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Klipsch R-5650-W II vs Polk Audio RC55i Comparison

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Klipsch R-5650-W II

Passive In-wall | 52-23kHz

Klipsch R-5650-W II
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Polk Audio RC55i

Passive In-wall | 70-20kHz

Polk Audio RC55i
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Klipsch R-5650-W II Klipsch R-5650-W II
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Polk Audio RC55i Polk Audio RC55i
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Klipsch R-5650-W II
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Polk Audio RC55i
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Klipsch R-5650-W II vs Polk Audio RC55i Speaker Comparison

In this review, we will be comparing R-5650-W II and RC55i, two Passive In-wall speakers from Klipsch and Polk Audio.

Let's have a brief look at the main features of Klipsch R-5650-W II and Polk Audio RC55i first before getting into our more detailed comparison.

Klipsch R-5650-W II Key Specs

  • 2-way Design
  • 1" Horn-loaded dome Tweeter
  • 6.5" Cerametallic Woofer
  • 52-23kHz Frequency Response
  • 93 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:up to 50watts
  • Dimensions (H x W x D): 331.0" x 8.0000" x 3.6875"( 331.0 x 204.0 x 94.0mm )

Polk Audio RC55i Key Specs

  • 2-way Design
  • 0.75" Hard-Dome Tweeter
  • 5.25" Polypropylene Woofer
  • 70-20kHz Frequency Response
  • 89 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:20-100watts
  • Dimensions (H x W x D): 245.0" x 6.1875" x 2.0120"( 245.0 x 158.0 x 52.0mm )

What size room are the Klipsch R-5650-W II and Polk Audio RC55i speakers good for?

The size of the room in which you are planning to use these loudspeakers is an important decision factor. Here we have compared their suitability to various sizes of environments considering their size and max power parameters:

Listening Environment* Klipsch R-5650-W II Polk Audio RC55i
Near-field Good Average
Small Room Good Good
Mid-size Room Average Average
Large Room Poor Poor
Very Large Room No way Bad

(* 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.)

In the following sections, we will get into more detail in order to better understand how the Klipsch R-5650-W II and Polk Audio RC55i compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.


**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.


Drivers

Both R-5650-W II and RC55i are 2-way speakers.

Driver Klipsch R-5650-W II Polk Audio RC55i
Driver Setup 2-way 2-way
Tweeter 1-inch 0.75-inch
Midrange - -
Woofer 1 x 6.5-inch 1 x 5.25-inch

R-5650-W II features a 1" Horn-loaded dome Tweeter and 1 x 6.5" Cerametallic Woofer . On the other hand, the RC55i features a 0.75" Hard-Dome Tweeter and 1 x 5.25" Polypropylene Woofer .

Frequency Response

R-5650-W II has a frequency range of 52-23kHz whereas RC55i has a frequency range of 70-20kHz. With a minimum frequency of 52Hz, the R-5650-W II can go significantly deeper on the low side and provide stronger bass compared to the RC55i's min frequency of 70Hz.

Below graphs depict how these two speakers compare with the max, min and average values of the Min and Max Frequencies of other speakers in the In-wall class in our database.

Low Frequency

In-wall Speakers

R-5650-W II
RC55i
Min
Average
Max
High Frequency

In-wall Speakers

Klipsch R-5650-W II
Polk Audio RC55i
Min
Average
Max

None of these speakers achieves full range experience which is commonly agreed as 20Hz-20kHz. In order to achieve lower lows / deeper bass, we recommend you pair these with a subwoofer. Visit our Powered Subwoofers section to find out more about the available options.

Impedance and Sensitivity

R-5650-W II and RC55i have the same Impedance of 8 ohms but where they differ is the sensitivity levels. R-5650-W II sensitivity is rated at 93 dB and the RC55i's is at 89 dB. This 4 dB difference makes the Klipsch R-5650-W II a more sensitive speaker compared to Polk Audio RC55i, hence will play louder with the same amount of watts.

