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Powerful sound and effects from the bedroom to the band room.
The Alesis Sumo 100 Keyboard Amplifier with Digital Effects is designed for the gigging musician. You get plenty of clean power with a full-range dual-speaker system for transparent sound. The Alesis Sumo 100 also comes with Stereo Link function to use with a second amp; XLR mic input; stereo effects including Flange, Chorus, Delay, Reverbs and Rotary; and a sturdy, easy-transport design with built-in wheels and handles.
Order today and take it everwhere for killer sound at a budget price.
Reviewed by 9 customers
Displaying reviews 1-9
I think that they are fine. My question, again, is with the consistency of the build for each unit. It seem rather hit and miss with quality. Now 3 out of 4 of mine still work. One of them right now is at church and I use it every Sunday and load everything through it. I also have a powered sub underneath it but I still have the bass cranked on the Sumo because it fills in the mid bass sounds. It fills the room very well and I have a Kawai MP5, Ensoniq VFX-SD and Roland E-09, as well as my vocals going through it. When I had all 4 of them working, I used them as the mid bass and midrange speakers in my PA system. They sounded so good and made such a great sound. Now that I only have 3, I have the one at church and the others in the PA. When I buy a used one, I will employ all 4 of them in the PA again because they sound good.
I like the Stereo Link feature on it too and it works well. I think that the EQ is musical, but when used in a PA situation, I have an electronic crossover that governs what goes to it. The limiter works on it too as I have watched it turn off for a second. The one thing that I wish that it had was an extension speaker jack so I could plug other speakers into it. Have a speaker jack would allow a passive sub to be used with it as well and make it truly a compact full PA type system. They are good units but I think that I can sympathy with others because I get nervous each time I plug them in; are they going to work or not? With that type of thinking, it is hard to think positively with confidence. My other speakers do not cause this problem in my mind; only the Sumo 100's do. With that said, make sure that you at least one backup if you have these. You may not have problems, but it is nice just in case to have the backup.
It has all of the features needed to perform well.
I am not terribly sure of the consistency of the build quality. I own 4 of these and one of them died a couple of years ago. the other three seem to work without fail. With the one that failed there is a loud white noise sound that does not go away. Since it is out of warranty it is probably cheaper to just find a used one and buy it.
I got a total of 4 of these.
I bought this amp about 2 years ago. It lasted 2 jams and just stopped working. Every once in a while I can get it to work for about 5 minutes, but then just stops producing low & mid tones. You can barely here some high tones. It's out of warranty, but I found it to be a very unrealiable amp.
I bought this amp about three years ago to be played with my Roland Fantom S. Every negative aspect of all these other reviews is very true! I am frustrated because every time I practice with my band, I am mad. A.) The fact that I purchased this for Three hundred bucks. B.) It makes my Roland and now my Yamaha P160 as well as my vocals sound like garbage (similar to an AM radio). C.) It is too big, the carry handle broke off, and I could not get the effects (i.e. reverb) to even work on some channels. Hear me out folks. If you are looking to play multiple instruments in your bedroom at reasonable volumes and want to experience playing and singing at the same time, than this is kind of a cool amp considering it is pretty cheap in the realms of music gear. If you plan to incorporate this amp into a band with members who use quality tube amps and a decent sound system, than save you money and buy something better. I plan on selling this tank and will probably only get around 50-75 dollars. Thanks for your time and keep following your dreams!
I got this to use for several applications, including as a keyboard amp, a mic amp, a recording moniter, a temporary bass amp, an electric drum amp, and as an amplifier to boost my mic signal for recording. I guess it's ok if you don't ming TERRIBLE buzz, CRAPPY EQ, and low power that is definantly not 100 watts. I HATE leaving bad reviews, but I'm not trying to dampen your spirits, I'm trying to help you. Maybe I'm just picky, but I HATE buzz and I NEED good EQ. I guess it just comes with being a bass player.
I decided to purchase a Sumo 100 and just test it for myself. I've used it several times now, and it has performed well. The other day I used it with one of my keyboards in a large school auditorium. It was more than powerful enough, and I had to turn it down so that I didn't drown out the singer (who was using the house system). And the hiss problem? The first time I turned it on it was quite noticeable; by the third time I used it I didn't hear a thing.
I got this last year to go along with my Alesis QS8.2. The first thing I notice was that the main speaker MURDERS midrange piano sounds. Synth, EP, and Organ all sound ok, but mid piano sounds like mud. The effects are good, but nothing to write home about. Lastly, and probably least importantly, the rolling handle is a good idea, but it doesn't really work all that well. The wheels are too close together making it really tippy, and if you're even remotely tall, the handle isn't long enough to actually pull it without rolling over your heels. I'd pass on this one
the alesis sumo has a lot to brag about. well, not really. the amp makes a lot of noise. it messes with the sound alot, doesnt really keep the purity of the sound. i run my yamaha p-120 portable digital grand piano through it, and while the piano produces a very pretty sound, the amp seems to mess that up a bit. the amp has one advantage-i put my piano on clavicord, and set the amps effects built in to one of the two delay settings and was able to play the introduction to baba oriley. otherwise, go for the roland amps.
The thing about this amp is that the effects are nice, its pretty light, and its got good wattage. However, at pretty much any volume, the sound is really tinny, and no amount of EQ can help it. Also, at any volume, there is an airy sound, a "shhhhh" if you will. Good for someone screwing around, but for a serious musician, i would NOT recommend this. get a roland.
I can't blame my sumo for breaking down, most amps will after being in a van that catches on fire. The one problem that I had was that the eq got fuzzy if I tried to boost it at all. It got plenty loud for small gigs, even with a full band. If you have no other option in your volume to price ratio then I say go for it. otherwise you might as well upgrade to something a little nicer.