In this review, we will be comparing Bluesound PULSE SUB and KC62, two Powered Subwoofer speakers from Bluesound 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 Bluesound PULSE SUB and KEF KC62 first before getting into our more detailed comparison.
In the following sections, we will get into details in order to better understand how the Bluesound PULSE SUB and KEF KC62 compare and hopefully end up with enough arguments to decide which one of these subwoofers is the better choice for you.
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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.Bluesound PULSE SUBand KEF KC62 have the same driver set up: Both subwoofers have 2 x 6.5" drivers.
Frequency Response
Bluesound PULSE SUB has a frequency range of whereas KC62 has a frequency range of 11-200 Hz. With a minimum frequency of Hz, the Bluesound PULSE SUB can go significantly deeper on the low side and provide stronger bass compared to the KC62's min frequency of 11Hz.
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
High Frequency
Subwoofer Speakers
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 Bluesound PULSE SUB's and KEF KC62's external dimensions. Bluesound PULSE SUB has external dimensions of 330 x 292 x 315 mm ( ) 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 ) .
Bluesound PULSE SUB is clearly the larger of the two speakers. Its body is 34mm wider, 85mm taller and 34mm deeper than KEF KC62.
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 Bluesound PULSE SUB is approximately 919.8cm2 / 142.6inch2 and base area of the KEF KC62 is approximately 725.0cm2 / 112.4inch2. The Bluesound PULSE SUB requires 27% more surface area than the KC62 which gives it a small disadvantage on placement in tight spaces.
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 Bluesound PULSE SUB weighs 10.00kg / 22lbs and the KEF KC62 weighs 14.05kg / 30.9lbs. This makes the KC62 41% heavier than the Bluesound PULSE SUB.
Here is a comparison of how Bluesound PULSE SUB and KC62's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
 Low Frequency Response |
Hz
vs
11 Hz
|
Generates deeper bass |
 App-Based Control |
BluOS Controller (iOS, Android, Windows, macOS)
vs
None
|
Control the speaker via an app |
 Price per pair* |
1299USD
vs
1500USD
|
costs less (*prices may change depending on the seller, location and time) |
 Ethernet Connection |
Yes
vs
No
|
High quality streaming over Ethernet |
 High Frequency Response |
200k Hz
vs
k Hz
|
Generates higher frequency |
 Height |
245mm
vs
330mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
725cm2
vs
919cm2
|
Takes less floor space |
| General |
Bluesound PULSE SUB |
KEF KC62 |
| Brand |
Bluesound |
KEF |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Frequency Response |
|
11-200 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
350-watt RMS |
1000-watt RMS |
Drivers |
|
|
| Woofer Quantity |
2 |
2 |
| Woofer Size |
6.5" |
6.5" |
| Woofer Composition |
|
|
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
n/a |
side |
Physical Specs |
|
|
| Height |
330.0mm (13") |
245.0mm (9.6") |
| Width |
292.0mm (11.5") |
258.0mm (10.2") |
| Depth |
315.0mm (12.4") |
281.0mm (11.1") |
| Weight |
10.00kg (22lbs) |
14.05kg (30.9lbs) |
| Enclosure |
|
Acoustic Suspension |
| Finish |
Matte satin paint |
n/a |
| Available Colors |
Black, White/Tan |
n/a |
| Grille |
Removable magnetic |
n/a |
| Moisture Resistancy |
No |
No |
Connections |
|
|
| Ethernet Port |
Yes |
n/a |
Other |
|
|
| Parts Warranty |
|
2 Years |
| Labor Warranty |
|
2 Years |