Polk Audio Reserve R900 is a 2-way Passive Surround speaker by Polk Audio. It was released in 2022. It features a 0.75" Ring Radiator Tweeter and 1 x 4" Woofer. The speaker has a frequency range of 70-32k Hz and a sensitivity of 85.5 dB. Polk Audio Reserve R900 has an MSRP of 599$ per pair but can often be found around 0$ per pair.
Polk Audio's Reserve Series of Loudspeakers
Reserve R900 is a member of Polk Audio's Reserve series of Passive speakers. The Reserve range is Polk Audio's high-value step-up line, with Pinnacle tweeter and Power Port technology from the flagship Legend series. Below you can see the main specs of these speakers.
See all 10 Polk Audio Reserve models compared »
Polk Audio Reserve Series Speakers
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Frequency Response of the Polk Audio Reserve R900 Speaker
Polk Audio Reserve R900 has a Frequency response range of 70-32k Hz at ±3dB. With a minimum frequency of 70 Hz, it is hard to expect a strong bass response from Reserve R900 so depending on your use case, using a subwoofer will significantly help to widen the response range.
To focus on the subwoofers that are in a similar price range with Polk Audio Reserve R900, check out the Powered Subwoofers under $750. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how Reserve R900's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Surround Speakers
High Frequency
Surround Speakers
Impedance and Sensitivity
Polk Audio Reserve R900's nominal impedance level is
8 ohms and has a sensitivity of
85.5 dB.
Sensitivity
Surround Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Polk Audio Reserve R900 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
With a sensitivity level of only 86 dB, Polk Audio Reserve R900 is a difficult to drive speaker from Sensitivity perspective, make sure to choose an amplifier with a high output if you like listening to your music at high volume levels. You may especially have a hard time using Tube amplifiers which are traditionally very low power compared to Class A/B or Class D amps.
Check the amplifiers that are in a similar price range to the Polk Audio Reserve R900:
Input Type
Reserve R900 features Binding post type connectors. Bi-amping and Bi-wiring are not possible.
Polk Audio Reserve R900 External Dimensions and Weight
Polk Audio Reserve R900 has external dimensions of (Height x Width x Depth) .
Weight
All Surround Speakers
Weight
Surround Speakers under $750
Available colors
Polk Audio Reserve R900 is available in Black.
Recommended Accessories
Here is a list of accessories that we think you may need for the Polk Audio Reserve R900.
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.