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Klipsch

Klipsch R-51M Bookshelf Speaker (Pair), Black

  • Based on 1,338 reviews
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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Oct 19
Order within 22 hours and 28 minutes
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Size: Pair


Features

  • 1" Aluminum LTS tweeters
  • 90x90 Square Tractrix Horns
  • Dual 5.25" Spun-Copper IMG Woofers
  • Bass-Reflex via Rear-Firing Port
  • Dimensions: 13.3" x 7" x 8.5"

Description

Sold in Pairs.

Brand: Klipsch


Speaker Maximum Output Power: 340 watts


Frequency Response: 62 hertz


Connectivity Technology: RCA


Audio Output Mode: Stereo


Audio Output Mode: Stereo


Mounting Type: Shelf Mount


Enclosure Material: MDF


Speaker Type: Tweeter, Woofer, Bookshelf


Additional Features: Radio


Antenna Location: For Computers, For DVD Players, For Televisions


Subwoofer Diameter: 5.25 inches


Color: Black


Is Waterproof: FALSE


Warranty Type: Limited


Maximum Range: 20 meters


Control Method: Remote


Speaker Size: 5.25


Woofer Diameter: 5.25 inches


Tweeter Diameter: 2.54 centimeters


Water Resistance Level: Not Water Resistant


Specific Uses For Product: Home entertainment systems, movies, TV shows and music playback via DVD players, TVs and computers


