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Klipsch Reference Premiere RP-1400SW vs Definitive Technology SuperCube 2000 Comparison
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Klipsch RP-1400SW

Powered Subwoofer | 16-141 Hz

Klipsch Reference Premiere RP-1400SW
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DT SuperCube 2000

Powered Subwoofer | 20-200 Hz

Definitive Technology SuperCube 2000
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Klipsch RP-1400SW Klipsch RP-1400SW
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DT SuperCube 2000 DT SuperCube 2000
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Klipsch RP-1400SW
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DT SuperCube 2000
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Klipsch RP-1400SW vs DT SuperCube 2000 Speaker Comparison

In this review, we will be comparing RP-1400SW and SuperCube 2000, two Powered Subwoofer speakers from Klipsch and Definitive Technology. 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 Klipsch RP-1400SW and DT SuperCube 2000 first before getting into our more detailed comparison.

Klipsch RP-1400SW Key Specs

  • 14" Cerametallic Woofer
  • 16-141 Hz Frequency Response
  • 500 watts Max Amplifier Output
  • Weight:38.05kg
  • Dimensions (H x W x D): 542.0" x 20" x 25-11/16"( 542.0 x 508.0 x 653.0mm )

DT SuperCube 2000 Key Specs

  • 7.5" Not given Woofer
  • 20-200 Hz Frequency Response
  • 650 watts Max Amplifier Output
  • Weight:11.36kg
  • Dimensions (H x W x D): 275.0" x 10-1/4" x 12-5/8"( 275.0 x 261.0 x 321.0mm )

In the following sections, we will get into details in order to better understand how the Klipsch RP-1400SW and DT SuperCube 2000 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 Klipsch RP-1400SWand DT SuperCube 2000 have a single woofer setup however the Klipsch RP-1400SW's woofer is 14-inch whereas the DT SuperCube 2000 features a 7.5-inch woofer.

Frequency Response

RP-1400SW has a frequency range of 16-141 Hz whereas SuperCube 2000 has a frequency range of 20-200 Hz. With a minimum frequency of 16Hz, the RP-1400SW can go slightly deeper then the SuperCube 2000's min frequency of 20Hz.

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

Klipsch RP-1400SW
DT SuperCube 2000
Min
Average
Max
High Frequency

Subwoofer Speakers

Klipsch RP-1400SW
DT SuperCube 2000
Min
Average
Max

Cabinet Type

The Klipsch RP-1400SW 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 DT SuperCube 2000 have Passive Radiator type enclosure. Passive Radiator type subwoofers sports a non-powered cone that moves in response to the main woofer to move air out in order to generate stronger bass in a smaller body compared to ported or 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 Klipsch RP-1400SW's and DT SuperCube 2000's external dimensions. Klipsch RP-1400SW has external dimensions of 542.0 x 508.0 x 653.0mm ( 21-5/16inch x 20inch x 25-11/16inch ) whereas DT SuperCube 2000 has external dimensions of 275.0 x 261.0 x 321.0mm ( 10-13/16 x 10-1/4 x 12-5/8inch) .

Klipsch RP-1400SW is clearly the larger of the two speakers. Its body is 247mm wider, 267mm taller and 332mm deeper than DT SuperCube 2000.

Below you can see the front view size comparison of Klipsch RP-1400SW and DT SuperCube 2000 in scale.

Klipsch RP-1400SW vs DT SuperCube 2000 Size Comparison - Front View
Comparison image of Klipsch RP-1400SW and DT SuperCube 2000 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 Klipsch RP-1400SW is approximately 3317.2cm2 / 514.2inch2 and base area of the DT SuperCube 2000 is approximately 837.8cm2 / 129.9inch2. The RP-1400SW requires 296% more surface area than the SuperCube 2000 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 Klipsch RP-1400SW weighs 38.05kg / 83.7lbs and the DT SuperCube 2000 weighs 11.36kg / 25lbs. This makes the RP-1400SW 235% heavier than the SuperCube 2000.

Here is a comparison of how RP-1400SW and SuperCube 2000's weights compare with the average, max and min weights in Powered Subwoofer class.

Weight
All Subwoofer Speakers
Klipsch RP-1400SW
DT SuperCube 2000
Min
Average
Max

Reasons to choose Klipsch Reference Premiere RP-1400SW over Definitive Technology SuperCube 2000
Woofer Size 14 inches vs 7.5 inches Larger woofer
Low Frequency Response 16 Hz vs 20 Hz Generates deeper bass
Wireless Operation Optional vs No Connect your subwoofer to your system wireless
Reasons to choose Definitive Technology SuperCube 2000 over Klipsch Reference Premiere RP-1400SW
High Frequency Response 200k Hz vs 141k Hz Generates higher frequency
Height 275mm vs 542mm Easier to fit in smaller spaces
Base Surface Area 837cm2 vs 3317cm2 Takes less floor space
Klipsch RP-1400SW vs DT SuperCube 2000 Specs Table
Detailed comparison of specifications
General Klipsch Reference Premiere RP-1400SW Definitive Technology SuperCube 2000
Brand Klipsch Definitive Technology
Speaker Type Powered Subwoofer Powered Subwoofer
Max Amplifier Output 500 watts 650 watts
Frequency Response 16-141 Hz 20-200 Hz
Amplifier
Watts RMS (Continuous) 500-watt RMS 650-watt RMS
Watts Peak (Max) 1000-watt RMS n/a
Drivers
Woofer Quantity 1 1
Woofer Size 14" 7.5"
Woofer Composition Cerametallic Not given
Tweeter Size - -
Aimable Tweeter No No
Midrange Driver No No
Firing Direction front front
Physical Specs
Height 542.0mm (21.3") 275.0mm (10.8")
Width 508.0mm (20") 261.0mm (10.3")
Depth 653.0mm (25.7") 321.0mm (12.6")
Weight 38.05kg (83.7lbs) 11.36kg (25lbs)
Enclosure Bass Reflex Passive Radiator
Finish MDF with Vinyl n/a
Available Colors Ebony n/a
Grille Yes n/a
Moisture Resistancy No No
Connections
Other
Parts Warranty 5 years 3 Years
Labor Warranty 5 years 3 Years

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