Polk Audio Signature Elite ES30 is a 2-way Passive Bass Reflex Center Channel speaker by Polk Audio. Center channel speaker is an important component of a home theater system set-up as it delivers the listener significant part of the on-screen dialogue from your television. It features a 1" High-res dome Tweeter and 2 x 5.5" mica-reinforced polypropylene Dynamic Balance Woofer. The speaker has a frequency range of 55-40k Hz and a sensitivity of 89 dB. Polk ES30 has an MSRP of 299$ but can often be found around 239$ per pair.
What size of room is the Polk ES30 speaker good for?
The size of the room in which you are planning to use the Polk ES30 is an important decision factor. Here we have evaluated its suitability to various sizes of environments considering its size and max power parameters:
| Listening Environment* |
Suitability |
| Near-field | Poor |
| Small Room | Average |
| Mid-size Room | Good |
| Large Room | Average |
| Very Large Room | Poor |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
What are the speakers in Polk Audio's Signature Elite Series?
ES30 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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What is the Frequency Response of the Polk ES30 speaker?
Polk ES30 has a Frequency response range of 55-40k Hz at ±3dB and Power Range of 20-125 watts.
Here we have a comparison of how ES30's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Center Channel Speakers
High Frequency
Center Channel Speakers
What are the Impedance and Sensitivity of the Polk ES30? Is it an easy-to-drive speaker?
Polk ES30's nominal impedance level is
8 ohms and has a sensitivity of
89 dB.
Sensitivity
Center Channel Speakers
8 Ohms is pretty much the standard nominal impedance amongst stereo speakers and amplifiers so Polk Audio Signature Elite ES30 is not considered a difficult to drive speaker from nominal Impedance perspective.
Sensitivity
89dB of Polk Audio Signature Elite ES30 is an average sensitivity for stereo speaker so it is neither easy nor difficult to drive Sensitivity wise.
Check the amplifiers that are in a similar price range to the Polk ES30:
Input Type
ES30 features 5-Way post type connectors. Bi-amping and Bi-wiring are not possible.
Polk ES30 Back View
Polk ES30 External Dimensions and Weight
Polk ES30 has external dimensions of (Height x Width x Depth) 7-1/2 x 20-1/16 x 10-5/8inch (191.0 x 510.0 x 270.0mm ).
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 ES30 is approximately 1377.0cm2 / 213.4inch2.
WeightThe Polk ES30 weighs 8.64kg / 19lbs per piece. Here is a comparison of how ES30's weight compares with the average, max and min weights in its class.
Weight
All Center Channel Speakers
Weight
Center Channel Speakers under $300
Cabinet type and Materials
Polk ES30 has a
Bass Reflex type cabinet and a MDF, Wood-grain vinyl finish. Bass Reflex type loudspeakers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed designs.
Speaker Feet
Polk ES30 comes with
4 Self-adhesive rubber feet which you can use to secure your loudspeaker on the surface that you are putting on. It is always recommended to use some kind of feet under all types of speakers. Besides limiting the movement of the speakers, it also compensates for non-flat surfaces and limits the contact surface area of the speaker. Rubber based feet also help isolating the vibrations within certain frequency ranges.
Port Position
Polk ES30 is a rear-firing port speaker so you have to make sure you leave enough space between the back of the speaker and wall or bookshelf so that it has room to breathe.
Polk ES30 Port
Available colors
Polk ES30 is available in Black, Walnut and White.
Does the Polk ES30 come with a Grille?
ES30 comes with magnetic grilles. The purpose of the grille is to protect the delicate driver elements from external impacts while still allowing the sound to pass as clearly as possible. Since the included grille of the ES30 is magnetic type, it is very easy to put it on and off.
Polk ES30 with Grille
What's in the Box of Polk ES30?
Here are the items that are included inside the box of ES30:
Center-channel loudspeakerGrille (attached)4 Self-adhesive rubber feetOwners ManualOnline Product Registration
Warranty
5 Years of parts warranty and 5 Years of labor warranty is generally provided by the manufacturer.