybe a little overkill but I can adjust pretty easy with the subs volume and room optimizer. The speakers are a tad forward(midranges) but really excell on keyboards,voices, horns. I made a couple a changes at the speaker wire and clear day double shotguns(silver wire) with jumpers,made all the difference! The sound is super clear, no boom, sound stage very wide, this what I thought the polks would do with tweaks. If u have the time and money this was well worth the upgrade. These speakers have transformed so much, funny,I almost sent them back, but let them break in, then start tweaking interconnects and speakers wire as I think that a major part of what you may discover how those changes really do make all difference. I just recently changed to a emotiva xpr-2 amp(omg!!) Now this is getting serious, I LOVE MY POLKS!!!
    2 out of 3 people found this helpful
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    5 out of 5

    Awesome Speakers!!!!!!!!!!!!!!!!!

    Written By Paul, Woodbridge, Va. on Sunday, November 24, 2013
    Crutchfield Customer Review (What's this?)
     
    I couldn't be happier with the purchase of these RTi A9's! I am hearing music in a brand new way. I can't believe the sound that comes out of these speakers! I'm hearing nuances in music I've been listening to for years out of an older pair of Bose 301's that I never knew were there thanks to these new RTi's! I love Pink Floyd, but OMG! it's like listening for the first time! I was a little nervous about spending that kind of money on 2 speakers, but I'm so glad I did it.
    Pros:
    Bi-ampable, fidelity is incredible, beautiful black finish, tall and relatively thin so they fit easier in tight areas, MADE IN USA!
    Cons:
    At 80lbs. each, you will need help to unbox and position them. This isn't really a "con" because I believe you would have the same trouble with any speaker in this category.....
    2 out of 2 people found this helpful
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    5 out of 5

    Fantastic

    Written By Anonymous, minneapolis, Mn on Friday, November 15, 2013
    Crutchfield Customer Review (What's this?)
     
    Love these towers. Deep rich bass ans tighr crystal clear mids and highs. And nice appearance. Highly recomend
    Pros:
    Tons
    Cons:
    Not free. All I can come up with!
    Was this review helpful?    Yes | No
     
    5 out of 5

    Love Polk

    Written By EddieLee24, Cary, NC on Monday, August 19, 2013
    Crutchfield Customer Review (What's this?)
     
    I replaced my 15 year old Polk RTi1000s with the RTiA9s. The performance of previous Polks made with stick with them so I went for a higher line for the house we're building. Love the quality, the look, and the sound.
    Pros:
    Beautiful, great sound
    Cons:
    Depth
    Was this review helpful?    Yes | No
     
    5 out of 5

    Polk Rocks

    Written By Rob C, Chicago ridge ill on Tuesday, July 30, 2013
     
    I have had these for about 2 years now. They are powerd by an Emotiva Xpa-5. I plan to purchase the xpr2 600 watts/ch. I have heard many systems and this one for the price equals them. The speakers absolutely kick a££ I do have a 1000 watt sub to add to the excitement. But really for the price of these speakers you can't go wrong.
    Pros:
    Price looks build quality sound crutchfield carries them
    Cons:
    None other then they are hard to move, but I think that's a small price to pay for such an awesome speaker
    1 out of 1 people found this helpful
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    4 out of 5

    Polk Audio RTi-A9

    Written By Music Lover, Ijamsville, MD on Friday, March 22, 2013
    Crutchfield Customer Review (What's this?)
     
    I got these speakers two weeks ago and still breaking them in. They are heavy build and beautiful wood finish look like fine pieces of furniture. Sound was excellent but seem to be under power even though my receiver is a Yamaha RX-A2020 delivers 140 watt per channel and I have them bi-amp connection. I listen to them in low volume level in early morning or late at nigh and they sounds clear and warm, I though the bass was week but since I only use them to listen to music I am not in a hurry for a subwoofer. I read other people threats saying these speaker needs more power to sound at their best so I am in the process of looking for appropriate speaker preamp. I probably keep these speakers for a very long time.
    Pros:
    Sounds Great ! solid build look beautiful
    Cons:
    Need a lot of power
    4 out of 14 people found this helpful
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    5 out of 5

    excellent speakers

    Written By Ernie, New York city on Tuesday, March 05, 2013
    Crutchfield Customer Review (What's this?)
     
