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 R300 is a Center Channel speaker.
Let's have a brief look at the main features
of Polk Audio Reserve R900 and Polk R300 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 R300 Key Specs
- 2-way Design
- 1" Pinnacle Ring Radiator Tweeter
- 2 x 5.25" Polypropylene Turbine Cone Woofer
- 65-38k Hz Frequency Response
- 86.5 dB Sensitivity
- Impedance: 8ohms
- Power Range:30-200watts
- Weight:7.64kg
- Dimensions (H x W x D): 6-13/16" x 19-1/16" x 8-15/16" ( 174.0 x 485.0 x 228.0mm )
Reserve R900 and R300 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 R300 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 R900 and R300 are 2-way speakers.
| Driver |
Polk Audio Reserve R900 |
Polk R300 |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
0.75-inch
|
1-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
1 x 4-inch
|
2 x 5.25-inch
|
Reserve R900 features a 0.75" Ring Radiator Tweeter and 1 x 4" Woofer . On the other hand, the R300 features a 1" Pinnacle Ring Radiator Tweeter and 2 x 5.25" Polypropylene Turbine Cone Woofer with a Crossover frequency at 2200Hz.
Frequency Response
Reserve R900 has a frequency range of 70-32k Hz whereas R300 has a frequency range of 65-38k Hz. With a minimum frequency of 65Hz, the R300 can go significantly deeper on the low side and provide stronger bass compared to the Reserve R900'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 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 R300 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 R300's is at 86.5 dB. This 1 dB difference makes the Polk R300 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 R300 has a Binding post type posts. None of these speakers feature bi-amping/bi-wiring.
Polk R300's Binding post terminals
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 R300's external dimensions. Polk Audio Reserve R900 has external dimensions of ( ) whereas Polk R300 has external dimensions of 174.0 x 485.0 x 228.0mm ( 6-13/16 x 19-1/16 x 8-15/16inch) .
Polk R300 is clearly the larger of the two speakers. Its body is 485mm wider, 174mm taller and 228mm deeper than Polk Audio Reserve R900.
What's in the Box of Polk R300?
Here are the items that come with the R300:
- Center-channel loudspeaker
- Grille
- Owners Manual
- Online Registration