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Definitive Technology SuperCube 4000 Subwoofer Review
DT SuperCube 4000 - Front View

Main Features

  • 8" Woofer
  • 1,200 watts RMS Output
  • 16-200 Hz Frequency Response
  • Weight: 25.00 lbs / 11.36kg
  • Dimensions (H x W x D): 11-7/8" x 11-1/16" x 12-1/2"
Check price atAmazon›

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DT SuperCube 4000 Subwoofer Review
DT SuperCube 4000 DT SuperCube 4000
Check price atAmazon›

SuperCube 4000 is a Passive Radiator type Powered Subwoofer by Definitive Technology with a frequency range of 16-200 Hz. It was released in 2013. It features 1 x 8" Woofer, and powered by a 1200 watts amplifier.

SuperCube 4000 is a member of Definitive Technology's SuperCube series of Powered subwoofers. The SuperCube range are Definitive Technology's compact, high-output powered subwoofers. Below you can see the main specs of these subwoofers as well as review and comparison links.

Definitive Technology SuperCube Series Subwoofers
Model Frequency Woofer Amp Power Weight
DT SuperCube 2000
Compare
20-200k Hz 7.5" 650 watts 11.36kg
DT SuperCube 4000
16-200k Hz 8" 1200 watts 11.36kg


**This post contains affiliate links, and we will be compensated if you make a purchase after clicking through our links. As an Amazon Associate I earn from qualifying purchases.

Frequency Response

Where should the crossover go? →  ·  What will your room do to this bass? →

DT SuperCube 4000 has a Frequency response range of 16-200 Hz. Thanks to its 1 x 8-inch driver and 1200 watts RMS amplifier, at 16Hz the SuperCube 4000 can generate bass levels that is even below 20Hz which is considered to be the bottom limit of Full Range sound (20Hz -20kHz) that human can hear.

Here we have a comparison of how SuperCube 4000's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
Powered Subwoofers
DT SuperCube 4000
Min
Average
Max
High Frequency
Subwoofer Speakers
DT SuperCube 4000
Min
Average
Max

Low-Pass Crossover

DT SuperCube 4000 has a variable Low-pass filter (LFP) which lets you choose a frequency level between 40-150 Hz in order to block any frequencies above that point from reaching the amplifier.

DT SuperCube 4000 Back View
DT SuperCube 4000 Back View

Inputs and Outputs

  • PreampLevel Inputs: LFE, Stereo RCA
  • SpeakerLevel Inputs: Yes
  • SpeakerLevel Outputs: No
  • Wireless: No

DT SuperCube 4000 External Dimensions and Weight

DT SuperCube 4000 has external dimensions of (Height x Width x Depth) 11-7/8 x 11-1/16 x 12-1/2inch (302.0 x 281.0 x 318.0mm ).

Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited. The base area of DT SuperCube 4000 is approximately 893.6cm2 / 138.5inch2.

To get a better perspective on the real life size of DT SuperCube 4000, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).

DT SuperCube 4000 Real Life Body Size Comparison
DT SuperCube 4000 Speaker Size Compared to a Compact Disc

Here we place the DT SuperCube 4000 virtually next to a standard width amplifier and turntable on a media center to get a better idea about the size.

DT SuperCube 4000 placed next to a Media Stand
DT SuperCube 4000 Subwoofer next to a Media Stand

Find speakers that fit your shelf or alcove →

Weight

The DT SuperCube 4000 weighs 11.36kg / 25lbs. Weight of a subwoofer is an important factor when you need to move and reposition the unit often to find the optimal positioning, also known as 'Subwoofer Crawling'. Here is a comparison of how SuperCube 4000's weight compares with the average, max and min weights in its class.

Weight
All Subwoofer Speakers
DT SuperCube 4000
Min
Average
Median

Cabinet type and Materials

DT SuperCube 4000 has a Passive Radiator type cabinet.

Port Position

DT SuperCube 4000 is a front-firing port speaker, which gives you more flexibility compared to rear firing speakers when you need to place it close against a wall or other surfaces.

What's in the Box of DT SuperCube 4000?

Here are the items that are included inside the box of SuperCube 4000:
  • 8-inch Powered subwoofer
  • 7-feet AC power cord
  • Remote control (CR2025 battery installed)
  • 4 Threaded rubber-feet
  • 4 Spike feet (hex-nut attached)
  • Owners Manual
  • SC4000 Booklet

Recommended Accessories

Here is a list of accessories that we think you may need for the Definitive Technology SuperCube 4000.

  • Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
  • Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.

