1 used from $899.99

Have one to sell? Sell on Amazon

Definitive Technology SuperCube I 120v Subwoofer (Single, Black) (Discontinued by Manufacturer)

4 out of 5 stars 13 customer reviews

Available from these sellers.
  • Single, supercube amplified subwoofer speaker
  • Equipped with one 10-inch long-throw polymer subwoofer coupled to two 10-inch sub-bass radiators
  • Built-in 1500 watts digitally-coupled Class D amplifier
  • Frequency response: 13Hz - 200Hz
  • High quality finish in piano gloss black
1 used from $899.99
This item’s packaging will indicate what is inside and cannot be hidden.

AV Deals AV Deals


Product Specifications

Brand NameDefinitive Technology
Speaker TypeSubwoofers
Color NameBlack
Item Display Height14.1 inches
Depth14.25 inches
Driver Configuration1x 10" long throw woofer, pressure coupled to 2x 10" low bass radiators
Frequency Response Curve13 Hz - 200 Hz
Speaker Driver Material TypePolypropylene
Maximum Speaker Depth (inches)14.25 inches

Technical Details

  • Bass driver: One 10-inch long-throw polymer subwoofer coupled to two 10-inch sub-bass radiators
  • High pass crossover: Low level Inputs: 12 dB/octave continuously variable (40 to 150 Hz), speaker level: 6 dB octave (80 Hz)
  • Low pass crossover: 24 dB/octave continuously adjustable variable (40 - 150 Hz) plus Unfiltered LFE direct coupled input
  • Power amplifier: 1500 Watts Digitally-Coupled Class D Amplifier
  • Inputs: Low-level inputs: gold plated RCA left, right and direct LFE in, speaker level inputs: 5 way gold plated binding posts left and right channel
See more technical details

Product Description

Product Description

Definitive's SuperCubes are a new breed of powered subwoofers which utilize unique technology and components in order to achieve state-of-the-art performance from remarkably small boxes. Remember, it is important to understand when you are evaluating the SuperCubes that you can not simply compare them to conventional subwoofers based on driver size. Because of their unique technology, the SuperCubes deliver far superior performance to conventional subwoofers which utilize drivers of 50% - 80% larger diameter.

From the Manufacturer

SuperCube: Redefining the "Low End"

Definitive's SuperCubes are a new breed of powered subwoofers which utilize unique technology and components in order to achieve state-of-the-art performance from remarkably small boxes. Remember, it is important to understand when you are evaluating the SuperCubes that you can not simply compare them to conventional subwoofers based on driver size. Because of their unique technology, the SuperCubes deliver far superior performance to conventional subwoofers which utilize drivers of 50% - 80% larger diameter.


Technical Specifications

  • Dimensions: 14-1/4" W x 14-1/4" D x 14-1/10" H
  • Frequency Response: 13 Hz – 200Hz
  • Driver Complement: One 10" long-throw polymer subwoofer coupled to two 10" sub-bass radiators
  • Built-in Amplifier: 1500 watts Digitally-Coupled Class D Amplifier
  • Low Pass Crossover: 24 dB/octave continuously adjustable variable (40 – 150 Hz) plus Unfiltered LFE direct coupled input
  • High Pass Crossover: Low level Inputs: 12 dB/octave continuously variable (40 – 150 Hz)
  • Speaker level: 6 dB octave (80 Hz)
  • Finish: Piano gloss black
  • Weight: 76 lbs.



