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Customer Ratings & Reviews

Your price for this item is $599.98

Customer reviews

Rating 4.6 out of 5 stars with 496 reviews

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Rating by feature

  • Value

    Rating 4.4 out of 5 stars

  • Quality

    Rating 4.6 out of 5 stars

  • Ease of Use

    Rating 4.7 out of 5 stars

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93%would recommend to a friend

Customers are saying

Customers are positive about the SuperCube 2000's sound quality, size, bass, and power. Many appreciate its ease of setup and sleek design. However, some customers feel the subwoofer is expensive. The excellent audio performance is a frequently cited highlight.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 1 Showing 1-20 of 496 reviews
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    WOW!

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    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Picked this up discounted to add a second subwoofer to my home cinema measuring 8ftx12ft to help better balance LFE sound. On my way home I kept having second thoughts, as i wondered if a sub with such a small footprint could have any reasonable output especially compared to my current main sub - an SVS PB12-NSD which is more than twice the size. Initially, i disconnected the main sub, to see how this little sub performed on its own. Wow! My chair vibrated, the air and room was fillled with low frequency sound. I quickly checked to confirm if i did in fact disconnect the main sub and i did. The little sub not only pressurized the room but each note of music and movies was heard as much as felt. At moderate volumes the Def tech sub kept up with my larger SVS sub at all but the lowest frequecies. Dont let the size of this sub fool you, If you need to fill a small room and are short on space look no further. In my opinion its worth 599, but a steal if discounted.

    I would recommend this to a friend
  • Pros mentioned:
    Bass, Size, Sound quality

    Rated 5 out of 5 stars

    Pleasantly surprised!

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    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    All I can say is wow! For something this small to put out that much sound in the low registers is simply amazing. I really couldn’t believe it until I plugged the thing up. I got an Onkyo NR 676 and I plugged it up to the subwoofer out. Tested with Post Malone Rockstar and you could really feel it, even halfway across the room. I have open concept loving room and I could hear the glass in the cabinets slightly clanging against one another. Beautiful! Especially since this box has only 7 inch woofers. I watched a few videos on Definitives’s website and I’m believing their hypotheses about those bass resonators. Got this sub on sales too January 2020, so it’s a heck of a deal if you can find one. I’ll probably go all Definitive one day if I can afford thier higher end stuff. iPhone 8 in the picture for size compare.

    I would recommend this to a friend
  • Pros mentioned:
    Size

    Rated 5 out of 5 stars

    Great SW for most systems!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is my second Definitive Technology - SuperCube that I've owned and both are great! The newer DEFTECH 2000 7-1/2" 650W Powered Subwoofer sounds great and has a very small footprint....which is a plus. It was very easy to hook up to my system and I've been enjoying if for months with no issue. It's a little punchy, but that can be addressed thru proper setup. Overall it's a very reliable SW.

    I would recommend this to a friend
  • Pros mentioned:
    Bass, Size, Sound quality

    Rated 5 out of 5 stars

    Amazing sound from such a small cube

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    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Rich, wholesome sound. It doesn’t miss out on the deep bass with music and movies. The sound fills out the medium to large size living room well. That is something I wouldn’t expect from a small 1ft x 1ft cube like that. Overall, it has a very nice look as well, but both top and base may attract fingerprints easily. Good thing it comes with a cloth protecting the top and bottom that would also be great to wipe off fingerprints.

    I would recommend this to a friend
  • Pros mentioned:
    Sound quality

    Rated 5 out of 5 stars

    Powerful, accurate bass from a small package

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    When I first plugged this sub in to replace my 20 year old Velodyne, I was underwhelmed. However, after a few days of breaking it in, changing the crossover to 60 Hz and turning up the LFE output from my receiver, I am seriously impressed. I’m hearing notes now that I never heard before with my old sub. If I turn the volume up, it can shake my entire living room but at just over half volume, it is tight, accurate and musical. It fits perfectly in the mix with my Audioengine speakers and provides both low end oomph for music and room shaking LFE for movies. I love this thing! Glad I stuck it out and gave it a few days. I’m super impressed and love the new sound I have in my living room home theater.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Ease of use

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Easy to set up and use. Nice design, may have liked it taller to cover plugs behind it

    I would recommend this to a friend
  • Pros mentioned:
    Bass

    Rated 5 out of 5 stars

    Excellent Bass Sound for compact Speaker

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great bass sound during action pack movies. Powerful compact bass sound.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    def tech

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent product, I would recommend this product.

