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Polk Audio Monitor XT70 Large Home Tower Speaker (Single, Midnight Black)

Based on 384 reviews
Condition: New
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$349.00

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Availability: Only 4 left in stock, order soon!
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Arrives Tuesday, Nov 3
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At a glance

Condition
New
Style
Large Tower Speaker (XT70)
Model
MXT70
Dimensions
7.5"D x 9.09"W x 36.4"H
Weight
35 lb
Color
Black
Frequency Response
40 KHz
Warranty
5 Years
Works with
Television

Features 4

  • LARGE HIGH-PERFORMANCE TOWER SPEAKERS - Polk Monitor XT70 features a 1" Tweeter, (2) 6.5" Dynamically Balanced Woofers & (2) 8" Passive Radiators; that deliver open mid-range & punchy, responsive bass in an immersive soundstage in movies, TV & music
  • PREMIUM BUILD QUALITY AND MODERN DESIGN - An upgrade to the critically acclaimed Monitor series, the Polk Monitor XT series features latest innovations in affordable, great sounding home audio speakers, & their design blends with any home decor
  • EASY SETUP AND PLACEMENT - The MXT70 floor-standing speaker tower comes with rubber feet designed for both carpet and hardwood floors, providing improved stability and flexible placement. Enjoy room-filling, rich audio from wherever you are sitting
  • CREATE AN AFFORDABLE HOME THEATER - The timbre matched Polk speakers ensure seamless speaker-to-speaker blending. Add a tower pair, MXT20 bookshelf pair, MXT35 center, MXT90 height module & MXT12 sub to create a unified surround system

Description

Immerse yourself in dynamic, high-resolution sound with crystal clear highs and powerful, effortless bass with the Polk MXT70 high-performance, large floor standing stereo speakers. Featuring a Dynamically Balanced acoustic array with a 1” High-Resolution Terylene Tweeter, a 6.5” Polypropylene Woofer, and two 8” Passive radiators, the MXT70 delivers highly detailed, pristine sound to bring your movies to life – no matter where you’re sitting in the room. These home theater speakers are Hi-Res Audio Certified and ensure accurate sound reproduction from even the latest Dolby Atmos and DTS:X surround sound AVRs and amplifiers. The Monitor XT Series is designed with quality, timbre-matched Polk components to enable you to mix and match models and build your dream home theater or music listening environment. Auro 3D compatible, it can be used by audiophiles, homeowners, and home theater enthusiasts. Add the MXT20 surround pair, MXT35 center channel, MXT90 height module, and MXT12 sub for a complete 5.1 surround setup.

Specs 43

Brand Polk Audio
Speaker Maximum Output Power 200 watts
Frequency Response 40 KHz
Connectivity Technology Dolby Atmos
Audio Output Mode Stereo
Mounting Type Floor Standing
Enclosure Material Wood
Speaker Type Tower

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Nov 3

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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View our full returns policy here.

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Top Amazon Reviews


Easy 5 star purchase!
Style: Large Tower Speaker (XT70)
I originally planned to stick with bookshelf speakers, but after going back and forth, I decided to make the jump to the Polk Monitor XT70 towers. Looking back, I'm glad I did. The biggest surprise wasn't that they get loud—it was how much bigger they made everything sound. Movies have a wider, more immersive soundstage, music feels more open, and even everyday TV watching has more depth than I expected. I paired these with a Denon receiver and other Polk Monitor XT speakers, and they've blended together perfectly. They never overpower the rest of the system; they simply make the entire experience feel more complete. I was also pleasantly surprised by the cabinet quality. They have a simple, clean design that looks great in my living room without drawing too much attention to themselves. If you're debating between bookshelf speakers and towers like I was, I'd encourage you to seriously consider the XT70s if you have the space. They add a level of fullness that's hard to appreciate until you hear them in your own home. For me, these turned out to be one of those purchases where I stopped wondering if I made the right choice after the first movie. They've become the foundation of my home theater, and I'd happily buy them again. ... show more
Reviewed in the United States on July 23, 2026 by Jonny Easling

