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Review Summary
2022-09-24T20:00:00
Speakers arrived undamaged. Set up was easy. They sound great. Did I mention how good I think they sound?
Jonski
2022-09-06T20:00:00
Very impressed with the audio and design quality of my new speakers. Finally able to play my old albums!
Nick W.
2022-07-26T20:00:00
The speakers were really easy to set up and the pairing process was easy as well. The speakers sound phenomenal!
T S.
2019-08-05T09:09:41
The only thing is the aux input is so much louder than the Bluetooth for the same volume setting, so when switching from listening to my iphone on bluetooth to listening to the sound of TV on aux, the TV is much louder. I've found this to be true on other bluetooth speaker systems with aux inputs. Not a big deal, but would be nice if all the inputs were at the same level. Listening to LPs is nice. No need for a receiver and separate speakers. I don't really care about audiophile stuff. I'm a musician, so it' important to be able to hear all the instruments, which is the case with these speakers. The midrange and upper mids are important to hear for learning background parts (rhythm guitar, etc). The bass doesn't overpower the mids in this speaker system, and the speakers make the music transparent, so I can hear everything I put my focus on. And the highs are gentle, not painfully shrill as they can be in a budget speaker system. I really like these speakers a lot!
Frederick S.
2019-08-02T21:46:30
I need active speaker. This is what I want. Very comfortable due to its input versatility and easy to setup. Quality of remote controller is also great.
Kwan C.
2019-08-01T08:30:48
Great speakers with so many ways to connect, definitely recommend. Will add sub offer for 2.1 system. Got these for ($) on Adorama, cheaper than I could find on any other site!
Carl B.
2019-07-30T08:36:53
EXCELLENT, easy set up with multiple options, love the sound and looks great
jay l.
2-way
Bass-reflex via rear-firing port
RMS: 60 W x 2 @ <1% THD
Peak: 120 W x 2
107.3 dB
1x 5.25" / 133.35 mm copper-spun IMG woofer per speaker
1x 1" / 25.4 mm aluminum diaphragm compression tweeter per speaker
90 x 90 Degree square Tractrix horn
68 Hz to 21 kHz
1663 Hz (passive)
Yes
1x stereo RCA (line/phono switchable, with ground screw)
1x optical TOSLINK
1x 1/8" / 3.5 mm aux
1x USB Type-B (computer audio)
1x RCA subwoofer pre-out
Right Speaker: 1x binding post pair out to left speaker
Left Speaker: 1x binding post pair in from right speaker
1x micro-USB (service)
MDF
100 to 240 VAC, 50/60 Hz
7 x 13 x 8.5" (17.78 x 33.02 x 21.59cm)
10.6 lb (4.8kg)
743878036336
Every expectation meet!
By Jonski
Speakers arrived undamaged. Set up was easy. They sound great. Did I mention how good I think they sound?
Vinyl is back
By Nick W.
Very impressed with the audio and design quality of my new speakers. Finally able to play my old albums!
The R-51PM powered speakers use a highly efficient, powerful yet minimalist design that engulfs listeners in their favorite movies and music. With a built-in amplifier, a multitude of inputs and Bluetooth connectivity, the R-51PM is the most versatile stereo speaker system on the planet.
Keepers of The Sound: Butch Walker
The Keepers of the Sound Series showcases pioneering artists who are authentic, uncompromising on quality, and always remain true to their core values. They work to create powerful, emotional experiences for their fans, and Klipsch strives to recreate the same experiences through our speakers and headphones.
No Receiver Required
Klipsch Reference powered speakers deliver room-filling sound without taking up much space thanks to a built-in amplifier that is custom-engineered for these high-performance speakers, maximizing output and sound quality. With integrated phono pre-amp, Bluetooth wireless technology, digital optical, analog RCA and USB inputs, you can finally say goodbye to your clunky A/V receiver.
Plays Well with Others
Whether you connecting to a turntable, television, computer, cell phone, whatever - these powered speakers work with anything. Equipped with an integrated phono pre-amp, Bluetooth wireless technology, digital optical, analog RCA and USB inputs, making these powered speakers your new best friend.
Dynamic Bass EQ
As the human ear perceives frequencies differently with variations in output, Klipsch Reference powered speakers will dynamically match the ear's ability to hear lower frequencies. Typically, only available with audio/video receivers, dynamic volume is a first for Klipsch powered monitors. What you get is powerful bass whether the listening volume is low, cranked up or somewhere in between.
Custom-Tuned Amplification
Reference powered speakers leverage independent, ultra-low noise amplifiers that are custom designed to maximize system performance and eliminate the need for external amplification. That means that world-class Klipsch engineers have full control of the signal path. We've tuned the components to be an absolute perfect match, making the system sound incredibly immersive and fills your room with incredible acoustics.
Tractrix Horn Technology
Klipsch exclusive 90x90 Degree Tractrix horn technology ensures that the speaker 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 gives you the best clarity, dynamics, and detail from your movies and music.
Linear Travel Suspension Tweeter with Kapton Suspension
Klipsch exclusive Linear Travel Suspension (LTS) aluminum tweeter minimizes distortion for enhanced, detailed performances. Using Kapton, an extremely light and rigid material, in the tweeter suspension provides high efficiency and improve resolution and detail. LTS tweeters are a hallmark of Klipsch speakers, making them some of the best speakers in the world.
Spun Copper IMG Woofers
Injection Molded Graphite (IMG) woofer cones are exceptionally light while being extremely rigid - providing remarkable low frequency response, with minimal cone breakup and distortion. When paired with the Tractrix Horn-Loaded LTS Tweeter, it provides speaker efficiency highest in its class.
Sleek Design
Exposed fasteners, low profile magnetic grilles and a scratch-resistant, textured wood grain vinyl give these powered bookshelf speakers a polished, modern appearance.
Seamless Subwoofer Integration
The Reference powered speakers include a sub-out line that allow you to seamlessly add a subwoofer to your stereo system to enhance low frequencies even further.