Klipsch Reference Premiere RP-404C II is a 2-way Passive Acoustic Suspension Center Channel speaker by Klipsch. Center channel speaker is an important component of a home theater system set-up as it delivers the listener significant part of the on-screen dialogue from your television. It features a 1" Tractrix Horn Tweeter and 4 x 4" Cerametallic cone Woofer. The speaker has a frequency range of 87-25k Hz and a sensitivity of 94 dB. Klipsch RP-404C II has an MSRP of 599$.
What size of room is the Klipsch RP-404C II speaker good for?
The size of the room in which you are planning to use the Klipsch RP-404C II is an important decision factor. Here we have evaluated its suitability to various sizes of environments considering its size and max power parameters:
| Listening Environment* |
Suitability |
| Near-field | Poor |
| Small Room | Average |
| Mid-size Room | Good |
| Large Room | Average |
| Very Large Room | Poor |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
Klipsch replaced the older RP-404C with this model. Follow the link to read our detailed comparison of these models:
Compare Klipsch RP-404C II vs Klipsch RP-404C
What are the speakers in Klipsch's Reference Premiere (RP) II Series?
RP-404C II is a member of Klipsch's Reference Premiere (RP) II series of Passive speakers. Below you can see the main specs of these speakers.
Klipsch Reference Premiere (RP) II Series Speakers
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What is the Frequency Response of the Klipsch RP-404C II speaker?
Klipsch RP-404C II has a Frequency response range of 87-25k Hz at ±3dB and Power Range of up to 125 watts.
Here we have a comparison of how RP-404C II's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Center Channel Speakers
High Frequency
Center Channel Speakers
Klipsch RP-404C II's titanium Tractrix Horn Tweeter
What is the Crossover frequency of Klipsch RP-404C II?
The Crossover frequency of the RP-404C II is set to 1900 Hz. This is the threshold frequency where the higher frequency signals over this level are sent to the tweeter and the lower-frequency signals are sent to the woofer by the crossover component.
What are the Impedance and Sensitivity of the Klipsch RP-404C II? Is it an easy-to-drive speaker?
Klipsch RP-404C II's nominal impedance level is
8 ohms and has a sensitivity of
94 dB.
Sensitivity
Center Channel Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Klipsch Reference Premiere RP-404C II is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
94dB of Klipsch Reference Premiere RP-404C II is considered a high sensitivity compared to average stereo speaker which makes RP-404C II an easy to drive from Sensitivity perspective. If you are planning to power your speaker with a Tube amp which are generally very low power, the Klipsch RP-404C II will be a good choice.
Check the amplifiers that are in a similar price range to the Klipsch RP-404C II:
Input Type
RP-404C II features Binding post type connectors. Bi-amping and Bi-wiring are not possible.
Klipsch RP-404C II Back View
Klipsch RP-404C II External Dimensions and Weight
Klipsch RP-404C II has external dimensions of (Height x Width x Depth) 5-3/4 x 26-7/8 x 6-1/2inch (147.0 x 683.0 x 166.0mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of Klipsch RP-404C II is approximately 1133.8cm2 / 175.7inch2.
To get a better perspective on the real life size of Klipsch RP-404C II, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).
Klipsch RP-404C II Speaker Size Compared to a Compact Disc
WeightThe Klipsch RP-404C II weighs 9.20kg / 20.2lbs per piece. Here is a comparison of how RP-404C II's weight compares with the average, max and min weights in its class.
Weight
All Center Channel Speakers
Weight
Center Channel Speakers under $750
How does the Klipsch RP-404C II compare to the Klipsch Reference Premiere RP-504C II?
One of the natural alternative to the Klipsch RP-404C II is the RP-504C II which is located one step higher in Klipsch's Passive Center Channel selection.
Here is a scaled size comparison of these two speakers to give you an idea how their external dimensions compare:
Comparison image of Klipsch RP-404C II and Klipsch RP-504C II Size and External Dimensions
Check the Detailed Comparison of Klipsch RP-404C II vs RP-504C II for more details.
Cabinet type and Materials
Klipsch RP-404C II has a
Acoustic Suspension type cabinet and a MDF/Wood-grain vinyl finish. Acoustic Suspension loudspeakers aka Sealed speakers have no openings such as ports or slots.. They can be designed smaller, the bass is more accurate and tighter compared to ported designs but doesn't go as low on the lower end in general.
Klipsch RP-404C II - Side View
Speaker Feet
Klipsch RP-404C II comes with
Cork pads which you can use to secure your loudspeaker on the surface that you are putting on. It is always recommended to use some kind of feet under all types of speakers. Besides limiting the movement of the speakers, it also compensates for non-flat surfaces and limits the contact surface area of the speaker. Rubber based feet also help isolating the vibrations within certain frequency ranges.
Available colors
Klipsch RP-404C II is available in Walnut and Black.
Does the Klipsch RP-404C II come with a Grille?
RP-404C II comes with magnetic grilles in black color choices. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible. Since the included grille of the RP-404C II is magnetic type, it is very easy to put it on and off.
Klipsch RP-404C II with Grille
What's in the Box of Klipsch RP-404C II?
Here are the items that are included inside the box of RP-404C II:
Center channel loudspeakerGrilleUser ManualImportant Safety InstructionsWarranty Information
Recommended Accessories
Here is a list of accessories that we think you may need for the Klipsch Reference Premiere RP-404C II.
User's Manual
For more information about how to setup, use and maintain the Klipsch Reference Premiere RP-404C II, use the direct link below to download the official manual document:
Download User Manual for Klipsch RP-404C II
Official Product Page
Official manufacturer's product page for the Klipsch Reference Premiere RP-404C II speaker can be found below:
Official Product Page for Klipsch RP-404C II
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.
Klipsch RP-404C II Lifestyle