In this review, we will be comparing SubSeries 350 and SubSeries 150, 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 350 and PSB SubSeries 150 first before getting into our more detailed comparison.
In the following sections, we will get into details in order to better understand how the PSB SubSeries 350 and PSB SubSeries 150 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.Both PSB SubSeries 350and PSB SubSeries 150 have a single woofer setup however the PSB SubSeries 350's woofer is 12-inch whereas the PSB SubSeries 150 features a 6.5-inch woofer.
Frequency Response
SubSeries 350 has a frequency range of 25-150 Hz whereas SubSeries 150 has a frequency range of 26-150 Hz. With a minimum frequency of 25Hz, the SubSeries 350 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 350 and PSB SubSeries 150 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
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 PSB SubSeries 350's and PSB SubSeries 150's external dimensions. PSB SubSeries 350 has external dimensions of 407.0 x 394.0 x 445.0mm ( 16 x 15-1/2 x 17-1/2inch) whereas PSB SubSeries 150 has external dimensions of 280.0 x 447.0 x 143.0mm ( 11 x 17-9/16 x 5-5/8inch) .
PSB SubSeries 150 is 127mm shorter and 302mm less deeper than PSB SubSeries 350 but it is also 53mm wider.
Below you can see the front view size comparison of PSB SubSeries 350 and PSB SubSeries 150 in scale.
Comparison image of PSB SubSeries 350 and PSB SubSeries 150 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 350 is approximately 1753.3cm2 / 271.8inch2 and base area of the PSB SubSeries 150 is approximately 639.2cm2 / 99.1inch2. The SubSeries 350 requires 174% more surface area than the SubSeries 150 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 PSB SubSeries 350 weighs 23.18kg / 51lbs and the PSB SubSeries 150 weighs 6.05kg / 13.3lbs. This makes the SubSeries 350 283% heavier than the SubSeries 150.
Here is a comparison of how SubSeries 350 and SubSeries 150'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 350?
Here are the items that are included inside the box of SubSeries 350:
Powered subwooferGrille6-feet AC power cordQuick Start GuideImportant Safety InstructionsWarranty Information
What's in the Box of PSB SubSeries 150?
Here are the items that come with the SubSeries 150:
Powered subwoofer6-feet AC power cord2 Mounting feetWall-mount bracketQuick Start Subwoofer GuideLimited Warranty sheetImportant Safety Instructions
 Woofer Size |
12 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 |
 Height |
280mm
vs
407mm
|
Easier to fit in smaller spaces |
 Base Surface Area |
639cm2 (447x143mm)
vs
1753cm2 (394x445mm)
|
Takes less floor space |
| General |
PSB SubSeries 350 |
PSB SubSeries 150 |
| Brand |
PSB |
PSB |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
300 watts |
100 watts |
| Frequency Response |
25-150 Hz |
26-150 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
300-watt RMS |
100-watt RMS |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
12" |
6.5" |
| Woofer Composition |
Polypropylene |
Polypropylene |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Crossover Frequency |
50-150 Hz and 80 Hz |
n/a |
| Firing Direction |
front |
front |
Physical Specs |
|
|
| Height |
407.0mm (16") |
280.0mm (11") |
| Width |
394.0mm (15.5") |
447.0mm (17.6") |
| Depth |
445.0mm (17.5") |
143.0mm (5.6") |
| Weight |
23.18kg (51lbs) |
6.05kg (13.3lbs) |
| Enclosure |
Acoustic Suspension |
Acoustic Suspension |
| Grille |
Yes |
n/a |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
1 Year |
1 Year |
| Labor Warranty |
1 Year |
1 Year |