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Klipsch Reference Premiere RP-504C Center channel speaker (Ebony)

Item # 714RP504CE

Building a Klipsch Reference Premiere home theater system? The RP-504C is the largest and most powerful center...

Building a Klipsch Reference Premiere home theater system? The RP-504C is the largest and most powerful center...

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11 questions - 26 answers

Item # 714RP504CE

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$369.00 -$89.80 Outlet savings
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About the Klipsch Reference Premiere RP-504C

Kramer Crane

Room-filling sound from Klipsch

Building a Klipsch Reference Premiere home theater system? The RP-504C is the largest and most powerful center channel in the series — perfect for large rooms where you want to be drawn directly into the action unfolding on the screen. It features four 5-1/4" spun-copper woofers for punchy bass and dynamic midrange, and Klipsch's signature 1" horn-loaded tweeter for exceptionally accurate dialogue and center-stage sound effects.

Room-filling sound from Klipsch

Building a Klipsch Reference Premiere home theater system? The RP-504C is the largest and most powerful center channel in the series — perfect for large rooms where you want to be drawn directly into the action unfolding on the screen. It features four 5-1/4" spun-copper woofers for punchy bass and dynamic midrange, and Klipsch's signature 1" horn-loaded tweeter for exceptionally accurate dialogue and center-stage sound effects.

Klipsch Reference Premiere RP-504C Center channel speaker

Use the RP-504C center channel as part of a high-impact Klipsch home theater system.

Hybrid horn technology for dynamic performance

Horn technology is one of Klipsch's long-standing hallmarks. Flared openings in the speaker cabinet project sound waves toward your listening area and prevent them from simply spilling out in all directions. This design reduces reflections that can color the sound, and boosts dynamics and efficiency for powerful, "front row" sound that remains crystal-clear at all volume levels.

Klipsch's Tractrix® horn features a circular throat around an advanced titanium diaphragm tweeter that transitions into a square 90º x 90º mouth. This unique shape provides a cleaner, more efficient transition of sound waves into your listening space. The result is a wide listening "sweet spot" with precise placement of instruments and vocals. 

A horn that enhances bass, too

Take a look at the back of the RP-504C and you'll find that instead of the conventional round port tube found on many speakers, Klipsch uses a Tractrix horn-shaped opening for smoother, more efficient airflow in and out of the cabinet. The resulting decrease in air turbulence makes for cleaner, more powerful bass with reduced port noise and low-frequency distortion.

Because this speaker is rear-ported, I recommend pulling it away from your wall to give it room to "breathe."


Product highlights:

  • 1" LTS (Linear Travel Suspension) titanium diaphragm tweeter with Tractrix® horn
  • four 5-1/4" Cerametallic™ cone woofers with rigid and lightweight voice coils
  • frequency response: 58-25,000 Hz (±3dB)
  • sensitivity: 97 dB
  • power handling: up to 150 watts RMS (600 watts peak)
  • impedance: 8 ohms compatible
  • bass-reflex design with rear-firing Tractrix port
  • magnetically attached grille for a clean, streamlined look
  • ebony vinyl finish with scratch-resistant design
  • 5-way binding post speaker terminals
  • 31-3/16"W x 6-7/8"H x 14-7/16"D
  • weight: 34 lbs.
  • warranty: 5 years
  • MFR # 1065810

What's in the box:

  • Center channel loudspeaker
  • Grille (installed)
  • 4 Self-adhesive rubber feet
  • User Manual
  • Important Safety Instructions
  • Warranty Information

Scratch & Dent items may be missing non-essential accessories. In some cases the manufacturer's accessories have been replaced with generic equivalents.

See the difference between "Open Box" and "Scratch & Dent" Outlet items

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More details on the Klipsch Reference Premiere RP-504C

Stacey B.

Features & specs

Enclosure Bass Reflex
Color Black
Tweeter Type Tractrix Horn
Tweeter Size (inches) 1
Midrange size (inches) N/A
Woofer size (inches) 5-1/4
Connector Type Binding post
Power Range up to 150
Sensitivity 97 dB
Impedance (Ohms) 8
Frequency Response 58-25k Hz
Height (inches) 6-7/8
Width (inches) 31-3/16
Depth (inches) 14-7/16
Weight 34 lbs
Wall-mountable No
Bracket Included No
Parts Warranty 5 Years
Labor Warranty 5 Years
The Klipsch Reference Premiere RP-504C replaces these items:

Product Research


1" Horn-Loaded Tweeter: The Klipsch RP-504C center-channel loudspeaker features a 1" Titanium LTS Vented Tweeter with a Hybrid Tractrix Horn for exceptional high frequency response, detail, and dispersion. Klipsch proprietary Tractrix horn-loaded technology ensures high-frequency energy of the RP-504C center-channel speakers are aimed directly at the listener and reduces unwanted, artificial reverb caused by indirect sound bouncing off walls - meaning you experience the most clear, detailed, lifelike sound possible.

