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JBL Stage A120P vs Jamo S 810 SUB Comparison
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Subwoofer to replace
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JBL Stage A120P

Powered Subwoofer | 32-150 Hz

JBL Stage A120P
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Jamo S 810 SUB

Powered Subwoofer | 36-180 Hz

Jamo S 810 SUB
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JBL Stage A120P JBL Stage A120P
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Jamo S 810 SUB Jamo S 810 SUB
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JBL Stage A120P
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Jamo S 810 SUB
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JBL Stage A120P vs Jamo S 810 SUB Speaker Comparison

In this review, we will be comparing A120P and S 810 SUB, two Powered Subwoofer speakers from JBL and Jamo. 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 JBL Stage A120P and Jamo S 810 SUB first before getting into our more detailed comparison.

JBL Stage A120P Key Specs

  • 12" Polycellulose Woofer
  • 32-150 Hz Frequency Response
  • 250 watts Max Amplifier Output
  • Weight:18.68kg
  • Dimensions (H x W x D): 415.0" x 15-7/16" x 18-11/16"( 415.0 x 393.0 x 475.0mm )

Jamo S 810 SUB Key Specs

  • 10" Polyfiber Woofer
  • 36-180 Hz Frequency Response
  • 75 watts Max Amplifier Output
  • Weight:11.82kg
  • Dimensions (H x W x D): 508.0" x 8-15/16" x 15-15/16"( 508.0 x 228.0 x 405.0mm )

In the following sections, we will get into details in order to better understand how the JBL Stage A120P and Jamo S 810 SUB 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 JBL Stage A120Pand Jamo S 810 SUB have a single woofer setup however the JBL Stage A120P's woofer is 12-inch whereas the Jamo S 810 SUB features a 10-inch woofer.

Frequency Response

A120P has a frequency range of 32-150 Hz whereas S 810 SUB has a frequency range of 36-180 Hz. With a minimum frequency of 32Hz, the A120P can go slightly deeper then the S 810 SUB's min frequency of 36Hz.

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

JBL Stage A120P
Jamo S 810 SUB
Min
Average
Max
High Frequency

Subwoofer Speakers

JBL Stage A120P
Jamo S 810 SUB
Min
Average
Max

Cabinet Type

The JBL Stage A120P has a Bass reflex type cabinet. On the other hand the Jamo S 810 SUB have Bass Reflex type enclosure. Bass Reflex type subwoofers (aka Ported, Vented or Reflex Port) have enclosures that uses a port, hole or vent cut into the cabinet. Ported designs are generally more efficient than the Sealed 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 JBL Stage A120P's and Jamo S 810 SUB's external dimensions. JBL Stage A120P has external dimensions of 415.0 x 393.0 x 475.0mm ( 16-5/16 x 15-7/16 x 18-11/16inch) whereas Jamo S 810 SUB has external dimensions of 508.0 x 228.0 x 405.0mm ( 20 x 8-15/16 x 15-15/16inch) .

Jamo S 810 SUB is 165mm narrower and 70mm less deeper than JBL Stage A120P but it is also 93mm taller.

Below you can see the front view size comparison of JBL Stage A120P and Jamo S 810 SUB in scale.

JBL Stage A120P vs Jamo S 810 SUB Size Comparison - Front View
Comparison image of JBL Stage A120P and Jamo S 810 SUB 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 JBL Stage A120P is approximately 1866.8cm2 / 289.4inch2 and base area of the Jamo S 810 SUB is approximately 923.4cm2 / 143.1inch2. The A120P requires 102% more surface area than the S 810 SUB 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 JBL Stage A120P weighs 18.68kg / 41.1lbs and the Jamo S 810 SUB weighs 11.82kg / 26lbs. This makes the A120P 58% heavier than the S 810 SUB.

Here is a comparison of how A120P and S 810 SUB's weights compare with the average, max and min weights in Powered Subwoofer class.

Weight
All Subwoofer Speakers
JBL Stage A120P
Jamo S 810 SUB
Min
Average
Max

What's in the Box of JBL Stage A120P?

Here are the items that are included inside the box of A120P:
  • Powered subwoofer
  • Grille
  • 6-feet AC power cord
  • 4 Spike feet
  • Owners Manual
  • Warranty Card
  • Important Safety Instructions
  • What's in the Box of Jamo S 810 SUB?

    Here are the items that come with the S 810 SUB:
  • Powered subwoofer
  • Grille
  • 5-feet AC power cord
  • 6.5-feet Mono-RCA cable
  • 4 Rubber feet
  • User Manual
  • Important Safety Instructions
  • Warranty Information

  • Reasons to choose JBL Stage A120P over Jamo S 810 SUB
    Woofer Size 12 inches vs 10 inches Larger woofer
    Low Frequency Response 32 Hz vs 36 Hz Generates deeper bass
    Height 415mm vs 508mm Easier to fit in smaller spaces
    Reasons to choose Jamo S 810 SUB over JBL Stage A120P
    High Frequency Response 180k Hz vs 150k Hz Generates higher frequency
    Base Surface Area 923cm2 vs 1866cm2 Takes less floor space
    Price per pair* 199USD vs 300USD costs less (*prices may change depending on the seller, location and time)
    JBL Stage A120P vs Jamo S 810 SUB Specs Table
    Detailed comparison of specifications
    General JBL Stage A120P Jamo S 810 SUB
    Brand JBL Jamo
    Speaker Type Powered Subwoofer Powered Subwoofer
    Max Amplifier Output 250 watts 75 watts
    Frequency Response 32-150 Hz 36-180 Hz
    Amplifier
    Watts RMS (Continuous) 250-watt RMS 75-watt RMS
    Watts Peak (Max) 500-watt RMS n/a
    Drivers
    Woofer Quantity 1 1
    Woofer Size 12" 10"
    Woofer Composition Polycellulose Polyfiber
    Tweeter Size - -
    Aimable Tweeter No No
    Midrange Driver No No
    Firing Direction front Side
    Physical Specs
    Height 415.0mm (16.3") 508.0mm (20")
    Width 393.0mm (15.5") 228.0mm (9")
    Depth 475.0mm (18.7") 405.0mm (15.9")
    Weight 18.68kg (41.1lbs) 11.82kg (26lbs)
    Enclosure Bass reflex Bass Reflex
    Grille Yes Yes
    Moisture Resistancy No No
    Connections
    Other
    Parts Warranty 1 Year 2 Years
    Labor Warranty 1 Year 2 Years

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