I Like These Speakers
Style: Large Tower Speaker (XT70)
What I can't tell you - I can't compare these speakers to a 2or 3 thousand dollar set of speakers. I have never had speakers that expensive and even much more in my home. I have heard them in a specialty store but not at home. They will sound different in the studio than at home. I do know the higher class speakers have beautifully constructed cabinets, well damped inside and higher quality components. What I can tell you - These speakers do look nice even though they are not made of fine woods and have rounded or beveled edges. In fact I have seen some brands of tower speakers that cost 3 times as much as these speakers and they have the same basic square edge construction on the outside. I think these speaker look impressive for the money. Ok, the grille is not magnetic but it is secure and looks very nice. The connection posts on the back are very nice. They added a nice touch to the base even though it is just cosmetic. Now on to the sound. I have these speakers hooked up to a brand new 80 watts per channel Yamaha amplifier (not receiver), a brand new Cambridge CD player, a brand new Andover Spindeck Max Turntable, and a high resolution streamer. I am using a new Klipsch 10 inch subwoofer all items purchased through Amazon. I am only using this system for stereo music. The highs from these speakers are very crisp and clear. The mid sound is warm and robust. The lows are very adequate but can come nowhere near to what a dedicated subwoofer can produce. I knew this going in which is why I wanted the subwoofer. Overall I am totally pleased with the music these towers produce and the 80 watt amp drives them beautifully and they can get quite loud without distortion unless you go nuts and over drive them to the extreme. Now would a 2 or 3 thousand dollar pair of towers out perform them? I would say yes. But the big question is does the 2 or 3 thousand dollar set give you a 2 or 3 thousand dollar performance increase? I would venture to say they are better but not thousands better. Of course this is my opinion and I am not an audiophile, but I have listened to different systems all of my life and I do know what sounds good and what does not. I have heard some crappy systems. I am sure an expert might hear or not hear things I should hear but again, I am totally pleased with the sound these speakers produce and I don't give a flying fig if they are missing a little detail. ... show more
Reviewed in the United States on December 14, 2023 by Chas

Great sound, but inaccurate measurements
Style: Large Tower Speaker (XT70)
I bought two XT70s and an XT30 center. These won't win style points. They have a very basic design (sharp edges and corners, a vinyl-like coating, and cheap speaker covers), but they sound great once burned-in. If there's no risk of damaging the speakers themselves, pop those covers off and show a little color. These speakers need to be burned-in because they sounded stiff and, quite frankly, kinda meh. Give them time (we did between 20-30 hours of different genres of music to get as much range as possible) at around 75-85 decibels. Metallica to Reba, Flo Rida to Celine Dion, Brooks & Dunn to Run DMC. Once burned in, they sound great. The more you use them, the better they'll sound. At first, I thought the left tweeter busted because there was a crackling sound off to the left during Underworld Awakening, but a few seconds later, the camera panned to the left and showed a guy welding off-camera. It was crystal clear. I attached a pic comparing the sizes of one of the front speakers that came with the original system, one of the upgraded ones (which sounds great in its own right), and the XT70. The passive drivers don't push as much as they should, so a subwoofer will help with the lack of base from the towers. Paired with a decent sub (we have an 8" sub) and they will rattle your walls. Now, Polk's claimed measurements are deceptive. The Dynamic Balance woofers are not 6.5 inches, and the passive bass radiators are not 8 inches. The woofers are, however, 6.5 inches from one edge of their FRAME to the other; the radiators are 8 inches from one edge of their FRAME to the other. The woofers are 5 inches from the outer edges of the rubber, and the radiators are 7.25 inches from the outer edges of the rubber. Very deceptive, so be aware. Despite the deceptive measurement claims, I can't see any towers in the same price range being better than these. Amazing bang for the buck. I'll give 5 stars for performance, but the design isn't impressive, and the inaccurate measurements irritate me. ... show more
Reviewed in the United States on July 4, 2026 by Lori A Klumpp

