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Klipsch Reference R-51M

Bookshelf speakers

Item # 714R51M

Looking for a pair of bookshelf speakers that rock your music playlists and movie night? Then check out the...

Looking for a pair of bookshelf speakers that rock your music playlists and movie night? Then check out the...

California customers:
Please click here for your Proposition 65 warning.

Top seller

Item # 714R51M

In stock

$289.00 Sale: -$60.00 off Sale: ends 9/27

$229.00 pair

Other options

About the Klipsch Reference R-51M

High-quality performance for music and movies

Looking for a pair of bookshelf speakers that rock your music playlists and movie night? Then check out the Klipsch Reference R-51M. This solidly built bookshelf pair features Klipsch's famous horn-loaded tweeter, which produces clear, detailed highs. You'll also enjoy solid bass response thanks to the copper spun 5-1/4" woofer and rear-firing port. 

High-quality performance for music and movies

Looking for a pair of bookshelf speakers that rock your music playlists and movie night? Then check out the Klipsch Reference R-51M. This solidly built bookshelf pair features Klipsch's famous horn-loaded tweeter, which produces clear, detailed highs. You'll also enjoy solid bass response thanks to the copper spun 5-1/4" woofer and rear-firing port. 

Gold-plated binding posts offer easy, secure speaker wire connections. The R-51Ms perform beautifully in a two-channel music system or as the front channels of your home theater setup.

Build a complete Reference system

Add more bass to the R-51Ms with a matching subwoofer, or team them with other Klipsch Reference speakers for high-impact home theater.

Bookshelves: Klipsch R-41M
Center channel: Klipsch R-34C and Klipsch R-52C
Surround speakers: Klipsch R-41SA
Floor-standing speakers: Klipsch R-610FKlipsch R-620F, and Klipsch R-820F
Powered subwoofers: Klipsch R-100SW and Klipsch R-120SW

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Product highlights:

  • frequency response: 62-21,000 Hz (±3dB)
  • impedance: 8 ohms compatible
  • sensitivity: 93 dB
  • power handling: up to 85 watts RMS (340 watts peak)
  • 90° x 90° Tractrix® horn with 1" LTS (Linear Travel Suspension) aluminum diaphragm compression tweeter
  • 5-1/4" copper spun magnetically shielded IMG woofer
  • bass-reflex design
  • rear-firing port provides fast, efficient airflow from the cabinet for clear, powerful bass
  • removable grilles offer a clean, streamlined look
  • durable wood grain vinyl finish
  • gold-plated binding post speaker terminals
  • 7"W x 13-5/16"H x 8-1/2"D
  • weight: 11 lbs. each
  • warranty: 5 years
  • Our 60-day money-back guarantee
  • MFR # 1065839

What's in the box:

  • 2 Bookshelf loudspeakers
  • 2 Grilles (installed)
  • 8 Self-adhesive rubber feet
  • Quick Setup Guide
  • Important Safety Instructions
  • Warranty Information

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Klipsch Reference R-51M reviews

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More details on the Klipsch Reference R-51M

Stacey B.

Features & specs

Enclosure Bass Reflex
Finish MDF/Wood-grain vinyl
Color Black
Video Shielded No
Tweeter Type Tractrix Horn
Tweeter Size (inches) 1.0
Midrange Size (inches) N/A
Woofer Size (inches) 5.25
Woofer Composition Copper-spun IMG
Woofer Surround Rubber
Power Range up to 85
Sensitivity 93 dB
Impedance (Ohms) 8
Frequency Response 62-21k Hz
Connector Type 5-way post
Bi-amp Inputs No
Height (inches) 13
Width (inches) 7
Depth (inches) 8-9/16
Weight (pounds) 11
Mounting Bracket Included No
Recommended Stand Height (inches) 24-28
Parts Warranty 5 Years
Labor Warranty 5 Years
The Klipsch Reference R-51M replaces these items:

Product Research

Features

1" Horn-Loaded Tweeter: The R-51M bookshelf loudspeaker features Klipsch's proprietary Tractrix Horn technology mated with a 1" aluminum LTS tweeter, for impressive high-end response and greater extension, enhanced imaging and powerful dynamics.