Choosing Definitive Technology Speakers for Your Home

Definitive Technology offers many quality speakers that are just right for your home. Which speaker, or set of speakers, you choose depends on how much you are willing to spend and which features you prioritize in a home theater environment. All of Definitive Technology's speakers are audiophile-engineered, designer-styled loudspeakers intended for musical reproduction and home theater systems of the highest quality. Thousands of man-hours of critical listening and engineering utilizing the most advanced computer loudspeaker development programs available--along with fundamental research at the world's most advanced loudspeaker research facility--have combined to create unmatched instruments for the reproduction of music or movies in your home.
  • SuperCube I Subwoofer: Definitive's SuperCubes are a new breed of powered subwoofers which utilize unique technology and components in order to achieve state-of-the-art performance from remarkably small boxes. Remember, it is important to understand when you are evaluating the SuperCubes that you cannot simply compare them to conventional subwoofers based on driver size. Because of their unique technology, the SuperCubes deliver far superior performance to conventional subwoofers which utilize drivers of 50% - 80% larger diameter. Equipped with one 10-inch long-throw polymer subwoofer coupled to two 10-inch sub-bass radiators.
  • SuperCube II Subwoofer: Definitive's SuperCubes are a new breed of powered subwoofers which utilize unique technology and components in order to achieve state-of-the-art performance from remarkably small boxes. Remember, it is important to understand when you are evaluating the SuperCubes that you cannot simply compare them to conventional subwoofers based on driver size. Because of their unique technology, the SuperCubes deliver far superior performance to conventional subwoofers which utilize drivers of 50% - 80% larger diameter. Equipped with one 8-inch long-throw polymer subwoofer coupled to two 8-inch pressure-driven infrasonic bass radiators.
  • SuperCube III Subwoofer: Definitive's SuperCubes are a new breed of powered subwoofers which utilize unique technology and components in order to achieve state-of-the-art performance from remarkably small boxes. Remember, it is important to understand when you are evaluating the SuperCubes that you can not simply compare them to conventional subwoofers based on driver size. Because of their unique technology, the SuperCubes deliver far superior performance to conventional subwoofers which utilize drivers of 50% - 80% larger diameter. Equipped with one 7.5-inch long-throw driver to two 7.5-inch pressure-driven infrasonic bass radiators.
  • SuperCube Reference Subwoofer: The SuperCubes set new performance standards for high-output ultra-compact subwoofers. With the new SuperCube Reference, Definitive sets new performance standards for subwoofers period! The Reference incorporates a 14" version of the 10" SuperCube® Technology driver pressure coupled to two 14" infrasonic radiators. All this is powered by an 1800-watt class D amplifier. The result is astounding high-definition bass performance extending effortlessly down below 11 Hz. Each SuperCube Reference goes lower than and has dynamic impact and output capabilities almost equivalent to that of four SuperCube subwoofers combined. Slam, pace and rhythm are exemplary as is the ability to actually shake cement slab foundations. A complete complement of inputs and controls, including continuously variable level, high-pass, low-pass and phase controls, speaker and line level in and out, and LFE Direct in, are included on this surprisingly compact and stylish cube.
  • SuperCube Trinity Signature Subwoofer: The new SuperCube Trinity Signature is a very special over-the-top powered subwoofer which was originally developed for the state-of-the-art electronic organ at Trinity Church in New York (which uses a huge multiple array of Definitive bipolar towers - one for each organ pipe). It delivers outstanding low frequency performance which heretofor has not been available in such a compact enclosure. In fact, it was designed to replace 5' x 5' x 8" boxes which had previously been used in organs of this type. Capable of prodigious output (in excess of 128 db at 20 Hz and 116 db at 16 Hz in a normal room) the Signature is also quick and highly detailed. It may be used vertically or positioned on its back when custom installations call for it.

  • Product Details

    • Product Dimensions: 14.2 x 14.2 x 14.1 inches ; 53 pounds
    • Shipping Weight: 75.4 pounds
    • Domestic Shipping: Item can be shipped within U.S.
    • International Shipping: This item is not eligible for international shipping. Learn More
    • ASIN: B000TDAPHQ
    • Item model number: LAZA
    • Average Customer Review: 4.0 out of 5 stars 13 customer reviews
    • Amazon Best Sellers Rank: #75,250 in Electronics (See Top 100 in Electronics)
    • Product Warranty: For warranty information about this product, please click here
    • Date first available at Amazon.com: April 18, 2005
    •  Would you like to update product info, give feedback on images, or tell us about a lower price?

    Customer Reviews

    Top Customer Reviews

    I've owned a lot of powered subwoofers over the last 15 years.
    M&K, Polk, Infinity, Cambridge Soundworks, Yamaha, Boston Acoustics, Advent.

    None of these, with the exception of M&K have a sub on the market that can touch this subwoofer. Deep extension, oodles of power and sweet looking to boot.
    As another reviewer noted, it probably doesn't weight 75 pounds on its own. In the box, yes, thats the weight. Out of the box it's 63 pounds. Still a very hefty sub especially when you consider its crammed into a 14" squared box. I emailed Definitive Technology to get some clarification on the performance specifications on this sub.
    Although it's advertised everywhere that it will reach down to 13Hz, the useable frequency response is down to a more reasonable 20Hz -3db anechoic measured. So, in your room you may expect to see this output or even better if your room is on the smaller side (under 1500 cu.ft.)
    The 10" driver weighs in at over 21 lbs. That's one heavy driver.
    I'm extremely satisfied with the performance and can recommend it without reservation. However, one thing I do have an issue with is the auto-on feature. I like to listen at low volume now and again. When I do this, I lose the bass response in my system because this sub requires a stronger signal to turn it on. I think Definitive kind of blew it on this one by not offering a bypass feature that allows this sub to be constantly on instead of needing a signal to kick it into gear.
    Other than that, this thing is truly a stellar performing subwoofer.
    Comment 23 of 23 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
    Thank you for your feedback.
    Sorry, we failed to record your vote. Please try again
    Report abuse
    Verified Purchase
    Compact cabinet for so much sonic energy created. This sub woofer rocks the house. The first time we heard it kick in we thought the sounds were coming from a truck or plane outside the house. Great controls for cross-over, phase, etc. Good selection of connection methods too.
    Comment 4 of 4 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
    Thank you for your feedback.
    Sorry, we failed to record your vote. Please try again
    Report abuse
    All I can say in a word is WOW. To be dubious about a claim that a 10" diameter cone can project 1,500-watt peaks is understandable. To see it demonstrated in a store, however, is something else.

