In this review, we will be comparing D8is In Wall or On Wall and KC62, two Powered Subwoofer speakers from Perlisten and KEF. Being Powered subwoofers, they both have built-in amplifiers so you don't need an external power amp or an integrated amp to power them. Let's have a brief look at the main features of Perlisten D8is In Wall or On Wall and KEF KC62 first before getting into our more detailed comparison.
The sections below take each area in turn: driver and amplifier, frequency response, physical size and connectivity.
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Drivers
The efficiency of a subwoofer is directly proportional to the total radiating are squared hence the woofer quantity and diameter.Perlisten D8is In Wall or On Wall and KEF KC62 have a totally different setup: the Perlisten D8is In Wall or On Wall features x -inch drivers whereas the KC62 features 2 x 6.5-inch drivers.
Frequency Response
D8is In Wall or On Wall has a frequency range of 20-290 Hz whereas KC62 has a frequency range of 11-200 Hz. With a minimum frequency of 11Hz, the KC62 can go significantly deeper on the low side and provide stronger bass compared to the D8is In Wall or On Wall's min frequency of 20Hz.
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 Subwoofer class in our database.
Low Frequency
Subwoofer Speakers
Perlisten D8is In Wall or On Wall
High Frequency
Subwoofer Speakers
Perlisten D8is In Wall or On Wall
Cabinet Type
The Perlisten D8is In Wall or On Wall has a Bass Reflex type cabinet. Bass Reflex type subwoofers (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. On the other hand the KEF KC62 have Acoustic Suspension type enclosure. Acoustic Suspension aka Sealed type subwoofers have enclosures that are sealed hence no ports or holes exists on the cabinet. Sealed designs helps to provide more accurate and tight bass responses compared to ported designs.
Physical Specs
The size of a speaker can sometimes be an important decision factor due to space constraints or in some cases purely for esthetic reasons. In this section, we are going to compare Perlisten D8is In Wall or On Wall's and KEF KC62's external dimensions. Perlisten D8is In Wall or On Wall has external dimensions of () whereas KEF KC62 has external dimensions of 245.0 x 258.0 x 281.0mm (9-5/8inch x 10-1/8inch x 11-1/16inch).
KEF KC62 is clearly the larger of the two speakers. Its body is 258mm wider, 245mm taller and 281mm deeper than Perlisten D8is In Wall or On Wall.
Weight Comparison The weight of a subwoofer may become an important factor if you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. The Perlisten D8is In Wall or On Wall weighs 103.80kg / 228.4lbs and the KEF KC62 weighs 14.05kg / 30.9lbs. This makes the D8is In Wall or On Wall 639% heavier than the KC62.
Here is a comparison of how D8is In Wall or On Wall and KC62's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
Perlisten D8is In Wall or On Wall
 High Frequency Response |
290k Hz
vs
200k Hz
|
Generates higher frequency |
 Height |
0mm
vs
245mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
0cm2
vs
725cm2
|
Takes less floor space |
 Woofer Size |
6.5 inches
vs
inches
|
Larger woofer |
| Low Frequency Response |
11 Hz
vs
20 Hz
|
Generates deeper bass |
 Price per pair* |
1500USD
vs
21995USD
|
costs less (*prices may change depending on the seller, location and time) |
| General |
Perlisten D8is In Wall or On Wall |
KEF KC62 |
| Brand |
Perlisten |
KEF |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Frequency Response |
20-290 Hz |
11-200 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
n/a |
1000-watt RMS |
Drivers |
|
|
| Woofer Quantity |
|
2 |
| Woofer Size |
" |
6.5" |
| Woofer Composition |
|
|
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
n/a |
side |
Physical Specs |
|
|
| Height |
mm (0") |
245.0mm (9.6") |
| Width |
mm (0") |
258.0mm (10.2") |
| Depth |
mm (0") |
281.0mm (11.1") |
| Weight |
103.80kg (228.4lbs) |
14.05kg (30.9lbs) |
| Enclosure |
Bass Reflex |
Acoustic Suspension |
| Grille |
Yes |
n/a |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
|
2 Years |
| Labor Warranty |
|
2 Years |