    I would recommend this to a friend
  • Pros mentioned:
    Bass, Size, Sound quality

    Rated 5 out of 5 stars

    Great BANG for the buck!!!!!

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    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I got this sub as a floor model. I had read reviews, and was looking for a compact sub with a good punch. I’m running 6 Yamaha NCIS 800 ceiling speakers from a onkyo TX NR656 and it sounded good before. But when I hooked up this sub it blew me away, it was like I was missing half the music. It put out such a clean bass line and you can’t tell where it’s coming from in my kitchen/ dining room or my living room. A lot of BANG for the bucks. Highly recommended.

    I would recommend this to a friend
  • Pros mentioned:
    Bass, Power, Size
    Cons mentioned:
    Price

    Rated 5 out of 5 stars

    Rocks the house!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I bought this sub because it was the smallest one I could find. When I brought it home I was amazed about how much power it had and the great bass it produced. It was a little costly at $699.00 but is worth it.

    I would recommend this to a friend
  • Pros mentioned:
    Bass, Sound quality

    Rated 5 out of 5 stars

    Definitive Technology Supercube 2000

    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I have a fairly large room 13”x33” I bought the pro cinema 600 on sale about a month ago. The pro sub that comes with that system sounds great and works well with the system. I decided to look into adding another to fill out the bass and bought the supercube 2000 on sale. After hooking it up on its own and setting the bass level to 10 o’clock on the rear dial, this Subwoofer sounds great. It’s very smooth, tight, no matter what you play. I like the sound so much I decided to not use the other pro sub with it. The size is laughable at first look, the fit and finish is nice, though the top of mine had a very small scratch out of the box, but I don’t think it’s worth exchanging over. I highly recommend for anyone looking for good, clean, accurate bass in a compact speaker.

    I would recommend this to a friend
  • Pros mentioned:
    Power, Size, Sound quality

    Rated 4 out of 5 stars

    Small with great sound

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Purchased this unit because I was looking for more clear base to add to my home audio. The salesman didn't take much to talk me into it. He hooked it up, turned it on and I was sold. This little unit ended up being what I needed. I have about 800 sq. ft theatre room that I needed the sound to fill and my 100 watt Polk simply wasn't enough. This sub makes a world of difference from the paperbag sound of the Polk that didn't have enough power to handle what I was trying to do

    I would recommend this to a friend
  • Pros mentioned:
    Size

    Rated 5 out of 5 stars

    a lot of bang for your buck! literally

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Okay love the size and the depth of sound. Rocks the whole room. We had a much bigger subwoofer and it took up so much space. This has far better quality and is great for surround sound. We have an 86=5" Samsung TV so needed big sound. We have it tucked away on the floor and its perfect. Be careful though some of the serial numbers were recalled so check to be sure yours wasn't on the list and call the manufacture to find out directly. Best buy was not helpful at all in soliving the issue. In fact the supervisor in Goleta promised me a call back after speaking to them about the return fthree times and to no avail. I was so happy with best buy and now I'm not so disappointed I can't recommend them and may look elsewhere to finish the room. Like the subwoofer though.

    I would recommend this to a friend
  • Pros mentioned:
    Bass

    Rated 5 out of 5 stars

    VERY IMPRESSIVE LITTLE GUY!

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    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought this at a killer price last December after deciding my Kef Reference Ones and Denon receiver needed mo bass! I was in the A/V industry for 20 years (many years ago) so I consider myself somewhat picky. Def Tech has always had a pretty good rep in the industry to I decided to take a chance. I was hesitant because my main speakers are high end and I was worried the SC2000 wouldn't keep up. I hooked it up to the LFE out on my Denon and adjusted the receiver's crossover to match the sub and my Kefs. After a few days, testing it with my fave movies and music, I was blown away! While not what many would consider a true "audiophile" sub, this thing really does its job very well. I plan on adding a second SC2000 in the next couple of months to get an even more balanced sound in my room and make sure I don't inadvertently overwork the sub. This is just me being picky, though, because it fills my room very well for both movies and music. Would definitely (see what I did there?) recommend this sub!

