In this review, we will be comparing Varro PS350-BK and A120P, two Powered Subwoofer speakers from ELAC and JBL. 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 ELAC Varro PS350-BK and JBL Stage A120P 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.
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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.ELAC Varro PS350-BKand JBL Stage A120P have the same driver set up: Both subwoofers have 1 x 12" drivers.
Frequency Response
Varro PS350-BK has a frequency range of 24-150 Hz whereas A120P has a frequency range of 32-150 Hz. With a minimum frequency of 24Hz, the Varro PS350-BK can go significantly deeper on the low side and provide stronger bass compared to the A120P's min frequency of 32Hz.
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
The ELAC Varro PS350-BK has a Bass Reflex type cabinet. 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. On the other hand the JBL Stage A120P have Bass reflex type enclosure.
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 ELAC Varro PS350-BK's and JBL Stage A120P's external dimensions. ELAC Varro PS350-BK has external dimensions of 439.0 x 418.0 x 420.0mm (17-1/4inch x 16-7/16inch x 16-1/2inch) whereas 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).
JBL Stage A120P is 25mm narrower and 24mm shorter than ELAC Varro PS350-BK but it is also 55mm deeper.
Below you can see the front view size comparison of ELAC Varro PS350-BK and JBL Stage A120P in scale.
Comparison image of ELAC Varro PS350-BK and JBL Stage A120P 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 ELAC Varro PS350-BK is approximately 1755.6cm2 / 272.1inch2 and base area of the JBL Stage A120P is approximately 1866.8cm2 / 289.4inch2. The Varro PS350-BK requires 6% less surface area than the A120P 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 ELAC Varro PS350-BK weighs 21.86kg / 48.1lbs and the JBL Stage A120P weighs 18.68kg / 41.1lbs. This makes the Varro PS350-BK 17% heavier than the A120P.
Here is a comparison of how Varro PS350-BK and A120P's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
What's in the Box of ELAC Varro PS350-BK?
Here are the items that are included inside the box of Varro PS350-BK:
- Grill
- Power Cord
- 4 Spikes
What's in the Box of JBL Stage A120P?
Here are the items that come with the A120P:
- Powered subwoofer
- Grille
- 6-feet AC power cord
- 4 Spike feet
- Owners Manual
- Warranty Card
- Important Safety Instructions
 Low Frequency Response |
24 Hz
vs
32 Hz
|
Generates deeper bass |
 App-Based Control |
iOS,Android
vs
None
|
Control the speaker via an app |
 Base Surface Area |
1755cm2
vs
1866cm2
|
Takes less floor space |
 Height |
415mm
vs
439mm
|
Easier to fit in smaller spaces |
 Price per pair* |
300USD
vs
799USD
|
costs less (*prices may change depending on the seller, location and time) |
| General |
ELAC Varro PS350-BK |
JBL Stage A120P |
| Brand |
ELAC |
JBL |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Max Amplifier Output |
350 watts |
250 watts |
| Frequency Response |
24-150 Hz |
32-150 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
350-watt RMS |
250-watt RMS |
| Watts Peak (Max) |
700-watt RMS |
500-watt RMS |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
12" |
12" |
| Woofer Composition |
Treated paper |
Polycellulose |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
bottom |
front |
Physical Specs |
|
|
| Height |
439.0mm (17.3") |
415.0mm (16.3") |
| Width |
418.0mm (16.5") |
393.0mm (15.5") |
| Depth |
420.0mm (16.5") |
475.0mm (18.7") |
| Weight |
21.86kg (48.1lbs) |
18.68kg (41.1lbs) |
| Enclosure |
Bass Reflex |
Bass reflex |
| Finish |
MDF |
n/a |
| Available Colors |
Black |
n/a |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
| USB Port |
USB-A port for firmware updates |
n/a |
Other |
|
|
| Parts Warranty |
1 year |
1 Year |
| Labor Warranty |
1 year |
1 Year |