In this review, we will be comparing R-34C and ES35, two Passive Center Channel speakers from Klipsch and Polk Audio.
Let's have a brief look at the main features
of Klipsch R-34C and Polk ES35 first before getting into our more
detailed comparison.
Klipsch R-34C Key Specs
- 2-way Design
- 1" Tractrix horn Tweeter
- 4 x 3.5" copper spun IMG Woofer
- 82-21k Hz Frequency Response
- 96 dB Sensitivity
- Impedance: 8ohms
- Power Range:up to 100watts
- Weight:5.91kg
- Dimensions (H x W x D): 126.0" x 26-1/16" x 6-1/4"( 126.0 x 662.0 x 159.0mm )
Polk ES35 Key Specs
- 2-way Design
- 1" High-res dome Tweeter
- 6 x 3" mica-reinforced polypropylene Dynamic Balance Woofer
- 66-40k Hz Frequency Response
- 89 dB Sensitivity
- Impedance: 8ohms
- Power Range:20-150watts
- Weight:6.36kg
- Dimensions (H x W x D): 107.0" x 24-7/16" x 6-1/16"( 107.0 x 621.0 x 154.0mm )
What size room are the Klipsch R-34C and Polk ES35 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-34C |
Polk ES35 |
| Near-field |
Average |
Poor |
| Small Room |
Good |
Average |
| Mid-size Room |
Average |
Good |
| Large Room |
Poor |
Average |
| Very Large Room |
Bad |
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.)
In the following sections, we will get into more detail in order to better understand how the Klipsch R-34C and Polk ES35 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-34C and ES35 are 2-way speakers.
| Driver |
Klipsch R-34C |
Polk ES35 |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
1-inch
|
1-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
4 x 3.5-inch
|
6 x 3-inch
|
R-34C features a 1" aluminum Tractrix horn Tweeter and 4 x 3.5" copper spun IMG Woofer . On the other hand, the ES35 features a 1" Terylene High-res dome Tweeter and 6 x 3" mica-reinforced polypropylene Dynamic Balance Woofer .
Frequency Response
R-34C has a frequency range of 82-21k Hz whereas ES35 has a frequency range of 66-40k Hz. With a minimum frequency of 66Hz, the ES35 can go significantly deeper on the low side and provide stronger bass compared to the R-34C's min frequency of 82Hz.
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 Center Channel class in our database.
Low Frequency
Center Channel Speakers
High Frequency
Center Channel Speakers
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-34C and ES35 have the same Impedance of 8 ohms but where they differ is the sensitivity levels. R-34C sensitivity is rated at 96 dB and the ES35's is at 89 dB. This 7 dB difference makes the Klipsch R-34C a more sensitive speaker compared to Polk ES35, hence will play louder with the same amount of watts.
Sensitivity
Center Channel Speakers
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-34C can handle a max power of 150 watts RMS from the amp the whereas R-34C has a max power handling value of 100 watts RMS , 50 watts less than the ES35.
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-34C features 5-Way post type posts and ES35 has a 5-Way post type posts. None of these speakers feature bi-amping/bi-wiring.
Klipsch R-34C's Binding post terminals
Polk ES35's 5-Way post terminals
Polk ES35 Port
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-34C's and Polk ES35's external dimensions. Klipsch R-34C has external dimensions of 126.0 x 662.0 x 159.0mm ( 4-15/16 x 26-1/16 x 6-1/4inch) whereas Polk ES35 has external dimensions of 107.0 x 621.0 x 154.0mm ( 4-3/16 x 24-7/16 x 6-1/16inch) .
Klipsch R-34C is clearly the larger of the two speakers. Its body is 41mm wider, 19mm taller and 5mm deeper than Polk ES35.
Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base surface area of the Klipsch R-34C is approximately 1052.6cm2 / 163.2inch2 and base area of the Polk ES35 is approximately 956.3cm2 / 148.2inch2. The R-34C requires 10% more surface area than the ES35 which gives it a small disadvantage on placement in tight spaces.
Weight Comparison The weight of a loudspeaker can become an important factor if you need to move and reposition the unit often. Weight of a speaker can also "sometimes" be an indicator of the rigidity of the enclosure and the quality of the internal components used. The Klipsch R-34C weighs 5.91kg / 13lbs and the Polk ES35 weighs 6.36kg / 14lbs. This makes the ES35 8% heavier than the R-34C.
Here is a comparison of how R-34C and ES35's weights compare with the average, max and min weights in Passive Center Channel class.
Weight
All Center Channel Speakers
What's in the Box of Klipsch R-34C?
Here are the items that are included inside the box of R-34C:
Center-channel loudspeakerGrille (installed)8 Self-adhesive rubber feetQuick Setup GuideImportant Safety InstructionsWarranty Information
What's in the Box of Polk ES35?
Here are the items that come with the ES35:
LCR loudspeakerGrille (attached)4 Self-adhesive rubber feetWall-mount templateOwners ManualOnline Product Registration
 Sensitivity |
96 dB
vs
89 dB
|
Play louder with same amount of amplification power |
 Woofer Size |
3.5 inches
vs
3 inches
|
Larger woofer |
 Max Input Power |
150 watts
vs
100 watts
|
Handle more power from your amplifier |
|
Number of Woofers |
6
vs
4
|
More woofers |
|
Low Frequency Response |
66 Hz
vs
82 Hz
|
Generates deeper bass |
 High Frequency Response |
40k Hz
vs
21k Hz
|
Generates higher frequency |
 Height |
107mm
vs
126mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
956cm2
vs
1052cm2
|
Takes less floor space |
| General |
Klipsch Reference R-34C |
Polk Audio Signature Elite ES35 |
| Brand |
Klipsch |
Polk Audio |
| Speaker Type |
Center channel speaker |
Low-profile center channel speaker |
| Power Range |
up to 100 watts |
20-150 watts |
| Sensitivity |
96 dB |
89 dB |
| Impedance |
8 ohms |
8 ohms |
| Frequency Response |
82-21k Hz |
66-40k Hz |
Drivers |
|
|
| Woofer Quantity |
4 |
6 |
| Woofer Size |
3.5" |
3" |
| Woofer Composition |
copper spun IMG |
mica-reinforced polypropylene Dynamic Balance |
| Tweeter Size |
1" |
1" |
| Tweeter Type |
Tractrix horn |
High-res dome |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
N/A" |
N/A" |
| Firing Direction |
n/a |
rear |
Physical Specs |
|
|
| Height |
126.0mm (5") |
107.0mm (4.2") |
| Width |
662.0mm (26.1") |
621.0mm (24.4") |
| Depth |
159.0mm (6.3") |
154.0mm (6.1") |
| Weight |
5.91kg (13lbs) |
6.36kg (14lbs) |
| Enclosure |
Bass Reflex |
Bass Reflex |
| Finish |
textured wood grain viny |
MDF, Wood-grain vinyl |
| Available Colors |
Black |
Black, Walnut, White |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
5 Years |
5 Years |
| Labor Warranty |
5 Years |
5 Years |