  • 90°x90° Tractrix Horn: The square Tractrix Horn delivers a 90° (w) x 90° (h) dispersion pattern for a broader sound-stage. Klipsch exclusive Tractrix horn technology ensures that the speaker's high frequency energy is aimed at the listener and reduces artificial reverb or filtering caused by indirect sound bouncing off of walls. Using this proprietary focused technology provides clarity, dynamics, and detail for your movies and music
  • LTS (Linear Travel Suspension): Behind each horn lies a 1.0" tweeter with a linear travel suspension. Klipsch exclusive Linear Travel Suspension (LTS) minimizes distortion for enhanced, detailed performances. In addition, Using Kapton (an extremely light and rigid material) in the tweeter suspension provides high efficiency and improve resolution and detail.

5.25" Copper-Spun IMG Woofer: The Klipsch R-51M bookshelf speaker houses a single 5.25" Copper-Spun IMG woofer. The Copper-Spun IMG (Injection Molded Graphite) woofer is exceptionally light while being extremely rigid - providing remarkable low frequency response, with minimal cone breakup and distortion.

Flared Port: The Klipsch Reference series bookshelf speaker features a rear-firing port that is perfectly matched to the cabinet and drivers. The port is precisely flared to minimize turbulence even at the lowest frequencies.

MDF Cabinet: The Klipsch R-51M bookshelf speaker features a MDF cabinet with a scratch-resistant, textured wood grain vinyl that seamlessly integrates into almost any room or decor. The enclosure's reinforced MDF construction reduces cabinet vibration for less audible coloration and improved sonic accuracy.

Acoustically Transparent Grille: The Klipsch R-51M bookshelf speaker comes with a removable, black cloth grille that is magnetic and acoustically transparent.

5-Way Binding Posts: The Klipsch Reference series bookshelf speaker is fitted with sturdy 5-way binding posts to ensure a secure connection to many types of cable and connectors. The 5-way binding post terminals will accept banana plugs (single or dual), pin-connectors, spade-lugs and bare wire (up to 10AWG). Two plastic caps will need to be removed to use banana plugs.

Mounting Options: The Klipsch R-51M can be placed on a speaker stand, bookshelf, table, or other flat surface. The bookshelf loudspeaker comes with self-adhesive rubber feet to secure the speaker in place and prevent any damage to your stand's or shelf's surface. The rubber feet add approximately 0.3125" to the overall height of the speaker.

Note: There is no included bracket, keyhole slot, or threaded insert to wall-mount the speaker.

Application & Placement: The Klipsch R-51M bookshelf loudspeaker can be used in a dedicated stereo application or in a home theater application as front and/or rear speakers.

  • Front Placement: For optimum performance in a stereo application or as front speakers in a home theater application, Klipsch suggests placing the loudspeakers 6' to 15' apart. They may also be toed-in slightly for better stereo imaging. The listening position should be about 1 to 1.5x the distance separating the speakers.
  • Rear Placement: When used as surround speakers in a home theater setup, the loudspeakers should be placed approximately 2' above the listening position. Typically this will be approximately 5' to 7' above the floor. The surrounds should be placed on the walls directly adjacent to the listening position. Another option would be on the wall behind the listening position.

Reference Series: The Klipsch Reference series consists of four floorstanding speakers (R-610F/R-620F/R-820F/R-625FA), two bookshelf speakers (R-41/R-51M), two center channel speakers (R-34C/R-52C), and one Dolby Atmos speaker (R-41SA) - all sold separately. The Klipsch Reference series line-up of loudspeakers sound great in stereo and home theater applications.

Optional Powered Sub: For bigger & deeper bass response, pair the Klipsch Reference series loudspeaker with one of Klipsch's powered subwoofers (sold separately).

