In this review, we will be comparing SubSeries 150 and SubSeries 250, two Powered Subwoofer speakers by PSB. 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 PSB SubSeries 150 and PSB SubSeries 250 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.
**This post contains affiliate links, and we will be compensated if you make a purchase after clicking through our 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.Both PSB SubSeries 150and PSB SubSeries 250 have a single woofer setup however the PSB SubSeries 150's woofer is 6.5-inch whereas the PSB SubSeries 250 features a 10-inch woofer.
Frequency Response
SubSeries 150 has a frequency range of 26-150 Hz whereas SubSeries 250 has a frequency range of 25-150 Hz. With a minimum frequency of 25Hz, the SubSeries 250 can go slightly deeper then the SubSeries 150's min frequency of 26Hz.
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
Cabinet Type
Both PSB SubSeries 150 and PSB SubSeries 250 have Acoustic Suspension type cabinets. 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 PSB SubSeries 150's and PSB SubSeries 250's external dimensions. PSB SubSeries 150 has external dimensions of 280.0 x 447.0 x 143.0mm (11 x 17-9/16 x 5-5/8inch) whereas PSB SubSeries 250 has external dimensions of 362.0 x 348.0 x 397.0mm (14-1/4 x 13-11/16 x 15-5/8inch).
PSB SubSeries 150 is 82mm shorter and 254mm less deeper than PSB SubSeries 250 but it is also 99mm wider.
Below you can see the front view size comparison of PSB SubSeries 150 and PSB SubSeries 250 in scale.
Comparison image of PSB SubSeries 150 and PSB SubSeries 250 Size and External Dimensions
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 PSB SubSeries 150 is approximately 639.2cm2 / 99.1inch2 and base area of the PSB SubSeries 250 is approximately 1381.6cm2 / 214.1inch2. The SubSeries 150 requires 54% less surface area than the SubSeries 250 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 PSB SubSeries 150 weighs 6.05kg / 13.3lbs and the PSB SubSeries 250 weighs 19.09kg / 42lbs. This makes the SubSeries 250 216% heavier than the SubSeries 150.
Here is a comparison of how SubSeries 150 and SubSeries 250's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
What's in the Box of PSB SubSeries 150?
Here are the items that are included inside the box of SubSeries 150:
- Powered subwoofer
- 6-feet AC power cord
- 2 Mounting feet
- Wall-mount bracket
- Quick Start Subwoofer Guide
- Limited Warranty sheet
- Important Safety Instructions
What's in the Box of PSB SubSeries 250?
Here are the items that come with the SubSeries 250:
- Powered subwoofer
- Grille
- 6-feet AC power cord
- Quick Start Guide
- Important Safety Instructions
- Warranty Information
 Height |
280mm
vs
362mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
639cm2
vs
1381cm2
|
Takes less floor space |
 Woofer Size |
10 inches
vs
6.5 inches
|
Larger woofer |
| Low Frequency Response |
25 Hz
vs
26 Hz
|
Generates deeper bass |
 Wireless Operation |
Optional
vs
No
|
Connect your subwoofer to your system wireless |
| General |
PSB SubSeries 150 |
PSB SubSeries 250 |
| Brand |
PSB |
PSB |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
100 watts |
200 watts |
| Frequency Response |
26-150 Hz |
25-150 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
100-watt RMS |
200-watt RMS |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
6.5" |
10" |
| Woofer Composition |
Polypropylene |
Polypropylene |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Crossover Frequency |
n/a |
50-150 Hz and 80 Hz |
| Firing Direction |
front |
front |
Physical Specs |
|
|
| Height |
280.0mm (11") |
362.0mm (14.3") |
| Width |
447.0mm (17.6") |
348.0mm (13.7") |
| Depth |
143.0mm (5.6") |
397.0mm (15.6") |
| Weight |
6.05kg (13.3lbs) |
19.09kg (42lbs) |
| Enclosure |
Acoustic Suspension |
Acoustic Suspension |
| Grille |
n/a |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
1 Year |
1 Year |
| Labor Warranty |
1 Year |
1 Year |