  • Titanium LTS Vented Tweeter: The titanium tweeter diaphragm's light weight yet rigid composition exceeds the performance of aluminum, polymer or silk tweeters. A vented tweeter design reduces standing waves behind the tweeter diaphragm for a smoother high frequency reproduction. Klipsch award-winning Linear Travel Suspension technology leverages a piston motion of the titanium diaphragm that lowers distortion and delivers real-to-life sound. A ceramic magnet housing provides premium performance,
  • Hybrid Tractrix Horn Technology: This redesigned 90°x90° Hybrid Tractrix Horn utilizes a circular horn throat paired to a square horn mouth to further improve high-frequency response and extension, while enhancing imaging and dynamics. The Hybrid Tractrix Horn's compressed molded silicon face adds high frequency damping to reduce harshness and horn resonance for a smoother frequency response with improved detail - creating a clean and natural sound. Klipsch also utilizes computer modeled phase plugs that act as a mechanical filter to further ensure a smooth, flat frequency response while protecting the tweeter from damage.

Quad 5.25" Cerametallic Woofers: The RP-504C center-channel loudspeaker utilizes four 5.25" Klipsch Proprietary Cerametallic woofers. Cerametallic consists of extremely light, rigid materials that can hold shape while being able to deliver lower frequencies with maximum efficiency. The Klipsch Cerametallic cone is matted to a dual-layer, copper-wound voice coil for exceptional conductivity. The 5.25" woofers are housed in a non-resonating, stamped-steel basket that's secured to a large magnet motor for exceptional efficiency and low distortion.

Rear Tractrix Port: The rear Tractrix port of the RP-504C center-channel loudspeaker is perfectly matched to the cabinet and woofer, creating ideal airflow with minimal distortion and turbulence even at the lowest frequencies. Klipsch Tractrix ports have custom designed inner flares that help reduce air turbulence entering the port. Less turbulent air helps reduce port noise for cleaner, more powerful bass.

MDF Cabinet: The Klipsch RP-504C center-channel 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. The MDF enclosure also features a satin painted baffle with a scratch resistant design for an elegant look without the grille.

Acoustically Transparent Grille: The Klipsch RP-504C center-channel loudspeaker comes with a removable, black cloth grille that is magnetic and acoustically transparent. This strong magnetic grille provides protection and a sleek aesthetic look to compliment your home's decor.

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

Placement & Mounting Options: The center channel speaker is designed to place dialog and primary sounds so that they appear to come from the TV or projector screen. The speaker should therefore be centered and placed as close to the screen as possible, preferably directly on top of or below the screen. The center channel speaker comes with four 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 0.125" to the height of each speaker.

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

Reference Premiere Series: The Klipsch Reference Premiere series utilizes a redesigned hybrid 90°x90° Tractrix Horn, a vented LTS titanium tweeter, Cerametallic woofer construction, and Tractrix geometry port technology for sound that will envelope you and blow you away. The Reference Premiere series by Klipsch consists of a variety of floorstanding, bookshelf, center, and surround speakers (all sold separately). Click on the Accessories Tab to find more Reference Premiere series speakers for your home system.