Great upgrade option starting point
Style: Large Tower Speaker (XT70)
Very happy with the sound quality that come out of these for the price. The cabinet is solidly built and they look nice however I would prefer a wood laminate finish over the vinyl covering these have. One area of improvement greatly needed is the grill frames, they are very flemsy and could easily break if you aren't careful with removing them or moving the speakers around. I believe the bases are also made out of the same MDF as the boxes however solid wood/ plywood would make for better durability and less worry when moving around. ... show more
Reviewed in the United States on May 29, 2026 by AshleyD83

Great sounding speaker
Style: Large Tower Speaker (XT70)
Review: Polk Monitor XT70 Large Tower Speaker The Polk Monitor XT70 is a powerful and impressive large tower speaker that delivers outstanding audio performance. Designed with meticulous attention to detail, this speaker is a standout in both aesthetics and functionality. With its sleek design and high-quality construction, it easily blends into any home theater or audio setup. One of the most remarkable features of the Polk Monitor XT70 is its ability to produce rich and immersive sound. Equipped with two 6.5-inch bi-laminate composite dynamic balance drivers, it delivers deep and punchy bass with exceptional clarity. The midrange and high-frequency response are equally impressive, thanks to the 1-inch silk dome tweeter, which produces detailed and accurate sound reproduction. The overall sound signature of the XT70 is well-balanced, allowing you to enjoy a wide range of music genres and movie soundtracks with great accuracy and depth. Whether you're listening to delicate orchestral pieces or rocking out to heavy metal, this speaker can handle it all with ease. Another aspect that sets the Polk Monitor XT70 apart is its versatility. It can be used as a standalone stereo speaker system or integrated into a larger home theater setup. With its dual gold-plated 5-way binding posts, it offers easy connectivity options, allowing you to connect it to a variety of audio devices. The speaker also has a sensitivity rating of 90 dB, ensuring that it can deliver robust and dynamic sound even with lower-powered amplifiers. In terms of build quality, the Polk Monitor XT70 is outstanding. The cabinet is made of high-quality MDF material, which helps reduce resonance and unwanted vibrations, resulting in cleaner sound reproduction. One minor drawback of the Polk Monitor XT70 is its size. As a large tower speaker, it requires ample space and may not be suitable for smaller rooms or apartments. However, if you have the room to accommodate it, you'll be rewarded with its exceptional audio performance. Overall, the Polk Monitor XT70 is a top-notch tower speaker that delivers excellent sound quality, versatility, and stylish design. Whether you're an audiophile seeking immersive music experiences or a movie enthusiast looking for a cinematic audio setup, this speaker is a fantastic choice. With its powerful performance and attention to detail, the Polk Monitor XT70 is sure to elevate your audio enjoyment to new heights. ... show more
Reviewed in the United States on June 22, 2023 by Docwitty

Excellent tower speakers, paired well with Denon AVR
Style: Large Tower Speaker (XT70)
Excellent speakers, paired very well with my Denon AVR. They come with dark Greg speaker covers that are removable. No wires included - buy thick gauge with gold banana plug ends - they plug right in. They are 3 feet tall and pretty heavy - great quality.
Reviewed in the United States on August 17, 2026 by Highly Observant

Resonable priced clarity
Style: Large Tower Speaker (XT70)
First impression Sounds smooth and full, paired with a Yamaha As 501 amp. Tons of low end and clarity. Feed them clean and they will perform. Plenty of volume to fill a 14x14 room. Sound smooth and pleasing to my ears without being shrill .
Reviewed in the United States on February 4, 2026 by samdrucker

Crystal Clear Sound with Deep Bass – A Must-Have for Music and Movies!
Style: Large Tower Speaker (XT70)
The Polk Monitor XT70 Tower Speaker blew me away with its incredible sound quality. Whether I’m streaming music or watching an action-packed movie, the audio is crisp, detailed, and immersive. The deep bass adds a rich, full-bodied feel without overwhelming the mids and highs. Setup was simple, and they look great in my living room—sleek but not flashy. They’re also Dolby Atmos and DTS:X compatible, so I’m ready for a full home theater experience. If you’re serious about great sound at a reasonable price, these speakers are a no-brainer. Highly recommend for audiophiles and movie buffs alike! ... show more
Reviewed in the United States on January 14, 2025 by James Williams
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