In this review, we will be comparing two different type of speakers by Polk Audio. Polk Audio Monitor XT30 is a Center Channel speaker whereas the Monitor XT90 is a Surround speaker.
Let's have a brief look at the main features
of Polk XT30 and Polk Audio Monitor XT90 first before getting into our more
detailed comparison.
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 )
Polk Audio Monitor XT90 Key Specs
- 1-way Design
- " Tweeter
- 4" Woofer
- 94-22k Hz Frequency Response
- 89 dB Sensitivity
- Impedance: 8ohms
- Weight:kg
- Dimensions (H x W x D): 5-11/16" x 7-9/16" x 8-1/2"
Monitor XT30 and Monitor XT90 are members of Polk Audio's Monitor XT series of speakers. Below you can find the loudspeakers from this series.
In the following sections, we will get into more detail in order to better understand how the Polk XT30 and Polk Audio Monitor XT90 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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Drivers
One of the fundamental differences between these two speakers is that Monitor XT30 is a 2-way design whereas the Monitor XT90 is a 1-way speaker. 3-way designs utilize a midrange driver in addition to the tweeter and woofer on 2-way designs. Designing a crossover for a 3-way speaker is a complicated process and generally increases the overall cost of the speaker.
| Driver |
Polk XT30 |
Polk Audio Monitor XT90 |
|
Driver Setup
|
2-way
|
1-way
|
|
Tweeter
|
1-inch
|
-inch
|
|
Midrange
|
- |
- |
|
Woofer
|
2 x 5.25-inch
|
1 x 4-inch
|
Monitor XT30 features a 1" Terylene High-res dome Tweeter and 2 x 5.25" bi-laminate paper cone Woofer . On the other hand, the Monitor XT90 features a " Tweeter and 1 x 4" Woofer .
Frequency Response
Monitor XT30 has a frequency range of 55-40k Hz whereas Monitor XT90 has a frequency range of 94-22k Hz. With a minimum frequency of 55Hz, the Monitor XT30 can go significantly deeper on the low side and provide stronger bass compared to the Monitor XT90's min frequency of 94Hz.
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 Center Channel class in our database.
Low Frequency
Center Channel Speakers
High Frequency
Center Channel 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
Monitor XT30 and Monitor XT90 have the same Impedance of 8 ohms and their sensitivity is also same at 89 dB.
Sensitivity
Center Channel Speakers
Input Type and Bi-Amping / Bi-Wiring
Monitor XT30 features 5-Way post type posts and Monitor XT90 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 XT30's and Polk Audio Monitor XT90's external dimensions. 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) whereas Polk Audio Monitor XT90 has external dimensions of ( ) .
Polk XT30 is clearly the larger of the two speakers. Its body is 485mm wider, 166mm taller and 208mm deeper than Polk Audio Monitor XT90.
What's in the Box of Polk XT30?
Here are the items that are included inside the box of Monitor XT30:
- Center-channel loudspeaker
- Grille (attached)
- 4 Self-adhesive rubber feet
- Owners Manual
- Online Product Registration
- Wall-Mount Template