Alesis Sumo 300 Keyboard Amplifier (300 Watts, 1x15 in.)
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zZounds Gear Experts Say...
300 watts. Built-in DSP.
Overview
The Sumo Keyboard Amplifiers are powerful new keyboard and PA amplifiers designed for the gigging musician. You get plenty of clean power with a full range dual-speaker system for transparent sound on stage or in a studio. The Sumo also comes with Stereo Link capability, XLR mic input, and a sturdy, easy transport design with built-in wheels and handles.
Features:
Amplifier for electronic pianos, synthesizers and PA applications
Full-range, dual-speaker system Brilliant highs. Clean, solid bass
XLR microphone input to mix in vocals/instruments
Built-in Stereo Effects including Flange, Chorus, Delay, Reverbs and Rotary
Stereo Headphone jack that disables input when plugged in
Stereo Link function to use a second amp as for stereo stage application
Master 3-band equalization section
Built-in sturdy wheels and handles for quick and easy transport
Bass/Treble EQ and Microphone input (Channel 1 only)
Internal digital effects processor with 15 preset effects
3-band EQ in master section
XLR stereo main outputs
Headphone output
Stereo link feature
Features:
Amplifier for electronic pianos, synthesizers and PA applications
Full-range, dual-speaker system Brilliant highs. Clean, solid bass
XLR microphone input to mix in vocals/instruments
Built-in Stereo Effects including Flange, Chorus, Delay, Reverbs and Rotary
Stereo Headphone jack that disables input when plugged in
Stereo Link function to use a second amp as for stereo stage application
Master 3-band equalization section
Built-in sturdy wheels and handles for quick and easy transport
Bass/Treble EQ and Microphone input (Channel 1 only)
Internal digital effects processor with 15 preset effects
3-band EQ in master section
XLR stereo main outputs
Headphone output
Stereo link feature
Specs
300W 4-channel keyboard amplifier
Speakers: 2-way speaker design, with a 15-inch woofer and a horn
Inputs: 4 stereo line inputs with post-fader effects sends
Output(RMS): Mono @ 1% THD 305 watts at 8ohm
Weight: 75 lbs
Dimensions: 19 x in. 16.5 in. x 29 in. (W x L x D)
Speakers: 2-way speaker design, with a 15-inch woofer and a horn
Inputs: 4 stereo line inputs with post-fader effects sends
Output(RMS): Mono @ 1% THD 305 watts at 8ohm
Weight: 75 lbs
Dimensions: 19 x in. 16.5 in. x 29 in. (W x L x D)
Documents and Manuals
For support or warranty questions, please contact the manufacturer:
Phone: 401-658-5760
Web: https://support.alesis.com
Phone: 401-658-5760
Web: https://support.alesis.com
Reviews
Reviewers gave this product an overall rating of 5 out of 5 stars.
(50 ratings)
Submitted July 8, 2005 by a customer from CHARTER.NETR
"BEST AMP IN IT'S CLASS!"
This review has been selected by our experts as particularly helpful.
I PLAY BLUES AND CLASSIC ROCK IN SMALL BARS, CLUBS AND FOR PRIVATE PARTIES - IT HAS ALL THE GUTS AND QUALITY SOUND THAT I'LL EVER NEED FOR THESE VENUES - I DON'T PLAN TO CHANGE MY PERFORMANCE SETTINGS AS I'M A ROCKIN' ROLL RELIC AT AGE 55 - I HAVE NO REASON TO CHANGE EQUIPMENT AS LONG AS THIS ONE IS STILL GOING - HAVING RESEARCHED EVERYTHING OUT THERE, THIS IS BY FAR THE BEST PRODUCT FOR THE MONEY!
Sound
THIS IS A GREAT SOUNDING AMP FOR THE MONEY - I PREVIOUSLY OWNED WHAT I THOUGHT WERE DECENT QUALITY ROLAND AND BEHRINGER KEYBOARD AMPS, BUT WAS NOT REAL SATISFIED - I BOUGHT THEM ON 30 DAY TRIALS, GOT MY MONEY BACK, AND MY THIRD TRY WAS THE ALESIS SUMO 300 - SINCE THIS AMP COST b$100 LESS THAN THE EQUIVALENT ROLAND, I WAS NOT EXPECTING GREAT THINGS - TO MY DELIGHT, THE SOUND WAS A LOT BETTER THAN THE OTHER 2 PRODUCTS - I USE IT FOR MY KORG TRITON LE KEYBOARD - IT HAS GREAT TREBLE AND BASS - THE ROTARY SOUND EFFECT IS AWESOME - THE SPEAKERS DO NOT DISTORT AT HIGH VOLUMES MAINTAINING A HIGH QUALITY SOUND AT ALL VOLUMES - I PLAY IN A BLUES/ CLASSIC ROCK BAND AND IT REALLY SCREAMS! - VERY SATISFIED!