    I bought two of these speakers about a year ago. Buy them. They have taken all I've given them....beautifully. I also bought a subwoofer, which I have found to be necessary with these speakers. The sound quality and power handling are more than adequate for any house. I moved my A9s to my weekend home, and recently purchased the A7s for my apartment.....more than adequate.....dont forget: get a subwoofer!
    1 out of 2 people found this helpful
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    5 out of 5

    Polk RTi A9 (black)

    Written By Chris B, Burbank, CA on Tuesday, January 15, 2013
    Crutchfield Customer Review (What's this?)
     
    These are my first home theater speakers, and they are very nice sounding. First thing I said when I opened the box was "wow" due to their size. I've heard complaints about them being to "bright" for music, although I don't have anything to compare them to they sound fine to me. I'm driving them with a Yamaha RX-A3020, once I get the surrounds installed, I will probably be upgrading to an external amp for these beasts.
    2 out of 2 people found this helpful
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    5 out of 5

    RTi A9

    Written By Adam, Randallstown, MD on Monday, January 14, 2013
    Crutchfield Customer Review (What's this?)
     
    Awsome
    Pros:
    Sounds great
    Cons:
    None
    2 out of 4 people found this helpful
    Was this review helpful?    Yes | No
     
    5 out of 5

    Polk Audio RTi A9

    Written By Anonymous, South Carolina on Sunday, August 05, 2012
    Crutchfield Customer Review (What's this?)
     
    Spectacular speakers. I bought these scratch and dent from Crutchfield and the damage was cosmetic and minimal. Definitely worth the savings. Sound is excellent. Nice balance from deep lows to high highs, as well as at a range of volumes. The more I listen, the more I like them. I'm using the small powered Polk sub with them, since it was free from Crutchfield, but it's really not necessary. My 110 watt receiver seems to be fine with them, but I'd be curious to try something bigger since many reviewers seem to recommend more power. However, I've never heard them distort all the way up to uncomfortable volumes. Enjoying them for both music in stereo and 5.1 movies with other Polk speakers. Very happy with this purchase, especially having never heard them before buying.
    9 out of 9 people found this helpful
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    5 out of 5

    Polk RTi 9

    Written By MWG, Texarkana, Tx. on Wednesday, June 20, 2012
    Crutchfield Customer Review (What's this?)
     
    Over all, a very good speaker, however, with 3 woofers, I find that it is weak in the bass area. I would recommend them however.
    5 out of 10 people found this helpful
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    5 out of 5

    A beautiful speaker (cherry) and sound great too.

    Written By blkyankee, Sabetha, Ks. on Thursday, May 24, 2012
    Crutchfield Customer Review (What's this?)
     
    I have had these speakers almost a month now and all I can say is wow!!! I was in the middle of finishing my HT when I traded horses mid-stream. I had and still do have, klipsch rf-82's when I decided to go with the Rti a9. They both are great speakers, but, I looked at the surrounds and wanted to go in the direction of the polks over klipsch. The polks sound is alot warmer to me, and they blow away the klipschs in the looks department. Very happy with my Rti a9's. Crutchfield was very easy and nice to order from. Great service.
    Pros:
    A great big beautiful looking and sounding speaker.
    Cons:
    None.
    7 out of 7 people found this helpful
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    5 out of 5

    Great Speakers

    Written By Netman8762, Hollidaysburg, Pa on Friday, May 04, 2012
    Crutchfield Customer Review (What's this?)
     