Warranty

3 Years of parts warranty and 3 Years of labor warranty is generally provided by the manufacturer.

DT SuperCube 4000 Detailed Specifications

General
BrandDefinitive Technology
Full Model NameDefinitive Technology SuperCube 4000
TypePowered Subwoofer
Release Date2013
Frequency Response16-200 Hz
Enclosure TypePassive Radiator
EnclosurePassive Radiator
Firing DirectionFront
Port Positionfront
Amplifier & Driver
Power (RMS)1200 watts
Woofer8-inch

Controls & Connections
Low-pass Crossover40-150 Hz
Phase ControlYes
WirelessNo
Line-level InputsLFE, Stereo RCA
Speaker-level InputsYes
Speaker-level OutputsNo
Physical
Dimensions (HxWxD)11-7/8" x 11-1/16" x 12-1/2" (302.0 x 281.0 x 318.0mm)
Weight11.36 kg (25 lbs)
Mounting BracketNo
Parts Warranty3 Years
Labor Warranty3 Years
Definitive Technology SuperCube 4000 Alternatives in Powered Subwoofer Speakers
Model Frequency Woofer Amp Power Dimensions
Polk Monitor XT12
Compare
24-160k Hz 12" 50 watts 16-7/16inch x 16-1/16inch x 19-1/16inch"
SVS SB-1000 Pro
Compare
20-270k Hz 12" 325 watts 13-1/2inch x 13inch x 15-13/16inch"
B&W DB4S
Compare
10-350k Hz 10" 1000 watts 14-3/4 x 14-1/4 x 17-1/16inch"
Klipsch R-121SW
Compare
28-120k Hz 12" 200 watts 16-5/8inch x 16inch x 20-15/16inch"
Klipsch R-101SW
Compare
30-160k Hz 10" 150 watts 14-9/16inch x 14-1/16inch x 20-13/16inch"
Klipsch RP-1200SW
Compare
17-138k Hz 12" 400 watts 18-15/16inch x 17inch x 25-15/16inch"
KEF KC62
Compare
11-200k Hz 6.5" 1000 watts 9-5/8inch x 10-1/8inch x 11-1/16inch"
Klipsch R-100SW
Compare
32-120k Hz 10" 150 watts 14-5/8 x 12-9/16 x 18-1/16inch"
Wharfedale SW-15
Compare
30-120k Hz 15" 400 watts 22-7/16inch x 19-3/8inch x 24-3/16inch"
Klipsch SPL-100
Compare
27-125k Hz 10" 200 watts 16-7/16 x 14-1/16 x 18-13/16inch"
B&W ASW610
Compare
27-140k Hz 10" 200 watts 12-5/8 x 12-1/4 x 15-1/2inch"
KEF KUBE 8b
Compare
34-140k Hz 8" 300 watts 11-9/16 x 11-5/8 x 13-5/16inch"
KEF KUBE 10b
Compare
24-140k Hz 10" 300 watts 14-5/8 x 14 x 15-5/8inch"
B&W ASW608
Compare
32-140k Hz 8" 200 watts 10-11/16 x 10-1/4 x 13-3/4inch"
JBL Stage A120P
Compare
32-150k Hz 12" 250 watts 16-5/16 x 15-7/16 x 18-11/16inch"
Klipsch SPL-120
Compare
24-125k Hz 12" 300 watts 17-11/16 x 14-3/4 x 21-1/4inch"
Frequently Asked Questions about Definitive Technology SuperCube 4000

How low can the DT SuperCube 4000 go?

The DT SuperCube 4000 has a frequency response of 16-200 Hz. It digs below 20Hz, the bottom limit of human hearing, so you get deep, physical bass you feel as much as hear.

How much power does the DT SuperCube 4000 have?

The DT SuperCube 4000 has a built-in 1200-watt RMS amplifier.

Is the DT SuperCube 4000 sealed or ported?

The DT SuperCube 4000 uses a Passive Radiator enclosure. Ported (bass-reflex) designs use a tuned vent to move more air, giving deeper, louder output for the same driver, which suits home theater.

What driver does the DT SuperCube 4000 use?

The DT SuperCube 4000 has a 8-inch driver.

Does the DT SuperCube 4000 have app control or room correction?

Yes. The DT SuperCube 4000 offers an adjustable low-pass crossover (40-150 Hz) and phase control, letting you dial the sub into your room and blend it with your speakers.

How do you connect the DT SuperCube 4000?

The DT SuperCube 4000 connects via line-level LFE, Stereo RCA and speaker-level Yes inputs.

How big and heavy is the DT SuperCube 4000?

The DT SuperCube 4000 weighs 11.36kg / 25lbs and measures 11-7/8" x 11-1/16" x 12-1/2" (HxWxD).

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