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Polk Audio Reserve R350 vs Polk R100 Comparison

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Speaker to replace
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Polk Audio Reserve R350

Passive Center Channel | 75-35k Hz

Polk Audio Reserve R350
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Polk R100

Passive Bookshelf | 58-39k Hz

Polk Audio Reserve R100
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Polk Audio Reserve R350 Polk Audio Reserve R...
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Polk R100 Polk R100
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Polk Audio Reserve R...
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Polk R100
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Polk Audio Reserve R350 vs Polk R100 Speaker Comparison

In this review, we will be comparing two different type of speakers by Polk Audio. Polk Audio Reserve R350 is a Center Channel speaker whereas the R100 is a Bookshelf speaker.

Let's have a brief look at the main features of Polk Audio Reserve R350 and Polk R100 first before getting into our more detailed comparison.

Polk Audio Reserve R350 Key Specs

  • 2-way Design
  • 1" Ring Radiator Tweeter
  • 4 x 4" Woofer
  • 75-35k Hz Frequency Response
  • 87 dB Sensitivity
  • Impedance: 8ohms
  • Weight:kg
  • Dimensions (H x W x D): 5-9/16" x 30" x 7-1/4"

Polk R100 Key Specs

  • 2-way Design
  • 1" Pinnacle Ring Radiator Tweeter
  • 5.25" Polypropylene Turbine Cone Woofer
  • 58-39k Hz Frequency Response
  • 86 dB Sensitivity
  • Impedance: 8ohms
  • Power Range:30-150watts
  • Weight:5.55kg
  • Dimensions (H x W x D): 12-13/16" x 6-9/16" x 10-3/16" ( 326.0 x 167.0 x 259.0mm )

Reserve R350 and R100 are members of Polk Audio's Reserve series of speakers. Below you can find the loudspeakers from this series.

Polk Audio Reserve Series History
Model Body Frequency SensitivityImpedance Woofer
Polk R700
  
Floor-standing 38-38k Hz 88 dB8Ω 2 x 8"
Polk R600
  
Floor-standing 43-38k Hz 87.5 dB8Ω 2 x 6.5"
Polk R500
  
Floor-standing 49-38k Hz 87 dB8Ω 2 x 5.25"
Polk R200
  
Bookshelf 51-38k Hz 86 dB8Ω 1 x 6.5"
Polk R100
Bookshelf 58-39k Hz 86 dB8Ω 1 x 5.25"
Polk R400
  
Center Channel 48-39K Hz 89 dB8Ω 2 x 6.5"
Polk R300
  
Center Channel 65-38k Hz 86.5 dB8Ω 2 x 5.25"
Polk R200 50th AE
  
Bookshelf 51-38k Hz 86 dB8Ω 1 x 6.5"
Polk Audio Reserve R350
Center Channel 75-35k Hz 87 dB8Ω 4 x 4"
Polk Audio Reserve R900
  
Surround 70-32k Hz 85.5 dB8Ω 1 x 4"

In the following sections, we will get into more detail in order to better understand how the Polk Audio Reserve R350 and Polk R100 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 Reserve R350 and R100 are 2-way speakers.

Driver Polk Audio Reserve R350 Polk R100
Driver Setup 2-way 2-way
Tweeter 1-inch 1-inch
Midrange - -
Woofer 4 x 4-inch 1 x 5.25-inch

Reserve R350 features a 1" Ring Radiator Tweeter and 4 x 4" Woofer . On the other hand, the R100 features a 1" Pinnacle Ring Radiator Tweeter and 1 x 5.25" Polypropylene Turbine Cone Woofer with a Crossover frequency at 2700Hz.

Frequency Response

Reserve R350 has a frequency range of 75-35k Hz whereas R100 has a frequency range of 58-39k Hz. With a minimum frequency of 58Hz, the R100 can go significantly deeper on the low side and provide stronger bass compared to the Reserve R350's min frequency of 75Hz.

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

Reserve R350
R100
Min
Average
Max
High Frequency

Center Channel Speakers

Polk Audio Reserve R350
Polk R100
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

Reserve R350 and R100 have the same Impedance of 8 ohms but where they differ is the sensitivity levels. Reserve R350 sensitivity is rated at 87 dB and the R100's is at 86 dB. This 1 dB difference makes the Polk Audio Reserve R350 a more sensitive speaker compared to Polk R100, hence will play louder with the same amount of watts.

Sensitivity

Center Channel Speakers

Reserve R350
R100
Min
Average
Max

Input Type and Bi-Amping / Bi-Wiring

Reserve R350 features Binding post type posts and R100 has a Binding post type posts. None of these speakers feature bi-amping/bi-wiring.

Polk R100 Terminals
Polk R100's Binding post terminals

Polk R100  Port
Polk R100 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 Polk Audio Reserve R350's and Polk R100's external dimensions. Polk Audio Reserve R350 has external dimensions of ( ) whereas Polk R100 has external dimensions of 326.0 x 167.0 x 259.0mm ( 12-13/16 x 6-9/16 x 10-3/16inch) .

Polk R100 is clearly the larger of the two speakers. Its body is 167mm wider, 326mm taller and 259mm deeper than Polk Audio Reserve R350.

What's in the Box of Polk R100?

Here are the items that come with the R100:
  • 2 Bookshelf loudspeakers
  • 2 Grilles
  • Owners Manual
  • Online Registration


Reasons to choose Polk Audio Reserve R350 over Polk Audio Reserve R100
Sensitivity 87 dB vs 86 dB Play louder with same amount of amplification power
Number of Woofers 4 vs 1 More woofers
High Frequency Response 35000k Hz vs 39k Hz Generates higher frequency
Height 0mm vs 326mm Easier to fit in smaller spaces
Base Surface Area 0cm2 vs 432cm2 Takes less floor space

Reasons to choose Polk Audio Reserve R100 over Polk Audio Reserve R350

Woofer Size 5.25 inches vs 4 inches Larger woofer
Low Frequency Response 58 Hz vs 75 Hz Generates deeper bass
Polk Audio Reserve R350 vs Polk R100 Specs Table
Detailed comparison of specifications
General Polk Audio Reserve R350 Polk Audio Reserve R100
Brand Polk Audio Polk Audio
Speaker Type Center channel speaker Bookshelf speakers
Sensitivity 87 dB 86 dB
Impedance 8 ohms 8 ohms
Impedance n/a 3.6 ohms
Frequency Response 75-35k Hz 58-39k Hz
Drivers
Woofer Quantity 4 1
Woofer Size 4" 5.25"
Woofer Composition Polypropylene Turbine Cone
Woofer Surround Material n/a Rubber
Tweeter Size 1" 1"
Tweeter Type Ring Radiator Pinnacle Ring Radiator
Aimable Tweeter No No
Midrange Driver No No
Crossover Frequency n/a 2700Hz
Firing Direction n/a rear
Physical Specs
Height mm (0") 326.0mm (12.8")
Width mm (0") 167.0mm (6.6")
Depth mm (0") 259.0mm (10.2")
Weight n/a 5.55kg (12.2lbs)
Enclosure Bass Reflex
Finish n/a MDF/Vinyl
Available Colors Brown Black, Walnut, White
Mounting Bracket No
Recommended Stand Height n/a 24-28"
Grille n/a Yes
Moisture Resistancy No No
Connections
Biamp Inputs n/a No
Other
Parts Warranty 5 Years 5 Years
Labor Warranty 5 Years 5 Years

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