    Great speakers! Very firm and true sounding. You do need to have some power to get the most out of them I am running an Onkyo TX-NR1009 with an M-282, the Receiver does the Low end and the 282 does the highs. It sound very nice but I still feel that it could stand more power. The range on these is really nice, I have spent some time listening to vinyl and am very pleased with the results. I should also note that these speakers are BIG! You need to have some room to move these around.. Very pleased and will keep for a while..
    Pros:
    Great sound, true feeling. Look impressive, great sound. Great lows and strong mids. The highs seem very natural to me
    Cons:
    Huge, heavy and hard to move around..
    8 out of 10 people found this helpful
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    5 out of 5

    Stop wasting your time and buy these...

    Written By Travis, Houston, TX on Sunday, July 24, 2011
     
    A very musical speaker; could possibly be the last tower speakers you'll ever buy. The sound is very neutral and consistent from top to bottom. The bass is accurate and natural, but has the ability to take charge for more demanding audio tracks, and can go down to 20 hz quite comfortably. The Cherry Finish is beautiful and will blend well with other shades of wood. For the quality of product, the price is very reasonable. Also, they will sound very bright if under-powered. Moving them around can be awkward because of the shape and size of the cabinets, so save yourself the trouble and get someone to help you move them...use gloves. The RTi A9's are very capable speakers; however you should give just as much consideration to your other equipment. NO commercially-available receiver will do these towers justice because they have so many drivers. I originally bi-amped them with a TX-NR906 (~290 watts/channel.one of the most powerful ones out there), and while the sound was decent, it was obvious that my receiver could not fully control the entire range of the speaker in addition to the demands of the other speakers in my HT system. I highly recommend that you use quality amplifiers (such as XPA-1's) if you desire to use the RTi A9's as they were meant to be used.
    51 out of 51 people found this helpful
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    4 out of 5

    Clear and Even Sound but Bass Needs Help

    Written By Dono from Ohio, West Chester, OH on Friday, June 17, 2011
    Crutchfield Customer Review (What's this?)
     
    These are really well made and high-quality speakers, and I like them. They seem to require significant power to maximize the bass and probably should be bi-amped. Their forte is mid-range and smooth high-end but not bass. I will have to connect my powered sub to augment the deficiency. This is pretty much par for the course for Polk. Recommended, but get a sub to be completely happy.
    13 out of 19 people found this helpful
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    5 out of 5

    Jawdropping !

    Written By Gene F, Binghamton, NY on Friday, May 20, 2011
    Crutchfield Customer Review (What's this?)
     
    I got these bad boys because I like to play my music LOUD and let me tell you. My whole music collection sounds new again. I cranked up Joe Bonamassa when I hooked these up and my dear Lord !! I replaced 4 McIntosh ML-1C speakers I had since the 80's and was sad to see them go, but my expectations were more than met. They just come alive when you put the power to them. I have 2 NAD amps bridged to put out two mono sources of 300 watts and man alive, my friends sat there in utter disbelief. You aren't going to get the potential out of these if you have some wussy little receiver driving these. The crispness and spacial sound stage these things produce are stunning. If you got the space and the place, buy them now. You won't be sorry. Thanks Crutchfield, for a very pleasant experience.
    16 out of 18 people found this helpful
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    5 out of 5

    POLKS ROCK!!!

    Written By Gary, Ohio on Saturday, March 26, 2011
    Crutchfield Customer Review (What's this?)
     
    Absolutely amazing!!! Cherry finish is spectacular. Speakers are huge and very impressive even without any sound coming from them. Crutchfield delivered on time and without any issues. I had these for a week now and am still breaking them in. I purchased these exclusively for 2 channel stereo, but since I have a polk surround system, I am breaking them in on that and they blend seamlessly. I couldn't resist putting a few cd's in my bluray palyer to hear some 2 channel stereo and I am absolutely blown away with the range of sound, I hear so much more off familiar cd's than I have ever before. I turned the tv on a jazz listening station (im a rock guy) an oh my goodness, they are awesome. the highs are there, the lows are there, and everything in between is there. I have been using these in surround mode with my sub turned off, so I can check the bass on these babies and its definately there, of course for movies you need a sub, but for music, I dont think I will. I haven't cranked these puppies up yet to some heavy Metallica yet, at least not loud, but I can already tell they have what it takes. Im so glad I went with Polks flagship model. Thank you Crutchfield, and thank all of you who post reviews to make this purchase much easier. I love my Polks.
    15 out of 17 people found this helpful
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    5 out of 5

    RTi A9s Rock House!

