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Boss GT-100 Guitar Multi-Effects Pedal  

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Top Rated

Overview

  • Advanced COSM amps that model vintage amp tones and delivers never-before-heard tones
  • Improved EZ Tone with graphical Tone Grid for constructing new patches
  • AMP Customize and OD/DS Customize lets you easily create original amps and overdrive/distortion by customizing their behavior
Description & Specs
  • MSRP:
    $769.00
  • Your Savings:
    - $220.00
  • Your Price:
    $54900
1 Used From $483.12

In Stock & Ready To Ship

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Boss

The long-awaited follow up to the BOSS GT-10 has arrived.

Meet the new BOSS effects flagship, the BOSS GT-100. The GT-100 Amp/Effects Processor boasts next-generation amp modeling that re-creates vintage amps and provides new COSM tones that soar into the future with the dynamics, tone and feel you’d expect from a boutique unit. User interface is improved by a dual-LCD system, while EZ Tone has been enhanced with newly designed Amp Customize and OD/DS Customize features. The GT-100 is a powerhouse processor that spans from classic to futuristic in a friendly, rugged and roadworthy unit.

Advanced COSM Amps: beyond vintage
With its next-generation COSM processor, the BOSS GT-100 offers all-new sonic capabilities. Recreating the meticulous details of vintage amps and how they behave, the GT-100 excels in not only cloning classic amps, but provides a new world of unimagined tones as well. The Amp Customize function lets you mutate classic amps beyond reality.

Easy to use
The GT-100’s unique dual-LCD and eight-knob user interface provides fast access and intuitive control. There are no menus to navigate. The tone-customizing functionality has been improved as well. All patches, amps, and overdrive/distortions can be created from scratch or customized with the graphical Tone Grid.

New A/B Channel Divide
Another new feature onboard the GT-100 Amp Effects Processor is the versatile A/B Channel Divide. Assign different amps and effects to each channel, divide the signal by dynamics and frequency, with each channel capable of driving its own effects and amps settings. Assign smooth, mild lead tones to the mid-to-high pitches, for example, and heavy, cutting tones to the lower notes.

New tonal possibilities with the Accel pedal
A new dimension of expression is available with the Accel pedal, which enables control of multiple parameters simultaneously, as well as time-variant effects such as Feedbacker, S-Bend and Twist. Experiment with creative combinations of parameters, interacting in real time with the pedal.

Features

  • Advanced COSM amps that model vintage amp tones and delivers never-before-heard tones
  • Improved EZ Tone with graphical Tone Grid for constructing new patches
  • AMP Customize and OD/DS Customize lets you easily create original amps and overdrive/distortion by customizing their behavior
  • Newly developed ACCEL pedal for simultaneous control of multiple parameters
  • 2 LCD displays (132 x 64 dots, backlit LCD)
  • MIDI connectors (in, out)
  • 44 effects
  • Program memories: 400 (200 user + 200 preset)

Start exploring new corners of the sound universe, get yours today.

 

GT-100 Guitar Multi-Effects Pedal Specifications:

  • Type: Multi-FX
  • Instrument input: 1/4-inch phone type
  • Aux in stereo: stereo miniature phone type
  • AMP control jack: 1/4” phone type
  • SUB jack output: 1/4" TRS phone type
  • EXT loop jacks (send/return): 1/4" phone type
  • 3”H x 21”W x 11”D
  • 11lb.
  • Power supply: DC 9V
Customer Reviews
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Review Snapshot®

by PowerReviews
BossGT-100 Guitar Multi-Effects Pedal
 
4.3

(based on 23 reviews)

Ratings Distribution

  • 5 Stars

     

    (16)

  • 4 Stars

     

    (3)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (4)

  • 1 Stars

     

    (0)

83%

of respondents would recommend this to a friend.

Pros

  • Excellent sound quality (17)
  • Good selection of effects (17)
  • Responsive (15)
  • Versatile (15)
  • Compact (10)

Cons

    Best Uses

    • Performances (15)
    • Home studio (14)
    • Professional recording (10)
    • Amateur recording (9)
    • Outdoor events / games (8)
      • Reviewer Profile:
      • Experienced (12), Professional musician (10)

    Most Liked Positive Review

     

    Very nice

    I love it. I had a Boss ME-70, it's the same type of set up procedures. Very similar programming but just a lot more options. It has, more pedals to select,...Read complete review

    I love it. I had a Boss ME-70, it's the same type of set up procedures. Very similar programming but just a lot more options. It has, more pedals to select, and in manual, much more switching power. Very easy to adjust to your own particular sound; I didn't have to read the manual to get started, it's a man thing but I like it. Mine is plugged into two tube amps so the amp modeling was not a big thing for me, I just had to make sure the modeling was bypassed.