    Is it pricey? You betcha. But considering that its closest competitor is a $1,299 Klipsch that can only deliver about 25% less RMS power, it should come as no surprise that this is the Ferrari of subwoofers to get.

    It will deliver clean-sounding bass that actually rattles the double-glazed windows of a 6-year old home when cranked to barely tolerable levels. And don't worry about blowing this beauty; it has automatic protection circuitry that will shut anything down before it harms itself. Tried cranking the subwoofer all the way and it performed admirably in this regard. That said, with the volume only turned up 1/2 way on the back of the subwoofer, I was hearing a pile of money slapped down on a desk with a huge audible THUMP...in a Spongebob cartoon. A cartoon, for crying out loud!

    I put it through the motions, including the opening capital starship battle of Star Wars Episode III: Revenge of the Sith. It was a jaw-droppingly awesome experience. Even Rock Band 3 sounds better than before!

    I highly recommend this subwoofer; it seems like a lot of money, but the quality of this speaker compared to others that are 1/2 its price is well worth the expenditure. Go for it!
    1 Comment 7 of 9 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
    Thank you for your feedback.
    Sorry, we failed to record your vote. Please try again
    Report abuse
    This was purchased as the sub for a system in which I have 3 Mythos Tens for front left/right/center channels and 2 Mythos Gem XLs for surrounds. I have a longer review of the Mythos Tens for those who are interested.
    This is a good subwoofer. Relatively compact, powerful, tight bass response. Easily rattles the walls when I wnat it to in our 14'x20' family room that is open to the rest of the house. In my system I crossover at 80 Hz, which seems to be about ideal for the speakers in use.
    1 Comment 2 of 2 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
    Thank you for your feedback.
    Sorry, we failed to record your vote. Please try again
    Report abuse
    I decided to upgrade from a Supercube III in May, 2012 when the new models of Supercubes were introduced and they were clearing out the old models. While the Supercube III was adequate for my 16' by 25' great room with 10' ceilings and carpeted flooring, I figured that a bit more power couldn't hurt.

    First, there is a huge difference in power between the Supercube III and the Supercube I. Even though the Supercube I doesn't seem that much bigger than the Supercube III when it's placed into position, the Supercube I is in fact a whole different animal!

    Now that I have the Supercube I for six months I'm ready for a review. I do believe that it takes about 100 hours of paying time to get these subs broken in. Someone reviewing them the day after they set them up is not doing the sub justice.

    Personally I find the Supercube I's base to be clean and crisp. I've had a Martin Logan Dynamo 700 and other DefTech subs and prefer the Supercube I to all of them. The bad side of this sub is that it is just a bit much for my room. I have it set way down to keep the neighbors happy and to keep it from overpowering the rest of my DefTech speaker layout.

    In summary - GREAT SUB! But unless you have a really, really big listening environment to fill you could probably get by with a Supercube II or III.
    Comment 1 of 1 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
    Thank you for your feedback.
    Sorry, we failed to record your vote. Please try again
    Report abuse
    The Def Tech SCi is one amazing subwoofer. I wanted to replace an aging, but fully functional 15" Def Tech Powerfield subwoofer that I have owed for 11 years. That PF 15 is also incredible, more than perfect for movies, but lacks the tight sound music requires. It is simply too boomy. So I bought a SCiii originally. I was impressed with the sound quality, but not the HT quality. So I went with the SCi instead. Boy what a difference. My room is 15" x 25" and the little sciii was not up to the task. I went with the big brother, the SCi, hoping that it would meet my requirements, a sub that sounds good with music and home theater as well.
    I am more than pleased with the performance of this sub. I was able to get it used for only 600 bones, so I got it at a steal!!
    As for the quality of sound, it is a much needed improvement over both my PF15 and the SCiii. The bass drum and guitar on music sounds very realistic. All the low end notes sound more like what the musicians intended.
    As for home theater, it packs a punch. Although it does not seem to go as low as my PF15, it sounds better and more realistic. This sub has more than enough power to drive the transducers to the point were my old PF15 seems very ancient.
    As for the build quality, it is very well put together in terms of the cabinet. One thing is that the glossy top is detachable and if not properly placed back on top, it will rattle. But that is an easy fix, just use some of the cloth on the spikes and you are good to go.
    I highly recommend this sub. I have not heard any other subs in the $1200 range, but I feel that this is one incredible sub.
    Comment 3 of 4 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
    Thank you for your feedback.
    Sorry, we failed to record your vote. Please try again
    Report abuse

    Most Recent Customer Reviews


    Want to discover more products? Check out these pages to see more: subwoofer piano black finish, definitive technology supercube powered subwoofer