    Written By Tom K., Mission Viejo, CA on Sunday, March 20, 2011
    Crutchfield Customer Review (What's this?)
     
    I never liked watching BR movies on my Sony LCD with the dinky sound. Some great floor standing speakers were in order. After a lot of research, I decided to take the plunge on a pair of speakers that would do justice to the home theater setup. The RTi A9's do the job extremely well and the double set of wire ports in the back tells you these were built for bi-amping (http://community.crutchfield.com/blogs/av_tips/archive/2008/04/23/are-you-sitting-on-a-wealth-of-untapped-power.aspx). It's something you should take full advantage of along with a good receiver to handle all that power.

    All you have to do now is put in "Apocalypse Now" on BR, cue up to the "Ride of the Valkyries" helicopter scene and experience nirvana. :)
    9 out of 12 people found this helpful
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    5 out of 5

    YEH BABY!

    Written By DAN.T, CHANNAHON IL on Sunday, March 13, 2011
    Crutchfield Customer Review (What's this?)
     
    GREAT SPEAKERS, BUT MUST HAVE A POWERFUL AMP ,PRE AMP TO REALLY APPRECATE, I KNOW I HAVE A DENON 2311 REC., THAT I AM HAPPY WITH, FOR HOME THEATER,BUT NOT FOR THESE BABY'S. I BOUGHT A EMOTIVA XPA-2 AMP AND EMOTIVA UPA-1 PRE AMP PUSHING OUT 300W PER CH,AND WHAT A DIFFERENCE A LITTLE POWER MAKES,ADD A 660 POLK SUB AND YOU WILL BE THUNDER STRUCK! , BUT BE CAREFULL BECAUSE YOU CAN AND WILL BLOW THESE SPEAKERS WITH THAT AMP ,I DID AND CRUTCHFIELD REPLACED THEM , YOU CAN'T BEAT CRUTCHFIELD CUST. SERVICE. PLEASE DON'T MISUNDERSTAND ME THE POLKS AND EMOTIVA ARE GREAT PRODUCTS ,I JUST GOT CARRY AWAY AND PLAY THEM AT 3/4 VOL FOR TO LONG, WHICH I KNOW NOW YOU CAN'T DO, 1/2 IS PLENTY LOUD. YEH BABY
    13 out of 22 people found this helpful
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    5 out of 5

    Do you want to bring more life into your music?

    Written By MarkF, Crossville, TN on Wednesday, January 19, 2011
     
    I've recently bought the Marantz SR7005 receiver to push these. I've bi-amped 125 Watts into these speakers, running a total of 500 watts. I've gotta tell you, words cannot describe the sound quality that is produced. I'm hearing stuff that I've never heard in my music. They are built very solid and aesthetically gorgeous. There is now way you can get this quality of sound out of compact speakers. These might seem pricey, but like most everything in life, you get what you pay for. Be sure to at least push these with some power. Highly Recommended.
    15 out of 17 people found this helpful
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    5 out of 5

    Big Speakers Rock!

    Written By Bob, Montgomery, Al on Monday, December 20, 2010
    Crutchfield Customer Review (What's this?)
     
    I did a lot of web research on these speakers due to the price. Almost all reviews were excellent. After having mine for several weeks I totally agree. I upgraded from my Def Tech's BP-8's. The A9's are awesome speakers and fill the room with music. What I like most about these is how good they sound at low volume. I'm mostly a two channel music guy and my cd and lp collection has never sounded better. I also got a sub but these have plenty of bass. I'm using a Yamaha RS-700 100 watt receiver and the pairing is great. They are big 70lbs each and require special shipping but Crutchfield called me within 2 minutes to fill me in on details. Great service and great speakers. Sound great with rock, jazz. blues.
    14 out of 15 people found this helpful
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    5 out of 5

    Great Speakers! Excellent Service!