Features
DID NOT COME WITH ACCESSORIES, BUT HAS ALL THE FEATURES AND OPTIONS I WILL EVER NEED - THE MASTER VOLUME AND CHANNEL VOLUME CONTROLS ARE SENSITIVE AND HANDY - THE EFFECTS ARE RICH AND NOT TOO PRONOUNCED AS TO DRASTICALLY ALTER THE CORE QUALITY SOUND - SOME AMPS HAVE OPTIONS THAT YOU WONDER IF ANYONE WOULD EVER USE… read more - THIS ONE HAS FUNCTIONAL CHOICES THAT GIVE ME THE SOUND I WANT AND NEED - SOMETIMES I PERFORM SOLO FOR SMALL PARTIES - THE MIC INPUT IN THE FIRST CHANNEL SOUNDS GREAT - THE QUALITY OF THE KEYBOARD SOUND DOES NOT DIMINISH WHEN THE MIC INPUT IS USED, MAKING THIS A NICE COMPACT UNIT FOR SOLO GIGS.
Quality
THIS IS THE HEAVIEST OF THE THREE AMPS I'VE TRIED, BUT THAT WEIGHT SEEMS TO EQUAL BETTER QUALITY - I ASSUME THE SPEAKER CONFIGURATION AND GUTS ARE SOLID AND CONTRIBUTE TO THE WEIGHT - THE BUILT IN CASTORS MAKE THE WEIGHT A NON-ISSUE - EASY TO HANDLE AND TRANSPORT - THE FACTORY QUALITY CONTROL IS EXCELLENT - I HAVE HAD IT FOR A YEAR AND HAVE HAD "0" PROBLEMS - I FULLY TRUST IT - I TAKE IT ON THE ROAD ALL THE TIME - IT HAS BEEN BANGED AROUND A LOT, BUT THE SOLID CONSTRUCTION SEEMS UNPHASED BY THE ABUSE I GIVE IT - I ASSUME IT WILL LAST A LONG TIME
Value
THIS AMP IS A STEAL FOR THE PRICE - THE ROLAND I TRIED THAT COST $100 MORE WAS NOT EVEN CLOSE TO THE QUALITY OF MY ALESIS.
Manufacturer Support
I HAVE NOT DEALT WITH THE COMPANY AS I HAVE HAD NO PROBLEMS WITH THE UNIT - A FRIEND OF MINE IS AN AWESOME KEYBOARD PLAYER AND HAS OWNED AN ALESIS KEYBOARD FOR OVER 10 YEARS - HE REPORTS NEVER HAVING A PROBLEM WITH IT IN ALL THAT TIME - HE RECOMMENDED I TRY THIS COMPANY'S AMPS - BASED ON HIS EXPERIENCE I DON'T ANTICIPATE NEEDING ANY REPAIRS FOR A LONG TIME, IF EVER.
The Wow Factor
THIS AMP LOOKS BEAUTIFUL ON STAGE - THE CHROME CONTROLS ON THE INTERFACE CONTRAST WELL WITH THE BLACK FRONT - I LOVE THE ALESIS INSIGNIA THAT LIGHTS UP IN A NEAR NEON BLUE ON THE FRONT OF THE AMP JUST BELOW THE CONTROLS WHEN THE POWER IS ON - GREAT LOOK AND FEEL
Musical Background:
ACTIVE MUSICIAN - HAVE PLAYED FOR 40 YEARS.