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

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Customer Q&A

11 questions already asked

Does Klipsch Reference Premiere RP-504C come in cherry or walnut?
rhonda  Oct 22, 2023
1 answer
The RP-504C is no longer in production, and we do not have any of the walnut left. It may be possible to find the walnut available from other sellers. At the time of writing, we do have the RP-504C II available in walnut, which I will link below:
zachary  Oct 22, 2023 (Staff)
Can you wall mount this speaker?
harry l  May 16, 2022
2 answers
You can wall mount anything if your walls are deep enough I suppose.... This isn't designed to be, however.
david  May 19, 2022
tim  May 18, 2022
Will the Denon AVR-S750H (Costco) drive this speaker well enough to sound good? Not interested in super loud but good action movie quality.
david  Apr 08, 2022
3 answers
Yes , definitely, its a nice center speaker, the dialog is so clear and crisp in my set up.
peter  Apr 10, 2022
Yes should be fine these are very efficient speakers they don't require a lot of power to sound great! You will love the speaker.
james  Apr 09, 2022
I'm currently using a Denon AVR-3500x. It is enough to adequately drive the speaker (the 504 is a pretty sensitive speaker!) so it looks like the 750 would be good. To be fair though, I'm heading down the separates route here shortly. I'll keep the speaker though - I love it!
jay  Apr 09, 2022
Is a 50w channel enough for this?
carlo  Mar 16, 2022
2 answers
Absolutely. This is a very sensitive speaker.
william  Apr 12, 2022
In my opinion this reference speaker may be too much for a small amplifier.
ernesto  Mar 16, 2022
can you place this in a BDI corridor media stand?
phil  Nov 01, 2021
3 answers
BDI sells multiple media stands. Would you please provide more information so we may better answer your question. The speaker dimensions are 6.81" x 31.13" x 14.46" and it weighs 34lbs. I hope this item does work for you. I own it and love it- the richness of the sound is incredible.
kimberly  Nov 07, 2021
I have the Elements 8779 media console and the Klipsch 504-C. You can definitely put the 504-C in the cabinet center top shelf. I chose to place it on top so it is at ear level and I like the look of the speaker.
william  Nov 01, 2021
I personally do not see any reason why you couldn't. Just be sure to double check the dimensions of the speaker vs the interior dimensions of the media stand. This speaker cabinet is quite large.
eliot  Nov 01, 2021
Can you place a 55" TV over it?
vipin  Jul 06, 2021
4 answers
I have mine under a wall mounted 77" LG OLED. The wall mount can extend 24" from the wall so the TV is flush to the front of this speaker. The cabinet underneath is an IKEA Besta. The speaker is big and heavy and I am sure it could support an LED or OLED TV.
jonathan  Jul 06, 2021
Yes, you can. If you mean placing a 55" TV on the speaker itself, probably not the best idea because your tv stand could possibly hang over. That and it's probably not the best thing to have something relatively heavy on the speaker. Overall, it's all cosmetics and it's up to you about what you think will look best.
troy  Jul 06, 2021
I'm assuming you mean you want to set your 55" tv directly on the speaker right? The tv foot mount locations on my 55" tv are 40 inches apart, which is too wide to sit directly on the speaker. My speaker is on a mantle and the tv is mounted on the wall above.
alan  Jul 06, 2021
Yes, you can place any sized TV over it. In my case, I have a 110 inch projector screen over it, but any TV will work the same.
john  Jul 06, 2021
can it be powered/handled by 100 wpc AVR?
gerry  Oct 20, 2020
2 answers
william  Apr 12, 2022
It sure can be powered by a receiver like you describe!
jason  Nov 03, 2020 (Staff)
Will I be able to power the RP-504C enough with my AVR-S750h, 75W/Channel max? I plan to configure as "small" type.
deweypop2104  Aug 25, 2020
1 answer
Very good center speaker. I have set it as small and powerful for my liking. I will recommend it
bright  Aug 25, 2020
This has a port behind it. Are there any minimum distances from the wall that need to be observed?
mike  Mar 30, 2020
2 answers
Every room is different but in general you will want them probably 18" - 36" away from the wall.
casey  Apr 15, 2020 (Staff)
The best you get to play with the distance to get the best sound in your room. The must important thing is to tilt it up to your listening point.
anthony  Apr 14, 2020
will mounting this speaker vertically make any difference? Or does it have to be mounted horizontally
webster  Feb 10, 2020
1 answer
Center speakers are designed to be mounted horizontally, preferably at listening level. I would not recommend mounting vertically. Buy a pair of front speakers if that's what your design requires.
jon  Feb 10, 2020
What's the difference between the rp450c vs the rp504c?
jeremy  Jan 02, 2019
5 answers
If you look at the Tractrix Horn between the two speaker systems you will see the rp450c has an old horn design where the rp504c has the new horn design. Notice the copper circle inside the rp504c horn, this indicates the new design. Other than that they are the same speaker systems.
gerre s  Jan 02, 2019
Size of the driver's and horn. The 450 has 4 inch the 5 has 5 inch speakers and its huge. If you got the room and the cash go bigger. Its taller as well. Make sure it doesn't interfere with TV picture.
philip  Jan 02, 2019
I believe the 504c has an improved tweeter. I have had both speaker and doubt you would notice the difference. The biggest difference to me is the finish. The fake wood grain on the 504c looks much better. The 450 wood grain looks very fake. It also matches the finish of the other 2018 models. So if you are looking to match it with a pair of 8000fs for example, go with the 504c
james  Jan 02, 2019
From my research it boils down to new tweeter tech integrated into the new center channel. From their website: "ALL-NEW VENTED TWEETER A vented tweeter design reduces standing waves behind the tweeter diaphragm for a smoother high frequency reproduction." The dimensions of the box are similar without a drastic change. I absolutely love it, but I have no first hand knowledge of the 450c's sound to offer any type of comparison. Hope this helps
james  Jan 02, 2019
The 504c is essentially the replacement for the 450c. Ignoring cosmetic differences, there are just minor updates such as making the tweeters vented. I haven't been able to find any other significant differences from Klipsch's official documentation or elsewhere. As far as I can tell, the biggest difference between the two is price and cosmetic appearance.
mardy  Jan 02, 2019

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