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. Signature Elite (ES) is Polk Audio's affordable modern range of bookshelf, tower and center speakers. Below you can see the main specs of these speakers.
See all 9 Polk Audio Signature Elite models compared »
Polk Audio Signature Elite Series Speakers
Polk Audio Signature Elite Series Speakers
Frequency Response of the Polk Audio Signature Elite ES90 Speaker
Polk Audio Signature Elite ES90 has a Frequency response range of 142-26k Hz. 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.
Here we have a comparison of how Signature Elite ES90's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Surround Speakers
Polk Audio Signature Elite ES90
Thinking about a subwoofer for the 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. Work out how loud the Polk Audio Signature Elite ES90 plays in your room →
What amplifier does the Polk Audio Signature Elite ES90 need?
At normal listening levels in a medium room, about
24–375 W
per channel into 8 ohms.
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Input Type
Signature Elite ES90 features 5-Way post type connectors.
Work out what gauge speaker cable this run needs →
Polk Audio Signature Elite ES90 External Dimensions and Weight
Polk Audio Signature Elite ES90 has external dimensions of (Height x Width x Depth) (188.9 x 190.5 x 308.0mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of Polk Audio Signature Elite ES90 is approximately 586.7cm2 / 90.9inch2.
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WeightThe Polk Audio Signature Elite ES90 weighs 3.76kg / 8.3lbs per piece. Here is a comparison of how Signature Elite ES90's weight compares with the average, max and min weights in its class.
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.