In this review, we will be comparing two different type of speakers by Polk Audio. Polk Audio Monitor XT20 is a Bookshelf speaker whereas the Monitor XT30 is a Center Channel speaker.
Let's have a brief look at the main features
of Polk XT20 and Polk XT30 first before getting into our more
detailed comparison.
Polk XT20 Key Specs
- 2-way Design
- 1" Soft-Dome Tweeter
- 6.5" Bi-laminate paper Woofer
- 38-40k Hz Frequency Response
- 87 dB Sensitivity
- Impedance: 8ohms
- Power Range:30-200watts
- Weight:5.45kg
- Dimensions (H x W x D): 13-1/16" x 7-9/16" x 11-1/16" ( 332.0 x 193.0 x 281.0mm )
Polk XT30 Key Specs
- 2-way Design
- 1" High-res dome Tweeter
- 2 x 5.25" bi-laminate paper cone Woofer
- 55-40k Hz Frequency Response
- 89 dB Sensitivity
- Impedance: 8ohms
- Power Range:30-200watts
- Weight:5.91kg
- Dimensions (H x W x D): 6-1/2" x 19-1/16" x 8-3/16" ( 166.0 x 485.0 x 208.0mm )
XT20 and Monitor XT30 are members of Polk Audio's Monitor XT series of speakers. Below you can find the loudspeakers from this series.
What size room are the Polk XT20 and Polk XT30 speakers good for?
The size of the room in which you are planning to use these loudspeakers is an important decision
factor. Here we have compared their suitability to various sizes of environments considering their size
and max power parameters:
| Listening Environment* |
Polk XT20 |
Polk XT30 |
| Near-field |
Poor |
Poor |
| Small Room |
Average |
Average |
| Mid-size Room |
Good |
Good |
| Large Room |
Average |
Average |
| Very Large Room |
Poor |
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.)
In the following sections, we will get into more detail in order to better understand how the Polk XT20 and Polk XT30 compare and hopefully end up with enough arguments to decide which one of these loudspeakers is the better choice for you.
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through my links. As an Amazon Associate I earn from qualifying purchases.
Drivers
Both XT20 and Monitor XT30 are 2-way speakers.
| Driver |
Polk XT20 |
Polk XT30 |
|
Driver Setup
|
2-way
|
2-way
|
|
Tweeter
|
1-inch
|
1-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
1 x 6.5-inch
|
2 x 5.25-inch
|
XT20 features a 1" Soft-Dome Tweeter and 1 x 6.5" Bi-laminate paper Woofer . On the other hand, the Monitor XT30 features a 1" Terylene High-res dome Tweeter and 2 x 5.25" bi-laminate paper cone Woofer .
Frequency Response
XT20 has a frequency range of 38-40k Hz whereas Monitor XT30 has a frequency range of 55-40k Hz. With a minimum frequency of 38Hz, the XT20 can go significantly deeper on the low side and provide stronger bass compared to the Monitor XT30's min frequency of 55Hz.
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 Bookshelf class in our database.
Low Frequency
Bookshelf Speakers
High Frequency
Bookshelf 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
XT20 and Monitor XT30 have the same Impedance of 8 ohms but where they differ is the sensitivity levels. XT20 sensitivity is rated at 87 dB and the Monitor XT30's is at 89 dB. This 2 dB difference makes the Polk XT30 a more sensitive speaker compared to Polk XT20, hence will play louder with the same amount of watts.
Sensitivity
Bookshelf Speakers
Power Range
Power
range is the range of input power in watts RMS that a loudspeaker is designed to handle. While using
an amplifier within this range ensures the nominal performance , inputting a power that is higher than the
max wattage can result in a damaged speaker.
XT20 and Monitor XT30 has the same power range of 30-200 watts.
Keep in mind that a higher max power handling value doesn't necessarily make that a louder speaker
compared to a lower max handling speaker. Loudness or the sound level is also impacted by parameters
such as Impedance, sensitivity and system efficiencies.
Input Type and Bi-Amping / Bi-Wiring
XT20 features 5-Way post type posts and Monitor XT30 has a 5-Way post type posts. None of these speakers feature bi-amping/bi-wiring.
Polk XT30's 5-Way 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 XT20's and Polk XT30's external dimensions. Polk XT20 has external dimensions of 332.0 x 193.0 x 281.0mm ( 13-1/16 x 7-9/16 x 11-1/16inch) whereas Polk XT30 has external dimensions of 166.0 x 485.0 x 208.0mm ( 6-1/2 x 19-1/16 x 8-3/16inch) .
Polk XT30 is 166mm shorter and 73mm less deeper than Polk XT20 but it is also 292mm wider.
Base Surface Area Comparison
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base surface area of the Polk XT20 is approximately 542.3cm2 / 84.1inch2 and base area of the Polk XT30 is approximately 1008.8cm2 / 156.4inch2. The XT20 requires 46% less surface area than the Monitor XT30 which gives it a small advantage on placement in tight spaces.
What's in the Box of Polk XT20?
Here are the items that are included inside the box of XT20:
- 2 Bookshelf loudspeakers
- 2 Grilles (attached)
- 8 Self-adhesive rubber feet
- Owners Manual
- Online Product Registration
What's in the Box of Polk XT30?
Here are the items that come with the Monitor XT30:
- Center-channel loudspeaker
- Grille (attached)
- 4 Self-adhesive rubber feet
- Owners Manual
- Online Product Registration
- Wall-Mount Template