In this review, we will be comparing two different type of speakers by Polk Audio. Polk Audio Reserve R900 is a Surround speaker whereas the Reserve R350 is a Center Channel speaker.
Let's have a brief look at the main features
of Polk Audio Reserve R900 and Polk Audio Reserve R350 first before getting into our more
detailed comparison.
Polk Audio Reserve R900 Key Specs
- 2-way Design
- 0.75" Ring Radiator Tweeter
- 4" Woofer
- 70-32k Hz Frequency Response
- 85.5 dB Sensitivity
- Impedance: 8ohms
- Weight:kg
- Dimensions (H x W x D): 6-1/4" x 6-9/16" x 12-5/8"
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"
Reserve R900 and Reserve R350 are members of Polk Audio's Reserve series of speakers. Below you can find the loudspeakers from this series.
Polk Audio Reserve Series
History
In the following sections, we will get into more detail in order to better understand how the Polk Audio Reserve R900 and Polk Audio Reserve R350 compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.
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Drivers
Both Reserve R900 and Reserve R350 are 2-way speakers.
| Driver |
Polk Audio Reserve R900 |
Polk Audio Reserve R350 |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
0.75-inch
|
1-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
1 x 4-inch
|
4 x 4-inch
|
Reserve R900 features a 0.75" Ring Radiator Tweeter and 1 x 4" Woofer . On the other hand, the Reserve R350 features a 1" Ring Radiator Tweeter and 4 x 4" Woofer .
Frequency Response
Reserve R900 has a frequency range of 70-32k Hz whereas Reserve R350 has a frequency range of 75-35k Hz. With a minimum frequency of 70Hz, the Reserve R900 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 Surround class in our database.
Low Frequency
Surround Speakers
High Frequency
Surround 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
Reserve R900 and Reserve R350 have the same Impedance of 8 ohms but where they differ is the sensitivity levels. Reserve R900 sensitivity is rated at 85.5 dB and the Reserve R350's is at 87 dB. This 1 dB difference makes the Polk Audio Reserve R350 a more sensitive speaker compared to Polk Audio Reserve R900, hence will play louder with the same amount of watts.
Sensitivity
Surround Speakers
Input Type and Bi-Amping / Bi-Wiring
Reserve R900 features Binding post type posts and Reserve R350 has a Binding post 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 Polk Audio Reserve R900's and Polk Audio Reserve R350's external dimensions. Polk Audio Reserve R900 has external dimensions of ( ) whereas Polk Audio Reserve R350 has external dimensions of ( ) .
In this case, we can see that Polk Audio Reserve R900 and Polk Audio Reserve R350 have the exact same height, width and thickness.