    The sound possibilities are heavenly.

    CONS: Don't sell your looper yet, like on the ME-70 the loop is only 38 second, with the price of memory I think it's a big flaw not to make it at least a couple of minutes, then the artist is not scared/limited of running out of time.

    CONS2: The preprogrammed sound are mostly for rockers, I wish they would have had more for Blues/Jazz/Old rock guys like me. Mind you I can easily get the sound I want by playing with the adjustments but, I wish they would have helped me a little more.
    So because of the short looper and mostly heavy rock programming, I'll give it a 9/10.

    VS

    Most Liked Negative Review

     

    Big Disapointment

    I REALLY wanted to like this. I've always loved Boss pedals. I play through a Roland (who own Boss) JC-120 amp for 30 years. I've never had a single problem with...Read complete review

    I REALLY wanted to like this. I've always loved Boss pedals. I play through a Roland (who own Boss) JC-120 amp for 30 years. I've never had a single problem with it and still love everything about it (except the distortion effect). But all the GT-100 feels like, is a series of old pedals packed into one unit. It seems restrictive in that you can't use the same type of pedal more than once when putting a preset together (i.e. multiple distortion units, delays or reverbs for shoegaze or ambient sounds). If you can do this, I'm sorry, but I can't figure out how to. The software librarian is nostalgic in that it looks like it was meant to be used with Cakewalk v.1 on Window 3! The USB interface has alot of latency when connecting to your computer (I thus have to go direct in through my sound card and use one of it's channel inputs up).

    All the above is very sad because this should and very well could have been a great unit. With the arrival of VST based units such as Amplitube, Guitar Rig, Pod Farm and so on, the sky's the limit for stacking pedals and building the exact sound you want. Frankly, for the high cost of unit, you're basically buying a computer in a heavy duty box with pedals attached. So why not let it have the same capability and adaptability as its software based competition? If it did, these units would fly off the shelves!

    The GT-100 (like most Roland / Boss gear) is actually built very tough and can take some abuse! Every gigging musician would drool over the opportunity to have the power this unit should without worrying about ruining their PC/Mac. The all in one concept also lets you chain fx without all the extra noise that comes with patching individual analog pedals together with analog chords.

    The GT-100 unit comes with 200 preset slots and 200 for users to fill themselves. Most of the presets sound old and have been heard countless times on countless units. I really don't want to sound like Boston or Dire Straits or even Eric Clapton or The Edge. I haven't wanted to play Hotel California, Aqualung or Highway to Hell for at least 20 years already.

    The other feature I was looking forward to was the ability to use the board to control fx individually like a true pedalboard. While you sort of can do this, it appears you only have access to about 4 fx at a time instead of being able to assign all 8 switches to different fx units.

    Come on Boss / Roland - Get it together and move into the 21st Century and give us our money's worth of new sounds! Also, for the high cost of this unit why cant Boss give you a friggin' A/B switch? As usual, they're always out to get you for even more money no matter how much you spend. Many of the importable presets from the iconic GT-10 will require the purchase of an A/B switch in order to make use of that function and hear the second channel without switching through the computer or bending down to the ground and figuring out which of the 8 dials dies the job.

    In summary, the unit definitely sounds good and is built Boss tough. However, the onboard presets are a huge disappointment as is the lack of ability to really set up your own presets using multiple incidences of the same pedal.

    Reviewed by 23 customers

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    5.0

    Not bad

    By musico

    from Midland, Tx.

    About Me Professional Musician

    Ask me a question

    Verified Buyer

    Pros

    • Compact Design
    • Excellent Sound Quality
    • Good Selection Of Effects
    • Responsive
    • Versatile

    Cons

    • Flimsy Power Cable
    • Noisy In The Board

    Best Uses

    • Events
    • Home Studio
    • Performances
    • Professional Recording

    Comments about Boss GT-100 Guitar Multi-Effects Pedal:

    I've had digital and analog effects over the years. I purchased this unit for a church with an elaborate sound system including in ear monitors. The unit is set up on the "line out" setting on the output. The patches I set up were accurate once the unit was plugged in the board. It was noisy when I was not actually playing, coming through the in ear monitor system which caused complaints from the singers. Going to program some more patches and work with the system just the sound man and myself to work some of the "buzzing" coming through the monitors. Overall, easy to use and what you would come to expect from a digital effects board.

