In this review, we will be comparing Theatrus TS15 Passive 15" Subwoofer and RP-1200SW, two Powered Subwoofer speakers from Aperion and Klipsch. 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 Aperion Theatrus TS15 Passive 15" Subwoofer and Klipsch RP-1200SW 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.Both Aperion Theatrus TS15 Passive 15" Subwooferand Klipsch RP-1200SW have a single woofer setup however the Aperion Theatrus TS15 Passive 15" Subwoofer's woofer is 15-inch whereas the Klipsch RP-1200SW features a 12-inch woofer.
Frequency Response
Theatrus TS15 Passive 15" Subwoofer has a frequency range of 18-400 Hz whereas RP-1200SW has a frequency range of 16.5-138 Hz. With a minimum frequency of 17Hz, the RP-1200SW can go slightly deeper then the Theatrus TS15 Passive 15" Subwoofer's min frequency of 18Hz.
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
Aperion Theatrus TS15 Passive 15" Subwoofer
High Frequency
Subwoofer Speakers
Aperion Theatrus TS15 Passive 15" Subwoofer
Cabinet Type
The Aperion Theatrus TS15 Passive 15" Subwoofer has a Acoustic Suspension type cabinet. 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. On the other hand the Klipsch RP-1200SW 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
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 Aperion Theatrus TS15 Passive 15" Subwoofer's and Klipsch RP-1200SW's external dimensions. Aperion Theatrus TS15 Passive 15" Subwoofer has external dimensions of 500.4 x 500.4 x 401.3mm (19.7 x 19.7 x 15.8inch) whereas Klipsch RP-1200SW has external dimensions of 482.0 x 432.0 x 659.0mm (18-15/16inch x 17inch x 25-15/16inch).
Klipsch RP-1200SW is 68.4mm narrower and 18.4mm shorter than Aperion Theatrus TS15 Passive 15" Subwoofer but it is also 257.7mm deeper.
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 Aperion Theatrus TS15 Passive 15" Subwoofer is approximately 2008.1cm2 / 311.3inch2 and base area of the Klipsch RP-1200SW is approximately 2846.9cm2 / 441.3inch2. The Theatrus TS15 Passive 15" Subwoofer requires 29% less surface area than the RP-1200SW 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 Aperion Theatrus TS15 Passive 15" Subwoofer weighs 35.02kg / 77lbs and the Klipsch RP-1200SW weighs 31.18kg / 68.6lbs. This makes the Theatrus TS15 Passive 15" Subwoofer 12% heavier than the RP-1200SW.
Here is a comparison of how Theatrus TS15 Passive 15" Subwoofer and RP-1200SW's weights compare with the average, max and min weights in Powered Subwoofer class.
Weight
All Subwoofer Speakers
Aperion Theatrus TS15 Passive 15" Subwoofer
 Woofer Size |
15 inches
vs
12 inches
|
Larger woofer |
 High Frequency Response |
400k Hz
vs
138k Hz
|
Generates higher frequency |
 Base Surface Area |
2008cm2
vs
2846cm2
|
Takes less floor space |
| Low Frequency Response |
17 Hz
vs
18 Hz
|
Generates deeper bass |
 Height |
482mm
vs
500mm
|
Easier to fit in smaller spaces |
 Price per pair* |
999USD
vs
1449USD
|
costs less (*prices may change depending on the seller, location and time) |
| General |
Aperion Theatrus TS15 Passive 15" Subwoofer |
Klipsch Reference Premiere RP-1200SW |
| Brand |
Aperion |
Klipsch |
| Speaker Type |
Powered Subwoofer |
Powered Subwoofer |
| Sensitivity |
88 dB |
n/a |
| Impedance |
4 ohms |
n/a |
| Frequency Response |
18-400 Hz |
16.5-138 Hz |
Amplifier |
|
|
| Watts RMS (Continuous) |
n/a |
400-watt RMS |
| Watts Peak (Max) |
n/a |
800-watt RMS |
Drivers |
|
|
| Woofer Quantity |
1 |
1 |
| Woofer Size |
15" |
12" |
| Woofer Composition |
|
Cerametallic |
| Tweeter Size |
- |
- |
| Aimable Tweeter |
No |
No |
| Midrange Driver |
No |
No |
| Firing Direction |
n/a |
front |
Physical Specs |
|
|
| Height |
500.4mm (19.7") |
482.0mm (19") |
| Width |
500.4mm (19.7") |
432.0mm (17") |
| Depth |
401.3mm (15.8") |
659.0mm (25.9") |
| Weight |
35.02kg (77lbs) |
31.18kg (68.6lbs) |
| Enclosure |
Acoustic Suspension |
Bass Reflex |
| Finish |
n/a |
MDF with Vinyl |
| Available Colors |
n/a |
Ebony |
| Grille |
Yes |
Yes |
| Moisture Resistancy |
No |
No |
Connections |
|
|
Other |
|
|
| Parts Warranty |
|
5 years |
| Labor Warranty |
|
5 years |