Battery Average Life: 1 days


Controller Type: Corded Electric


Unit Count: 1 Count


Item Dimensions D x W x H: 8.5"D x 7"W x 13.3"H


Item Weight: 11 pounds


Compatible Devices: Laptop, Personal Computer, Smartphone, Tablet


Power Source: Corded Electric


Brand: Klipsch


Model Number: R-51M


Model Name: R-51M


Built-In Media: Standard


Warranty Description: 5 year limited warranty


Number of Items: 2


Customer Package Type: Standard Packaging


UPC: 743878035520 743878036169


Global Trade Identification Number: 20, 69


Manufacturer: Klipsch


Age Range Description: Adult


Speaker Maximum Output Power: 340 watts


Frequency Response: 62 hertz


Number of Audio Channels: 1


Impedance: 8 ohm


Connectivity Technology: RCA


Subwoofer Connectivity Technology: Wireless


Connectivity Protocol: Bluetooth


Audio Driver Type: Dynamic Driver


Audio Driver Size: 5.25 inches


Number Of Circuits: 2


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Oct 19

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Top Amazon Reviews

    • Very good speakers
The r51ms are used to compliment my klipsch rp500m speakers and a 12 inch subwoofer in a large living room. By placing the r51m speakers to the outside walls , and the rp500m speakers to the interior, closer to the amplifier, and with the subwoofer set on deep bass only at just enough volume to barely compliment the sound, the large living room is more than sufficiently covered with at least true high fi quality sound, if not true budget audiophile sound. My entire 2.1 system is all klipsch. That's how I want it. I am using them with a high powered tube amplifier, so presence and clarity is awesome. Placement is critical. I was initially disappointed until I switched the r51ms to the spread to the outside walls position, and the rp500ms to the interior, closer to the amplifier. The difference was remarkable. The 2 different klipsch speakers, ie one a rp and the other a r series blend together perfectly with no clash whatsoever because of somewhat more refined sound on the rp500m speakers. The rp500m speakers do sound higher end , but they are supposed to, but with the speakers as outer r51m and inner rp500m, and the klipsch subwoofer at deep bass with just a touch of volume the result is sound of such quality that I can honestly say I can be content and satisfied with it. I can say my system is complete, and no further improvement, upgrades are needed. Tower speakers as primaries are not necessary because of the high quality of sound and the high sensitivity of the 4 klipsch bookshelf speakers and klipsch subwoofer. This saves me money during this rapid inflation period of time. I could easily say that what I have sounds more than good enough to be satisfied and content with without any desire to upgrade further at this point. Shipping speed was excellent via Amazon itself, and the box and speakers arrived in handled with care and new condition. I am not disappointed at all now that the r51m speakers are the outside speakers, spread apart from corner wall to wall to compliment the interior placements of my rp500m speakers by klipsch. Im all klipsch here and I love it. 5 stars categorically. As previously stated, I see no need for primary tower speakers, even in a large living room, and that equals high quality sound and savings of money at the same time. I recommend these speakers. They do more than just do sound quality wise. ... show more
Reviewed in the United States on August 22, 2025 by Sidney Love
    • Great entry level audiophile speakers, with style!
Review Image by Jared Johnson Jared Johnson
Review Image by Jared Johnson Jared Johnson
I have Klipsch center and front speakers, and a Klipsch sub, so all I needed were matching surround speakers. I love the copper look of Klipsch! These were well packaged, so no damage. A good size for sitting on end tables. Cost wasn’t bad, and I got it on sale. It seemed like they were discounting these periodically as I had my eyes on these a while. Nice loud speakers for their size, Klipsch is good at being very power efficient, so more volume for its size. As for other speaker details, I recommend looking at Crutchfield audio website to learn specific details about these if you are debating what speakers you want. ... show more
Reviewed in the United States on October 13, 2025 by Jared Johnson Jared Johnson
    • Klipsch R-51M Bookshelf Speaker (Pair)
Review Image by Chris Nunya Chris Nunya
Review Image by Chris Nunya Chris Nunya
Review Image by Chris Nunya Chris Nunya
This is my first pair of "Klipsch" speakers. But they are most definitely the nicest pair of bookshelf speakers I've ever owned so far! My last pair were the Micca bookshelf speakers. These are a very big improvement. Very clear with outstanding power handling. I bought mine during the "Black Friday" sale, so definitely worth the money! ... show more
Reviewed in the United States on December 6, 2025 by Chris Nunya Chris Nunya
    • Best quality, value, amazing sound
Paired with Klipsch Synergy Sub-100 10" woofer, and WOW. Amazing sound. Quality is top notch, sound is crisp, clear, and the Bass is great! Cannot beat Value for money.
Reviewed in the United States on November 5, 2025 by Fredric J.
    • Great speaker for price
5 star for what this speaker is capable of. Great sound, good punch and good treble. But low frequency for this speaker is upto 62hz, which means it will miss lot of low frequency bass. If you are looking for bass, these speakers wont work. I added subwoofer for below 60hz frequency and worked perfectly. ... show more
Reviewed in the United States on December 12, 2025 by Bajracharya
    • Great starter speakers - for the right price.
A good all-around pair of starter speakers if you're planning on using them as standalones. These will have zero trouble filling a small to medium sized space with rich and detailed sound at low to mid volumes. The bass is adequate for their size. They're not going to knock your socks off on more thumpy genres. I would imagine pairing them with a subwoofer would make quite the difference but for rock and some synth pop, they're pretty sweet. Plus the copper woofers look very striking without the faceplates. That said, I say these are best suited at low to mid volumes because cranked, the higher frequencies can be awfully fatiguing coming out of these speakers. I would not pay anywhere close to the $349 MSRP for these (you can probably find a pair of far superior RP-600Ms for around that price nowadays). Around $150 seems like a sweet spot for the R-51Ms, but the Sony SSCS5s and Fluance Signature bookshelfs are very comparable, if not better sounding for around the same price. Still, these will probably more than satisfactory if you're not expecting to be blown away by them. UPDATE 5/20/25: Can confirm that the subwoofer made a big difference. I was going to retire these since I replaced them with some bigger floor speakers on my main setup but I decided to try them out in place of the factory speakers on the Klipsch ProMedia 2.1 I have hooked up to my computer. Not only does the onboard amp seem to drive them okay at not-insane levels of volume - they sound really sweet paired with the 6.5-inch subwoofer. While I won't change my rating, I do highly recommend getting a sub along with these speakers. ... show more
Reviewed in the United States on April 11, 2025 by YALE70
    • Quality Product
Speaker sound great. Shipping went as promised. Thank you.
Reviewed in the United States on December 17, 2025 by dave

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