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Customer Q&A

5 questions already asked

Q
Will these work with a Mac1900?
[ Greg  Aug 04, 2020 ]
3 answers
A
i run my r-51's through an old analog nad 7045! they crank with very little volume! they're clear with no detectable distortion! the classic 1900 should be a perfect match!!!
[ brian  Aug 05, 2020 ]
A
Why....yes they will, if you have banana plug connections. If not you'll need adapter with left and right connection or you can just strip the wires,observing polarity......of course. Enjoy!!!!!!!!
[ LUIS A  Aug 05, 2020 ]
A
If it's the old school receiver, then yes, it should work.
[ Taylor  Aug 04, 2020 ]
Q
can you pair these with klipsch promedia 2.1 computer speakers / sub? will i need a splitter of some sort?
[ gmuhagcsaka  Jun 20, 2020 ]
3 answers
A
I'm not sure. I used them for my 7.2 surround system. I wish I could be of any help. But I'm really not sure. I would contact Klipsch directly.
[ Jorge  Jun 20, 2020 ]
A
This depends entirely on the subwoofer. If the sub has normal (+ -) connections for the speakers, then yes. If it has RCA you'll need RCA to speaker wires, and if it has something else, probably not. Or not easily.
[ Taylor  Jun 20, 2020 ]
A
i am using mine with a 10inch klipsch powered sub. im sure it would work as long as the amp you are using has a sub line out. these are not powered speakers like the ones that come with the pro media. an amp or receiver is needed.
[ Rylan  Jun 20, 2020 ]
Q
How do these compare to the R-15M? Is it worth upgrading to these?
[ Jay  Nov 25, 2018 ]
9 answers
A
The 15s and 51s are basically the same thing. It would be a better investment to upgrade to RP bookshelf speakers than to the 51s.
[ Taylor  Jun 20, 2020 ]
A
it depends more on price. at the price i paid for the R-51's (124.99), it's worth picking them up on their own! the sound is terrific!
[ brian  Dec 03, 2018 ]
A
Not familiar with the R-15M, but I'm very pleased with the R-51M speakers. My only suggestion would be if you are going to get the R-51Ms, make sure you have a decent subwoofer or pair them with another set of speakers with a substantial low end. I have my R-51Ms paired with a set of Elac B6s "and" an old Infinity sub. My goal with buying the R-51Ms was to raise the ceiling of the highs and enrich the mids that my Elacs were lacking. Adding the sub just rounded out the bottom end and really added some extra bass punch. I read somewhere that a great way to get better performance from your speakers without spending a fortune was to pair two sets of speakers that have different strengths. I can verify that my "Budget Wall-0-Sound" kicks ass and it didn't have to sell any of the kids to do it. (Though I've been tempted) If the half price sale is still going on, take advantage and pick up a pair of these. Hell, you can always send them back if you don't like them. But I think you will want to keep them. Cheers!
[ M  Dec 03, 2018 ]
A
I Think the 51 IS JUST A NEWER MODEL THE 15 THE LOOK ALMOST THE SAME WITH SOME MINOR DIFFERENCES THE SOUND ON THE 51 SEEMS A LITTLE BETTER BUT OVER ALL IF YOU HAVE THE 15'S SAVE YOUR MONEY FOR NOW.
[ LATHROP  Dec 03, 2018 ]
A
Well if your referring to the R-15pm. I'm not sure the R-15pm are powered speakers. The R51m are not. I haven't heard the 15pm's so I can't give you an honest answer. But I'm using four 51m's as my surround and surround backs, and I'm using an Emotiva power amplifier with a Marantz pre amp and they sound amazing. For both movies and music. You won't be disappointed.
[ Jorge  Dec 03, 2018 ]
A
Never heard R-15M so don't know
[ DSE  Dec 03, 2018 ]
A
The R-51M seems to be the same speaker as the R-15M judging by the speaker specs.
[ Darren  Dec 03, 2018 ]
A
I can't answer this question as these are a Xmas present for somebody else.
[ Steve  Dec 03, 2018 ]
A
Sorry, I've never heard the 15's.
[ Gregory Scott  Dec 03, 2018 ]
Q
Can these be mounted on the wall?
[ Mike  Nov 21, 2018 ]
2 answers
A
I don't have an answer for that. Sorry. I plan to have them eventually on pedestals for better sound production.
[ Howard V.  Nov 24, 2018 ]
A
Yes with just a single nail or screw, but these guys are big. I'd recommend keeping them on shelf or at the very least hang them on a stud.
[ William  Nov 22, 2018 ]
Q
can you use banana plugs on these speakers?
[ Liam  Nov 01, 2018 ]
5 answers
A
Yes.....They might be a little tight.Connect carefully. Jazz on!!
[ LUIS A  Nov 02, 2018 ]
A
i believe it is possible. my receiver does not accept banana plugs so i do not have them on my setup but there are holes in the posts
[ Rylan  Nov 02, 2018 ]
A
Yes the terminals have the removable caps where banana plugs would go.
[ John  Nov 02, 2018 ]
A
Yes you can
[ Jorge  Nov 02, 2018 ]
A
Yes.
[ Nathan  Nov 01, 2018 ]
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