    I would recommend this to a friend
  • Pros mentioned:
    Power, Size

    Rated 5 out of 5 stars

    Awesome 7 inch sub that sounds like a 10 inch.

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    PRO: A lot of power in a 7 inch box because it has 3 speakers and 650 watts. It's compact so it fits almost anywhere. Sealed subwoofer so it responses faster than ported subwoofers Big range from 20hz to 200hz CON: no remote to adjust the volume like the Supercube sc4000 and sc6000.

    I would recommend this to a friend
  • Pros mentioned:
    Bass, Size, Sound quality

    Rated 5 out of 5 stars

    Powerful and Full Sound

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This speaker replaced a 17 year old Carver Knight Shadow Subwoofer. Major difference in the sound, including a more robust bass. The SC2000 feels like it fills up the room.

    I would recommend this to a friend
  • Pros mentioned:
    Size

    Rated 5 out of 5 stars

    Simple Sub with great sound

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is a great little sub that can easily fill a medium sized room with deep bass. The sub is very "simple", there is just one RCA connection in the back with a volume knob. It would be nice to have a crossover adjustment knob, but I can live without it. This sub can really shake the floor if you crank it. The sound is deep without sounding boomy. I've always been happy with Definitive Technology products.

    I would recommend this to a friend
  • Pros mentioned:
    Bass, Sound quality

    Rated 5 out of 5 stars

    Buy it!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I went to an audio store about 15 years ago and told them I wanted the best system they had. They sold me 2 Definitive front towers, 2 rear surround speakers, and a center speaker. They told me I did not need a subwoofer because they were in the towers. I was never happy with the sound and would sit longingly in the sound rooms at Fry's and Best Buy with their deep bass and fret that my system was not up to par. This year, I bought a new Denon amp at Best Buy. It made everything crisper but I still missed my bass. After all these years, I decided to add the bass. I went to Best Buy and listened to all the choices for over an hour. I finally made my decision. When I told the rep, he asked what system I already had. When I told him Definitive, he advised against what I had chosen, and said just to go for the best. My father told me to always buy the best and I would never be dissatisfied. It was a couple of hundred $$ more than the one I had chosen, but he said it was worth it. Boy was he right! Once home, the moment the sound kicked in, I realized what I had been missing all these years. It created a whole new depth to the listening experience. Movies come alive. I just listen in awe. Buy the best. Buy this sub.

    I would recommend this to a friend
  • Pros mentioned:
    Size, Sound quality
    Cons mentioned:
    Price

    Rated 5 out of 5 stars

    Sounds great!!

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The Definitive Technology - SuperCube 2000 really is a surprise, clean punchy bass and can get pretty low when it needs to. With it's small size it can fit or hide almost anywhere for a stealthy look. Musically I'd say it does a good job of adding that lower octave that is needed if you have bookshelf speakers. It does cost more than alot of larger subs from other manufacturers, but the ability to place the sub almost anywhere and get great bass is really hard to beat. Overall I am very pleased with the sub and would love to hear the larger SuperCubes but for the price and the convenience this sub is hard to beat!! When we were at Best Buy my wife and i did test out quite a few other subs and the SuperCube just sounded better than all the rest they had in the sound room.

    I would recommend this to a friend
  • Pros mentioned:
    Bass, Sound quality

    Rated 5 out of 5 stars

    Unbeatable combination

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very simple - are there stronger subs for the money? Sure there are. But are there any that are smaller than a 1' cube? None for anywhere NEAR this kinda money, especially when it is on sale. When footprint is considered, this little guy is a beast. For some perspective, I have Def Tech 9040 towers and the 9080 center, so I already have integrated subs. My setup is in a shared family room that opens into kitchen/dining area so it is LARGE, with high ceilings as well. Just for grins, I added one of these to the mix, not really sure if I would even hear it over the subs in the towers and center, but hey - it very much holds its own. It doesn't knock pictures off the wall in this large of a space, but it absolutely adds an element that was not already here. Even my wife and young children noticed immediately how much stronger the bass response was. And the kicker for me - it is not loose or sloppy in the slightest. It is tight, well controlled and yet still impactful. Very impressive, musical little sub. And thats the highest compliment I can give it. Former Magnolia employee.

    I would recommend this to a friend