    Comment on this review

    (1 of 1 customers found this review helpful)

     
    5.0

    From 4 to 5 Stars

    By VypalonG

    from Tucson AZ

    About Me Experienced

    Pros

    • Amp Substitute
    • Excellent Sound Quality
    • Good Selection Of Effects
    • Responsive
    • Versatile

    Cons

    • Accel Ctl Pedal
    • Looper
    • Phrase Loop Pedal

    Best Uses

    • Home Studio
    • Performances
    • Professional Recording

    Comments about Boss GT-100 Guitar Multi-Effects Pedal:

    I previously gave this unit 4 out of 5 stars, but I am now upgrading it to a full 5 stars, especially after playing with it some more. This unit basically replaces all of your effects pedals AND amplifiers!!! So, instead of getting that Marshall stack or Fender Twin, you can invest in a very nice PA system and mixer instead. The built-in pre-amp faithfully reproduces vintage and modern amplifier sounds (you must choose the correct output first under the "SYSTEM" menu); hook it up to your PA system or guitar amp and you can get big sounds without the big guitar amps. You can also use it like a pedal board, with a barrel load of simulated stomp boxes that you can turn on an off by stomping on them in "Manual" mode. You can turn off the pre-amp if you're actually using a very nice amp (ahem, Marshall JVM or Fender Twin class). The looper is every bit as horrible as I've described it in my previous review, but I realize that the GT-100 wasn't really designed for looping after all (they have the RC series loopers for that). That's a shame, because I really like to solo over a looping rhythm track. The menus are a breeze to navigate and the user guide is a rather thin and much appreciated booklet, instead of the typical doorstop-type book. The patches are easy to create and store and copy-and-paste and transfer and DELETE ("Initialize" will delete a patch). Because the "ACCEL/CTL" and "PHRASE/LOOP" pedals are thoroughly useless and just make the footprint of this unit 25% wider than it needs to be, you can make the pedals useful again by reassigning them--this is especially useful in "MANUAL" mode, where the pedals act like stomp boxes (you can simulate up to 8 stomp boxes!). The GT-100 represents a tremendous value for what it was designed to do (it was definitely NOT designed to be a looper at all). The only reason I upgraded my review was because I got to know the unit some more and discovered that it played nice with my Fender G-DEC3 Thirty modeling amp and the G-DEC3's awesome Phrase Loop function (coupled with the ULT-4 foot switch).

    Comment on this review

    (2 of 2 customers found this review helpful)

     
    4.0

    Great MFX Pedal. Poor Looper

    By VypalonG

    from Tucson AZ

    About Me Experienced

    Verified Buyer

    Pros

    • Excellent Sound Quality
    • Good Selection Of Effects
    • Responsive
    • Versatile

    Cons

    • Looping

    Best Uses

      Comments about Boss GT-100 Guitar Multi-Effects Pedal:

      I would have given it five stars if not for the terrible looper. Looper only gives you 38 seconds and you can't add removable memory. Looper doesn't show you how much time you have left, which is a shame considering the Fender G-DEC 3 Thirty does. Also, the need to double tap any button is a major inconvenience, especially if you miss the double tap window: too fast or too slow counts as a single tap! Ouch! In practical terms, you could find yourself overdubbing when you meant to stop. The "Accel" button is totally useless. The whole point of getting a pedal like this is to customize your own sound, so the notion of using the Accel pedal to "change the sound and intensity over time" is idiotic. On the bright side, you can reassign the Accel pedal. The expression pedal is horrible for wah wah effects because it isn't spring loaded (get a proper Dunlop CryBaby instead), but it comes in handy for crude volume control. Other than the annoying features I've listed, this is a really nice MFX pedal.

      Comment on this review

       
      5.0

      Great Tones

      By Stratman1

      from Salem, Wi

      About Me Professional Musician

      Ask me a question

      Pros

      • Excellent Sound Quality
      • Good Selection Of Effects
      • Responsive

      Cons

        Best Uses

        • Home Studio
        • Performances

        Comments about Boss GT-100 Guitar Multi-Effects Pedal:

        I have been playing through Marshall combo's (TSL 601) for a long time and I was extremly satisfied with my sound. I play in a cover band and we play most styles of music. After trying the GT-100, I get great Marshall tube sounds, recifier sounds, and clean tones with a great chorus. My original use for this item was in my home studio, but after listening to the sounds I am going to bring to our live shows. I plugged into our PA, ran it through the monitors and I am getting a fantastic sound for all my needs, not to mention I am now running stereo. It has improved my sound as well as the bands. I like the CTRL pedal to switch from channel A to channel B. I now have a great tone and I won't have to break my back carrying a heavy amp around.
        I will always love my Marshall and Deluxe Reverb amps, but I can duplicate those sounds nicely now and I don't have to change the tubes every 12 months. That's a cost savings in itself. Best sounding pedalboard I have tried for the money.