    Written By Mike, West TN. on Wednesday, August 05, 2009
    Crutchfield Customer Review (What's this?)
     
    Ordered 2 of these from the scratch and dent outlet. One was near perfect and the other was damaged in shipping. One call and the damaged speaker was picked up and the replacement exceeded my expectations. If you look up customer service in the dictionary, the definition should read CRUTCHFIELD! Oh yeah, these polks rock, excellent bass, detailed midrange, and clear smooth highs. Could not be more pleased with my purchase.

    10 out of 10 people found this helpful
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    5 out of 5

    Polk RTi A9

    Written By Christopher, Chicagoland, Il on Tuesday, May 12, 2009
     
    I replaced an older Bose system with the A9's.

    I took Crutchfields recommendation on these speakers, while the price was a bit daunting I really wanted better sound out of music and movies. I REALLY got it!

    My receiver is the Denon AVR-3808CI.

    Movies and especially music have really come to life out of these speakers. My cd collection has never had the workout it is getting since I installed the A9's. There is an extra dimension to everything that comes out of the speakers that was NOT there before. All of the sound is clear and crisp. Highs are high but not ice pick high. Mid's are.......beautiful and the lows are bassy but not muddy.

    The cabinets are a thing of beauty. They certainly added to the decor of my family room.

    They are pricey but worth it in my opinion. If you are in the market for a set of forever speakers and have the extra $, these may just be the ones for you. They certainly are for me.
    25 out of 26 people found this helpful
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    5 out of 5

    Polk Rti9

    Written By Noel, Matthews. NC on Saturday, November 15, 2008
    Crutchfield Customer Review (What's this?)
     
    Loved these speakers. I bought two scratch and dent and they are perfect.

    My amp pushes out 300w so these are perfect as front speakers. By far the best looking without the front grill and the sound is near perfect.

    Delivery and Cruthfield were great. I even bought another for a back speaker and am saving for another. Thanks
    7 out of 7 people found this helpful
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    5 out of 5

    Polk Audio RTi A9

    Written By Sherrill, San Marcos, Texas on Thursday, October 23, 2008
    Crutchfield Customer Review (What's this?)
     
    I have had these speakers for about 2 months now and I am very pleased. Mids and highs are crystal clear even at extreme volume levels. Bass response is great at all but the highest of volume levels. I have'em Bi-amped with an Onkyo 805 which puts out 260 watts to each speaker. They truely a joy to listen to and I have to fight to keep from cranking the volume up constantly....even at 5 in the morining...with housemates. Money well spent.
    10 out of 10 people found this helpful
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    5 out of 5

    Outstanding!

    Written By m58villa, Tinley Park, IL on Sunday, October 05, 2008
     
    I couldn't be more happy with my purchase. I have these speakers connected to my aged, but ever powerful, 500 watt power amp along with a matching tuner and pre-amp. These speakers are well balanced, warm and the cabinet is something out of Fine Woodworking. Imaging couldn't be more distinct and let me tell you, they will take all that my amp can deliver without a speck of distortion. You will love these speakers as I do! Thank you Polk!
    16 out of 17 people found this helpful
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    5 out of 5

    speaker madness

    Written By bruce, sandusky ohio on Tuesday, September 02, 2008
    Crutchfield Customer Review (What's this?)
     
    well looking for speakers is a hard thing to do ,without especially listening to them, so after a long and thorough search, i deciced on the rtia9 in cherry finish. and it was an excellent choice, they should be treated as furniture because they are beautiful, and the sound is very supreme, hooked up through an onkyo amp,they just blow away my old infinity speakers, now my neighbors really adore me!!!!!
    10 out of 11 people found this helpful
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    5 out of 5

    Excellent!!!

