In this review, we will be comparing Bluesound PULSE SUB and SPL-120, two Powered Subwoofer speakers from Bluesound and Klipsch. 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 Klipsch SPL-120 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 Klipsch SPL-120 compare and hopefully end up with enough arguments to decide which one of these subwoofers is the better choice for you.
**This post contains affiliate links, and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.
Drivers
The efficiency of a subwoofer is directly proportional to the total radiating are squared hence the woofer quantity and diameter.Bluesound PULSE SUB and Klipsch SPL-120 have a totally different setup: the Bluesound PULSE SUB features 2 x 6.5-inch drivers whereas the SPL-120 features 1 x 12-inch drivers.
Frequency Response
Bluesound PULSE SUB has a frequency range of whereas SPL-120 has a frequency range of 24-125 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 SPL-120's min frequency of 24Hz.
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 Klipsch SPL-120's external dimensions. Bluesound PULSE SUB has external dimensions of 330 x 292 x 315 mm ( ) whereas Klipsch SPL-120 has external dimensions of 450.0 x 375.0 x 540.0mm ( 17-11/16 x 14-3/4 x 21-1/4inch) .
Klipsch SPL-120 is clearly the larger of the two speakers. Its body is 83mm wider, 120mm taller and 225mm deeper than Bluesound PULSE SUB.
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 Klipsch SPL-120 is approximately 2025.0cm2 / 313.9inch2. The Bluesound PULSE SUB requires 55% less surface area than the SPL-120 which gives it a small advantage 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 Klipsch SPL-120 weighs 20.45kg / 45lbs. This makes the SPL-120 105% heavier than the Bluesound PULSE SUB.
Here is a comparison of how Bluesound PULSE SUB and SPL-120's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
 Number of Woofers |
2
vs
1
|
More woofers |
| Low Frequency Response |
Hz
vs
24 Hz
|
Generates deeper bass |
 App-Based Control |
BluOS Controller (iOS, Android, Windows, macOS)
vs
None
|
Control the speaker via an app |
 Height |
330mm
vs
450mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
919cm2
vs
2025cm2
|
Takes less floor space |
 Ethernet Connection |
Yes
vs
No
|
High quality streaming over Ethernet |
| Woofer Size |
12 inches
vs
6.5 inches
|
Larger woofer |
 High Frequency Response |
125k Hz
vs
k Hz
|
Generates higher frequency |
 Price per pair* |
499USD
vs
1299USD
|
costs less (*prices may change depending on the seller, location and time) |
| General |
Bluesound PULSE SUB |
Klipsch SPL-120 |
| Brand |
Bluesound |
Klipsch |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Frequency Response |
|
24-125 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
350-watt RMS |
300-watt RMS |
| Watts Peak (Max) |
n/a |
600-watt RMS |
Drivers |
|
|
| Woofer Quantity |
2 |
1 |
| Woofer Size |
6.5" |
12" |
| Woofer Composition |
|
Cerametallic |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
n/a |
front |
Physical Specs |
|
|
| Height |
330.0mm (13") |
450.0mm (17.7") |
| Width |
292.0mm (11.5") |
375.0mm (14.8") |
| Depth |
315.0mm (12.4") |
540.0mm (21.3") |
| Weight |
10.00kg (22lbs) |
20.45kg (45lbs) |
| Enclosure |
|
Bass Reflex |
| Finish |
Matte satin paint |
n/a |
| Available Colors |
Black, White/Tan |
n/a |
| Grille |
Removable magnetic |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
| Ethernet Port |
Yes |
n/a |
Other |
|
|
| Parts Warranty |
|
2 Years |
| Labor Warranty |
|
2 Years |