        Comment on this review

         
        5.0

        gt 100

        By larry

        from NC

        About Me Experienced

        Verified Buyer

        Pros

        • Compact Design
        • Excellent Sound Quality
        • Good Selection Of Effects
        • Responsive
        • Versatile

        Cons

          Best Uses

          • Performances

          Comments about Boss GT-100 Guitar Multi-Effects Pedal:

          I bought this to replace another multieffects unit and the difference is night and day. I play our shows direct through the PA with a monitor behind and before the sound was washed out by other instruments and the cleans were ice picky and i hated them. Now with the gt 100 the sound is sitting in the mix correctly and my sounds are great. I can even play country type leads with the clean and sounds warm and fat.
          great purchase

          Comment on this review

          (0 of 3 customers found this review helpful)

           
          2.0

          Dont belive the hype

          By mark rocks

          from New Albany In

          About Me Professional Musician

          Verified Buyer

          Pros

          • Good Selection Of Effects

          Cons

            Best Uses

            • Performances

            Comments about Boss GT-100 Guitar Multi-Effects Pedal:

            This unit has some cool effects but not cool enough to warrant the price. Its my opinion that you would be better off buying a good distortion,chorus,and delay pedal,not only would it be cheaper but you would also have the jest of this unit .Save your money

            Comment on this review

            (1 of 1 customers found this review helpful)

             
            5.0

            Love It !

            By Jeffrey Whitman

            from Tampa FL.

            About Me Experienced

            Ask me a question

            Verified Buyer

            Pros

            • Compact Design
            • Easy To Use No Menus
            • Excellent Sound Quality
            • Good Selection Of Effects
            • Responsive
            • Versatile

            Cons

              Best Uses

              • Amateur Recording
              • Events
              • Home Studio
              • Mobile DJ
              • Performances
              • Professional Recording

              Comments about Boss GT-100 Guitar Multi-Effects Pedal:

              This is one AMAZING piece of equipment. It is built like a tank, and runs like a dream. I use a 52 Tele Hot Rod and a Les Paul Standard Satin. It has specific settings for both and the ability to tweak those as little or as much as you want. Not to mention a truck load of other settings, and I mean a Truck Load.
              I have been playing about 3 hours a day on this for the last week. I have barley scratched the surface of what this equipment will do. Also can be upgraded from your computer. If you do get one, go to the Roland site first,and download the drivers for your computer. Then you can do the upgrades without problems. I have nothing but good things to say about mine.

              Comment on this review

              (1 of 3 customers found this review helpful)

               
              5.0

              THE MULTI-EFFECTS FLAGSHIP DADDY OF ALL

              By Lunk

              from Colorado Springs, CO

              About Me Experienced

              Ask me a question

              Pros

              • Compact Design
              • Convenient Pots
              • Excellent Layout
              • Excellent Sound Quality
              • Good Selection Of Effects
              • Great Fx
              • Great Large Display
              • Responsive
              • Versatile

              Cons

              • Complex For Simple Stuff
              • Not Enough Blues Models
              • Too Modern Oriented

              Best Uses

              • Amateur Recording
              • Events
              • Home Studio
              • If You Have Only One Amp
              • Performances
              • Professional Recording
              • Tone Experiments

              Comments about Boss GT-100 Guitar Multi-Effects Pedal:

              MAYBE I'M BEING LAZY BUT I CAN LITERALLY DIAL UP WHAT I WANT QUICKER ON MY OLD GT-3, TUNER, AMP MODEL, EFFECTS, AND ALL. IT'S SUCH AN INTUITIVE LITTLE MULTI WITH COSM TOO. THIS GIANT THING SHOULD HAVE HAD MORE OLD TUBE MODELING AND QUICK PATCHES FOR BLUES AND STANDARD CLASSIC ROCK - SORRY BUT WE'RE NOT GOING TO GO AWAY JUST BECAUSE THEY CRANK OUT JUNK GENRES ALL THE TIME THAT GET AIRPLAY GALORE. THIS PEDAL CAN BASICALLY DO ANYTHING, BUT, EH, MAY BE SLIGHTLY OVERPRICED AND GIMMICKY. TOO MUCH METAL. THEY WOULD HAVE HAD ME MORE HAPPY EVEN WITH A FREE CASE FOR THE AMOUNT I DROPPED. YOU STILL WILL WANT ONE IF YOU LIKE TO PLAY. IT'S NOT SUBSTANDARD OR ANYTHING. IT JUST DID NOT TURN OUT TO BE AS "NECESSARY" AS I ANTICIPATED, ESPECIALLY AT THAT PRICE. I SHOULD HAVE BOUGHT ANOTHER AX AND JUST LIVED WITH MY GT-3 AND OTHER STOMPS AND WAHS.

              Comment on this review

              (4 of 8 customers found this review helpful)

               
              2.0

              Big Disapointment

              By Winobob Wetpants

              from Jug Bottom

              About Me Professional Musician

              Ask me a question

              Pros

              • Built Boss Tough
              • Compact Design
              • Excellent Sound Quality

              Cons

              • Limited Selection Of Effects
              • No Ab Switch Included
              • No A-b Switch Included
              • Not Versatile
              • Preset Patches Are Lame

              Best Uses

              • Playing Top 40 Covers

              Comments about Boss GT-100 Guitar Multi-Effects Pedal:

              I REALLY wanted to like this. I've always loved Boss pedals. I play through a Roland (who own Boss) JC-120 amp for 30 years. I've never had a single problem with it and still love everything about it (except the distortion effect). But all the GT-100 feels like, is a series of old pedals packed into one unit. It seems restrictive in that you can't use the same type of pedal more than once when putting a preset together (i.e. multiple distortion units, delays or reverbs for shoegaze or ambient sounds). If you can do this, I'm sorry, but I can't figure out how to. The software librarian is nostalgic in that it looks like it was meant to be used with Cakewalk v.1 on Window 3! The USB interface has alot of latency when connecting to your computer (I thus have to go direct in through my sound card and use one of it's channel inputs up).

              All the above is very sad because this should and very well could have been a great unit. With the arrival of VST based units such as Amplitube, Guitar Rig, Pod Farm and so on, the sky's the limit for stacking pedals and building the exact sound you want. Frankly, for the high cost of unit, you're basically buying a computer in a heavy duty box with pedals attached. So why not let it have the same capability and adaptability as its software based competition? If it did, these units would fly off the shelves!

              The GT-100 (like most Roland / Boss gear) is actually built very tough and can take some abuse! Every gigging musician would drool over the opportunity to have the power this unit should without worrying about ruining their PC/Mac. The all in one concept also lets you chain fx without all the extra noise that comes with patching individual analog pedals together with analog chords.

              The GT-100 unit comes with 200 preset slots and 200 for users to fill themselves. Most of the presets sound old and have been heard countless times on countless units. I really don't want to sound like Boston or Dire Straits or even Eric Clapton or The Edge. I haven't wanted to play Hotel California, Aqualung or Highway to Hell for at least 20 years already.

              The other feature I was looking forward to was the ability to use the board to control fx individually like a true pedalboard. While you sort of can do this, it appears you only have access to about 4 fx at a time instead of being able to assign all 8 switches to different fx units.

              Come on Boss / Roland - Get it together and move into the 21st Century and give us our money's worth of new sounds! Also, for the high cost of this unit why cant Boss give you a friggin' A/B switch? As usual, they're always out to get you for even more money no matter how much you spend. Many of the importable presets from the iconic GT-10 will require the purchase of an A/B switch in order to make use of that function and hear the second channel without switching through the computer or bending down to the ground and figuring out which of the 8 dials dies the job.

              In summary, the unit definitely sounds good and is built Boss tough. However, the onboard presets are a huge disappointment as is the lack of ability to really set up your own presets using multiple incidences of the same pedal.

              Comment on this review

              (2 of 3 customers found this review helpful)

               
              5.0

              It doesn't get any better than this!

              By wounded knee

              from Alabama

              About Me Experienced

              Pros

              • Built like a tank
              • You Will Never Be Bored

              Cons

                Best Uses

                  Comments about Boss GT-100 Guitar Multi-Effects Pedal:

                  I have had it for about a month, and it has increased my playing time from about 1/2 an hour
                  a day to four or five hours a day. I can't believe the sounds it is tone heaven. get one!

                  Comment on this review

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