Musical Style:
BLUES/CLASSIC ROCK read less
Sound
THIS IS A GREAT SOUNDING AMP FOR THE MONEY - I PREVIOUSLY OWNED WHAT I THOUGHT WERE DECENT QUALITY ROLAND AND BEHRINGER KEYBOARD AMPS, BUT WAS NOT REAL SATISFIED - I BOUGHT THEM ON 30 DAY TRIALS, GOT MY MONEY BACK, AND MY THIRD TRY WAS THE ALESIS SUMO 300 - SINCE THIS AMP COST b$100 LESS THAN THE EQUIVALENT ROLAND, I WAS NOT EXPECTING GREAT THINGS - TO MY DELIGHT, THE SOUND WAS A LOT BETTER THAN THE OTHER 2 PRODUCTS - I USE IT FOR MY KORG TRITON LE KEYBOARD - IT HAS GREAT TREBLE AND BASS - THE ROTARY SOUND EFFECT IS AWESOME - THE SPEAKERS DO NOT DISTORT AT HIGH VOLUMES MAINTAINING A HIGH QUALITY SOUND AT ALL VOLUMES - I PLAY IN A BLUES/ CLASSIC ROCK BAND AND IT REALLY SCREAMS! - VERY SATISFIED!
Features
DID NOT COME WITH ACCESSORIES, BUT HAS ALL THE FEATURES AND OPTIONS I WILL EVER NEED - THE MASTER VOLUME AND CHANNEL VOLUME CONTROLS ARE SENSITIVE AND HANDY - THE EFFECTS ARE RICH AND NOT TOO PRONOUNCED AS TO DRASTICALLY ALTER THE CORE QUALITY SOUND - SOME AMPS HAVE OPTIONS THAT YOU WONDER IF ANYONE WOULD EVER USE… read more - THIS ONE HAS FUNCTIONAL CHOICES THAT GIVE ME THE SOUND I WANT AND NEED - SOMETIMES I PERFORM SOLO FOR SMALL PARTIES - THE MIC INPUT IN THE FIRST CHANNEL SOUNDS GREAT - THE QUALITY OF THE KEYBOARD SOUND DOES NOT DIMINISH WHEN THE MIC INPUT IS USED, MAKING THIS A NICE COMPACT UNIT FOR SOLO GIGS.
Quality
THIS IS THE HEAVIEST OF THE THREE AMPS I'VE TRIED, BUT THAT WEIGHT SEEMS TO EQUAL BETTER QUALITY - I ASSUME THE SPEAKER CONFIGURATION AND GUTS ARE SOLID AND CONTRIBUTE TO THE WEIGHT - THE BUILT IN CASTORS MAKE THE WEIGHT A NON-ISSUE - EASY TO HANDLE AND TRANSPORT - THE FACTORY QUALITY CONTROL IS EXCELLENT - I HAVE HAD IT FOR A YEAR AND HAVE HAD "0" PROBLEMS - I FULLY TRUST IT - I TAKE IT ON THE ROAD ALL THE TIME - IT HAS BEEN BANGED AROUND A LOT, BUT THE SOLID CONSTRUCTION SEEMS UNPHASED BY THE ABUSE I GIVE IT - I ASSUME IT WILL LAST A LONG TIME
Value
THIS AMP IS A STEAL FOR THE PRICE - THE ROLAND I TRIED THAT COST $100 MORE WAS NOT EVEN CLOSE TO THE QUALITY OF MY ALESIS.
Manufacturer Support
I HAVE NOT DEALT WITH THE COMPANY AS I HAVE HAD NO PROBLEMS WITH THE UNIT - A FRIEND OF MINE IS AN AWESOME KEYBOARD PLAYER AND HAS OWNED AN ALESIS KEYBOARD FOR OVER 10 YEARS - HE REPORTS NEVER HAVING A PROBLEM WITH IT IN ALL THAT TIME - HE RECOMMENDED I TRY THIS COMPANY'S AMPS - BASED ON HIS EXPERIENCE I DON'T ANTICIPATE NEEDING ANY REPAIRS FOR A LONG TIME, IF EVER.
The Wow Factor
THIS AMP LOOKS BEAUTIFUL ON STAGE - THE CHROME CONTROLS ON THE INTERFACE CONTRAST WELL WITH THE BLACK FRONT - I LOVE THE ALESIS INSIGNIA THAT LIGHTS UP IN A NEAR NEON BLUE ON THE FRONT OF THE AMP JUST BELOW THE CONTROLS WHEN THE POWER IS ON - GREAT LOOK AND FEEL
Musical Background:
ACTIVE MUSICIAN - HAVE PLAYED FOR 40 YEARS.
Musical Style:
BLUES/CLASSIC ROCK read less
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