Sensitivity

In-wall Speakers

R-5650-W II
RC55i
Min
Average
Max

Power Range

Power range is the range of input power in watts RMS that a loudspeaker is designed to handle. While using an amplifier within this range ensures the nominal performance , inputting a power that is higher than the max wattage can result in a damaged speaker.

R-5650-W II can handle a max power of 100 watts RMS from the amp the whereas R-5650-W II has a max power handling value of 50 watts RMS , 50 watts less than the RC55i.

Keep in mind that a higher max power handling value doesn't necessarily make that a louder speaker compared to a lower max handling speaker. Loudness or the sound level is also impacted by parameters such as Impedance, sensitivity and system efficiencies.

Input Type and Bi-Amping / Bi-Wiring

R-5650-W II features Spring clip type posts and RC55i has a Spring clip type posts. None of these speakers feature bi-amping/bi-wiring.

Physical Specs

Size of a speaker can sometimes become an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare Klipsch R-5650-W II's and Polk Audio RC55i's external dimensions. Klipsch R-5650-W II has external dimensions of 331.0 x 204.0 x 94.0mm ( 13.0000-inch x 8.0000-inch x 3.6875-inch) whereas Polk Audio RC55i has external dimensions of 245.0 x 158.0 x 52.0mm ( 9.6250-inch x 6.1875-inch x 2.0120-inch) .

Klipsch R-5650-W II is clearly the larger of the two speakers. Its body is 46mm wider, 86mm taller and 42mm deeper than Polk Audio RC55i.

What's in the Box of Klipsch R-5650-W II?

Here are the items that are included inside the box of R-5650-W II:
  • In-wall speaker
  • White metal mesh grille
  • Cardboard template
  • Owners Manual (En/Fr/Sp)
  • What's in the Box of Polk Audio RC55i?

    Here are the items that come with the RC55i:
  • 2 White in-wall speakers
  • 2 White grilles
  • 1 Cardboard Mounting Template
  • Owners Manual
  • Online registration sheet
  • Product Registration Card

  • Reasons to choose Klipsch R-5650-W II over Polk Audio RC55i
    Sensitivity 93 dB vs 89 dB Play louder with same amount of amplification power
    Woofer Size 6.5 inches vs 5.25 inches Larger woofer
    Low Frequency Response 52 Hz vs 70 Hz Generates deeper bass
    High Frequency Response 23k Hz vs 20k Hz Generates higher frequency

    Reasons to choose Polk Audio RC55i over Klipsch R-5650-W II

    Max Input Power 100 watts vs 50 watts Handle more power from your amplifier
    Height 245mm vs 331mm Easier to fit in smaller spaces
    Base Surface Area 82cm2 vs 191cm2 Takes less floor space
    Price per pair* 129USD vs 398USD costs less (*prices may change depending on the seller, location and time)
    Klipsch R-5650-W II vs Polk Audio RC55i Specs Table
    Detailed comparison of specifications
    General Klipsch R-5650-W II Polk Audio RC55i
    Brand Klipsch Polk Audio
    Speaker Type Passive In-wall Speaker Passive In-wall Speaker
    Power Range up to 50 watts 20-100 watts
    Sensitivity 93 dB 89 dB
    Impedance 8 ohms 8 ohms
    Frequency Response 52-23kHz 70-20kHz
    Drivers
    Woofer Quantity 1 1
    Woofer Size 6.5" 5.25"
    Woofer Composition Cerametallic Polypropylene
    Woofer Surround Material Rubber Rubber
    Tweeter Size 1" 0.75"
    Tweeter Type Horn-loaded dome Hard-Dome
    Aimable Tweeter No Yes
    Midrange Driver N/A" N/A"
    Physical Specs
    Height 331.0mm (13") 245.0mm (9.6")
    Width 204.0mm (8") 158.0mm (6.2")
    Depth 94.0mm (3.7") 52.0mm (2")
    Enclosure In-wall In-wall
    Moisture Resistancy No Yes
    Connections
    Biamp Inputs No No
    Other
    Parts Warranty Ltd. Lifetime Lifetime
    Labor Warranty Ltd. Lifetime Lifetime

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