Polk Audio Signature Elite ES90 is a 2-way Passive Surround speaker by Polk Audio. It was released in August 2021. It features a 1" Soft-Dome Tweeter and 1 x 5.25" Woofer. The speaker has a frequency range of 142-26k Hz and a sensitivity of 85 dB. Polk Audio Signature Elite ES90 has an MSRP of 405$ per pair but can often be found around 0$ per pair.
Polk Audio's Signature Elite Series of Loudspeakers
Signature Elite ES90 is a member of Polk Audio's Signature Elite series of Passive speakers. Below you can see the main specs of these speakers.
Polk Audio Signature Elite Series Speakers
Polk Audio Signature Elite Series Speakers
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Frequency Response of the Polk Audio Signature Elite ES90 Speaker
Polk Audio Signature Elite ES90 has a Frequency response range of 142-26k Hz at ±3dB. With a minimum frequency of 142 Hz, it is hard to expect a strong bass response from Signature Elite ES90 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 Signature Elite ES90, check out the Powered Subwoofers under $500. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how Signature Elite ES90'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
Polk Audio Signature Elite ES90
High Frequency
Surround Speakers
Polk Audio Signature Elite ES90
Impedance and Sensitivity
Polk Audio Signature Elite ES90's nominal impedance level is
8 ohms and has a sensitivity of
85 dB.
Sensitivity
Surround Speakers
Polk Audio Signature Elite ES90
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Polk Audio Signature Elite ES90 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
With a sensitivity level of only 85 dB, Polk Audio Signature Elite ES90 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 Signature Elite ES90:
Input Type
Signature Elite ES90 features 5-Way post type connectors. Bi-amping and Bi-wiring are not possible.
Polk Audio Signature Elite ES90 External Dimensions and Weight
Polk Audio Signature Elite ES90 has external dimensions of (Height x Width x Depth) .
Weight
All Surround Speakers
Polk Audio Signature Elite ES90
Weight
Surround Speakers under $500
Polk Audio Signature Elite ES90
Available colors
Polk Audio Signature Elite ES90 is available in Black.
Recommended Accessories
Here is a list of accessories that we think you may need for the Polk Audio Signature Elite ES90.
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.