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PSB SubSeries BP8 vs PSB SubSeries 350 Comparison
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PSB SubSeries BP8

Powered Subwoofer | 25-150 Hz

PSB SubSeries BP8
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PSB SubSeries 350

Powered Subwoofer | 25-150 Hz

PSB SubSeries 350
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PSB SubSeries BP8 PSB SubSeries BP8
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PSB SubSeries 350 PSB SubSeries 350
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PSB SubSeries BP8
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PSB SubSeries 350
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PSB SubSeries BP8 vs PSB SubSeries 350 Speaker Comparison

In this review, we will be comparing SubSeries BP8 and SubSeries 350, 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 BP8 and PSB SubSeries 350 first before getting into our more detailed comparison.

PSB SubSeries BP8 Key Specs

  • 8" Carbon Fibre Woofer
  • 25-150 Hz Frequency Response
  • 500 watts Max Amplifier Output
  • Weight:19.10kg
  • Dimensions (H x W x D): 355.0" x 13" x 13"( 355 x 330 x 330mm )

PSB SubSeries 350 Key Specs

  • 12" Polypropylene Woofer
  • 25-150 Hz Frequency Response
  • 300 watts Max Amplifier Output
  • Weight:23.18kg
  • Dimensions (H x W x D): 407.0" x 15-1/2" x 17-1/2"( 407.0 x 394.0 x 445.0mm )

SubSeries BP8 and SubSeries 350 are members of PSB's SubSeries series of subwoofers. Below you can find other subs from this series.

PSB SubSeries Series Subwoofers History
Model Frequency Woofer Amp Power
PSB SubSeries BP8
25-150k Hz 8" 500 watts
PSB SubSeries 350
25-150k Hz 12" 300 watts
PSB SubSeries 250
  
25-150k Hz 10" 200 watts
PSB SubSeries 450
  
20-150k Hz 12" 400 watts
PSB SubSeries 150
  
26-150k Hz 6.5" 100 watts

In the following sections, we will get into details in order to better understand how the PSB SubSeries BP8 and PSB SubSeries 350 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.Both PSB SubSeries BP8and PSB SubSeries 350 have a single woofer setup however the PSB SubSeries BP8's woofer is 8-inch whereas the PSB SubSeries 350 features a 12-inch woofer.

Frequency Response

SubSeries BP8 and SubSeries 350 has exactly the same frequency range of 25-150 Hz.

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

PSB SubSeries BP8
PSB SubSeries 350
Min
Average
Max
High Frequency

Subwoofer Speakers

PSB SubSeries BP8
PSB SubSeries 350
Min
Average
Max

Cabinet Type

Both PSB SubSeries BP8 and PSB SubSeries 350 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 BP8's and PSB SubSeries 350's external dimensions. PSB SubSeries BP8 has external dimensions of 355 x 330 x 330mm ( 14 x 13 x 13 inch) whereas PSB SubSeries 350 has external dimensions of 407.0 x 394.0 x 445.0mm ( 16 x 15-1/2 x 17-1/2inch) .

PSB SubSeries 350 is clearly the larger of the two speakers. Its body is 64mm wider, 52mm taller and 115mm deeper than PSB SubSeries BP8.

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 BP8 is approximately 1089.0cm2 / 168.8inch2 and base area of the PSB SubSeries 350 is approximately 1753.3cm2 / 271.8inch2. The SubSeries BP8 requires 38% less surface area than the SubSeries 350 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 BP8 weighs 19.10kg / 42lbs and the PSB SubSeries 350 weighs 23.18kg / 51lbs. This makes the SubSeries 350 21% heavier than the SubSeries BP8.

Here is a comparison of how SubSeries BP8 and SubSeries 350's weights compare with the average, max and min weights in Powered Subwoofer class.

Weight
All Subwoofer Speakers
PSB SubSeries BP8
PSB SubSeries 350
Min
Average
Max

What's in the Box of PSB SubSeries BP8?

Here are the items that are included inside the box of SubSeries BP8:
  • Powered subwoofer
  • Detachable grille
  • 8-feet Power cord
  • Owners Guide
  • Specifications sheet
  • Warranty Card
  • What's in the Box of PSB SubSeries 350?

    Here are the items that come with the SubSeries 350:
  • Powered subwoofer
  • Grille
  • 6-feet AC power cord
  • Quick Start Guide
  • Important Safety Instructions
  • Warranty Information

  • Reasons to choose PSB SubSeries BP8 over PSB SubSeries 350
    Height 355mm vs 407mm Easier to fit in smaller spaces
    Base Surface Area 1089cm2 vs 1753cm2 Takes less floor space
    Reasons to choose PSB SubSeries 350 over PSB SubSeries BP8
    Woofer Size 12 inches vs 8 inches Larger woofer
    Price per pair* 1299USD vs 1499USD costs less (*prices may change depending on the seller, location and time)
    PSB SubSeries BP8 vs PSB SubSeries 350 Specs Table
    Detailed comparison of specifications
    General PSB SubSeries BP8 PSB SubSeries 350
    Brand PSB PSB
    Speaker Type Powered Subwoofer Powered Subwoofer
    Max Amplifier Output 500 watts 300 watts
    Frequency Response 25-150 Hz 25-150 Hz
    Amplifier
    Watts RMS (Continuous) 500-watt RMS 300-watt RMS
    Drivers
    Woofer Quantity 1 1
    Woofer Size 8" 12"
    Woofer Composition Carbon Fibre Polypropylene
    Woofer Surround Material High Density Rubber n/a
    Tweeter Size - -
    Aimable Tweeter No No
    Midrange Driver No No
    Crossover Frequency n/a 50-150 Hz and 80 Hz
    Firing Direction n/a front
    Physical Specs
    Height 355.0mm (14") 407.0mm (16")
    Width 330.0mm (13") 394.0mm (15.5")
    Depth 330.0mm (13") 445.0mm (17.5")
    Weight 19.10kg (42lbs) 23.18kg (51lbs)
    Enclosure Acoustic Suspension Acoustic Suspension
    Available Colors Satin Black, Satin White n/a
    Grille n/a Yes
    Moisture Resistancy No No
    Connections
    Other
    Parts Warranty 1 Year 1 Year
    Labor Warranty 1 Year 1 Year

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