    Written By RAYHAN, New York on Thursday, July 31, 2008
    Crutchfield Customer Review (What's this?)
     
    This is a excellent Speakers,much much better than its predecessor RTI12 along with others non Polk branded Speakers with much higher price range ,Bass is very tight and hit realy low,u can actually feel the punch even in very low volume. Vol. is set to -50....it sounded great....Its high,Mid and low all sounded with great details and imaging..............................
    Also Speakers by himself looks beautifull and it realy worth the money I paid for.
    14 out of 17 people found this helpful
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    5 out of 5

    Prime Time Towers

    Written By jmarch, Chattanooga, TN on Sunday, February 10, 2008
     
    This will be the first review of these beauties, Polks web site has 3 reviews otherwise this is it, I googled everywhere couldn't find anyone with a review.



    Anyway...I bought these by the picture and info here never heard them before, but I had a good idea this was a good choice, I have Polk momo car speakers in ALL 4 of my cars and bang for the buck NOTHING matches the preformance of Polk.



    These monsters are heavy and extremely well built, 4 feet tall, the cabinets taper slightly, towards the back. I almost needed a dolly to move these around, I couldn't get my arms around them, unbelievable mass and build quality.



    Stunning to look at, hard to take my eyes off of them, I have yet to put the grills on (doubt I ever will) they are beauiful and tastefully crafted and would blend into any upscale home decore they just scream power and preformance. I have the black / silver accent model.



    Onkyo TX-SR875 140 Watts a channel is driving these babies every octive, highs,mids,bass preforms flawlessly. Understand speakers of this caliber take a few weeks to break in same as Polks car speakers. Other than the Odessay calibration of the Onkyo I have added 2db to the base for tweaking the lows the tweaters are very brilliant and clean no adjustment needed overall performance is stunning. Your home or ears cannot handle the top end sound and power these speakers can produce. At lower volumes they still sound full, deep, brilliant and powerful.



    You will be hard pressed to find any speaker at this price range and build quality that comes close to these amazing speakers.



    These are a bargain at 749.00 ea that preform at the 2-4K price range. Don't skimp on a receiver a 1,500 set of speakers needs a 1,500 receiver These need good clean power. Would you put cheap tires on a new Corvette?



    The public and magazine critics have yet to catch on to these masterpieces they are so new and undiscovered. I'm loving these speakers, by far the BEST value Crutchfield has in tower speakers. Anyone who chooses these...YOU WILL NOT BE DISAPPOINTED!
    191 out of 216 people found this helpful
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    1 question already asked

    I noticed that the reviewer said the speakers sounded better "bi-amped" do to power needs to drive the speakers. What is a bi-amp, and if I don't use a bi-amp, how big of a receiver will I need to drive these? Thank you. Brad [ brad  Dec 27, 2013 ]
    1 answer

    Add accessories for the Polk Audio RTi A9

    You'll need speaker wire to connect your speakers to your amp or receiver. No wire is included with this speaker. See all categories & accessories

    Original Monster Cable With gold pin connectors (15-foot pair)
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    AudioQuest Type 4 Speaker cables with pre-attached banana connectors (10-foot pair)
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    AudioQuest Rocket 33 Bi-wire speaker cables with pre-attached banana plugs (10-foot pair)
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    AudioQuest X2 Speaker Cable 14-gauge cable, connectors optional (30 feet, Gray)
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    Your Price: $58.99
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    AudioQuest G2 Speaker Cable 16-gauge cable, connectors optional (30 feet, Gray)
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    Monster XPHP™ MKII Speaker cable with clear jacket (100 feet)
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    Monster XP® Speaker cable with clear jacket, connectors optional (100 feet)
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    Your Price: $64.95
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    Monster XP® Navajo White MkII Speaker cable (50 feet)
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    For a more in-depth review and enhanced detailed information on the Polk Audio RTi A9, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_107RTIA9C/Polk-Audio-RTi-A9-Cherry.html ).

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