Klipsch RP-504C Reference Premiere II 2.5-Way Center Channel Speaker (Ebony)
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The Klipsch Reference Premiere RP-504C center channel speaker brings movie dialogue and music lyrics to life. Four 5.25-Inch Cerametallic woofers and a Hybrid Tractrix horn emit lifelike, front row sound.
Hybrid Tractrix Horn Technology
Klipsch proprietary Tractrix horn-loaded technology ensures high-frequency energy of the RP-504C center channel speaker is aimed directly at the listener and reduces unwanted, artificial reverb caused by indirect sound bouncing off walls - meaning you experience the clearest, detailed, lifelike sound possible.
Horn Anatomy
Klipsch Reference Premiere series speakers feature a compressed molded silicon face that is matted to the 90 x 90 degrees Tractrix horn to reduces horn resonance for smoother frequency response. Klipsch computer modeled phase plugs act as a mechanical filter to further ensure a smooth, flat frequency response while protecting the tweeter from damage.
Vented Tweeter
A vented tweeter design reduces standing waves behind the tweeter diaphragm for a smoother high-frequency reproduction. The titanium tweeter diaphragm's lightweight yet rigid composition exceeds the performance of aluminum, polymer, or silk tweeters. The 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, Klipsch Reference Premiere tweeters set the standard in acoustic reproduction.
Cerametallic Woofers
Klipsch Proprietary Cerametallic woofers are the RP-504C center channel speaker's signature statement for both sound and aesthetics. This extremely light, rigid material holds its shape while being able to deliver lower frequencies with maximum efficiency.
Woofer Anatomy
Klipsch Cerametallic cones are matted to a dual-layer, copper-wound voicecoil for exceptional conductivity. Reference Premiere woofers are housed in a non-resonating, stamped-steel basket that’s secured to a large magnet motor for exceptional efficiency and low distortion, and matched to our horn-loaded tweeters for optimal acoustic execution.
Rear Tractrix Port
The rear Tractrix port of the Reference Premiere center channel speakers is perfectly matched to the cabinet and woofers, creating ideal airflow with minimal distortion or turbulence even at the lowest frequencies.
Finished to Perfection
The RP-504C features a scratch-resistant design for an elegant audio solution to your home theater system. Strong, flexible, magnetic grilles provide protection and a sleek aesthetic to compliment your home's decor.
Klipsch RP-504C Reference Premiere II 2.5-Way Center Channel Speaker
| Frequency response | 58-25kHz +/- 3dB |
| Sensitivity | 97 dB @ 2.83V / 1m |
| Power handling (Cont/Peak) | 150W/600W |
| Nominal impedance | 8 Ohms compatible |
| Crossover frequency | 500Hz/1500Hz |
| High frequency driver | 1-inch titanium LTS vented tweeter with hybrid |
| Cross-section | Tractrix horn |
| Low frequency driver | Quad 5.25-inch cerametallic cone woofers |
| Enclosure material | MDF |
| Enclosure type | Bass reflex via rear-firing tractrix port |
| Inputs | Single binding posts |
| Height | 6.81 inch (17.3 cm) |
| Width | 31.13 inch (79.1 cm) |
| Depth | 14.46 inch (36.7 cm) |
| Weight | 34 lb (15.4 kg) |
| Finish | Ebony |
| Built From 2018 |
Frequently Asked Questions
How do I return an item?
How do I return an item?
Returns are incredibly simple. Please log into your account, find your item you wish to return and follow the prompts to make a return. If you do not have an account, click here to find your order and make a return.
Will I receive a full refund when I return an item?
Will I receive a full refund when I return an item?
You will receive a full refund when you return an item in its original manufacturer’s packaging, undamaged and unmarked. If the item you are returning is priced at less than $35, you will be charged a 15% restocking fee. Please note you will not be refunded any shipping charges.
How many days do I have to make a return?
How many days do I have to make a return?
You have 30 days to make a return. During the holiday season, from November 1 to December 31, we extend the return window to 60 days.
My item was damaged in transit. How do I place a return?
My item was damaged in transit. How do I place a return?
If your order has been noticeably damaged in transit, we strongly recommend that you refuse delivery and notify us immediately. Claims for missing items or items damaged in transit must be made within 48 hours of delivery. If there is carrier damage, please contact support@focuscamera.com with your order number and a description of the damage.
There’s an issue with my order, what should I do?
There’s an issue with my order, what should I do?
Oh no! Please contact our customer service team so we can resolve the issue immediately. You can call us on 1.800.221.0828, email us at support@focuscamera.com, or send us a message here.
Can I exchange an item?
Can I exchange an item?
We do not currently offer exchanges. Please return the item you purchased within 30 days and order what you’d like instead.
If I ordered a kit, do I have to return all the items?
If I ordered a kit, do I have to return all the items?
If you ordered a kit, you must return all components and accessories to receive a full refund.
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
I ordered a product that included a free item. I’d like to return it, do I need to return the free item as well?
If you ordered a product that included a free item, you must include the free item with your return. If not, your return will not be accepted and you will not receive a full refund.
Do you offer repairs?
Do you offer repairs?
We currently only offer camera repairs at our Brooklyn store. The item must be dropped off and collected in person as we do not accept shipped items for repair. For more information, please call our Brooklyn store on 1.718.431.7900.
What is your return policy?
What is your return policy?
Most items can be returned within 30 days for a full refund. Click here to read our full return policy.



