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Product 581052

Gallien-Krueger MB115 1x15 200W Ultralight Bass Combo Amp   

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The MB115 bass combo amp from Gallien-Krueger delivers a big sound from an ultralight, compact package. At 35 pounds and 200W, the bass amplifier ha...Read More

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OVERVIEW

Ultralight, super-portable power on the go.

The MB115 bass combo amp from Gallien-Krueger delivers a big sound from an ultralight, compact package. At 35 pounds and 200W, the bass amplifier has the power to be heard in any situation. The GK MB115 also features a 15" speaker, active 4-band EQ with contour, and defeatable limiter.

FEATURES
  • 200W digital power amp
  • 15" Speaker
  • Active 4-band EQ with contour
  • 1/8" aux input
  • Headphone jack
  • Defeatable limiter

Order now and get your GK tone to go.

Reviews
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Review Snapshot®

by PowerReviews
Gallien-KruegerMB115 1x15 200W Ultralight Bass Combo Amp
 
4.8

(based on 75 reviews)

Ratings Distribution

  • 5 Stars

     

    (67)

  • 4 Stars

     

    (4)

  • 3 Stars

     

    (1)

  • 2 Stars

     

    (2)

  • 1 Stars

     

    (1)

82%

of respondents would recommend this to a friend.

Pros

  • Excellent sound (9)
  • Portable (9)
  • Easy to use (7)
  • Good power output (7)
  • Warm / comfy (7)

Cons

No Cons

Best Uses

  • Performances (8)
  • Home studio (6)
  • Outdoor events / games (4)
  • Professional recording (3)
    • Reviewer Profile:
    • Experienced (7), Professional musician (4)

Most Liked Positive Review

 

GK MB115 Bas Amp

It's not built to be the loudest amp in the world, but bass amps need to be a certain wattage to get their message across with two other screaming guitars nearby. This amp immediately...Read complete review

It's not built to be the loudest amp in the world, but bass amps need to be a certain wattage to get their message across with two other screaming guitars nearby. This amp immediately made me sound like a better bassist, and gave me that 1-2 more db I needed from my old 100-watt amp to add my weight to the mix. I should also add I listened to some 10x2 and 12x2 amps trying to decide if I needed more, smaller speakers (like the Rumble 350, which caught my eye). My take is that they are louder and sometimes more punchy, but for low-end power and true bass "rumble," a single 15 still sounded better to me. If you're looking for a good amp for your 4-5 piece, and you're playing bars and clubs, this is a great purchase.
Compared to some other amps I have used, it is much more simple to operate, but the truth is it actually sounds pretty good right out of the box - - like a bass amp should! I needed an amp with just a few more db to keep up with the guitars in my blues/classic rock 4-piece and this amp fit the bill nicely. The built-in horn does add great high-end when needed, and my experience is that the horn itself is pretty quiet, but if there is line noise from the ac it will accentuate that. Kind of annoying, but when you ground-lift or manage to find clean power it sounds great! (Don't forget to make sure your bass is grounded effectively internally as many cheaper basses, like mine, are not). The compressor works well, the contour circuit is interesting but not the sound I was going for. All in all, good low-end, a nice mid-high range with the horn on, decent eq ability, and that great GK bass "sound" right out of the box. The fact it weighs less than my dog is also amazing!
The only quality issue I have encountered is that the grill does rattle at higher volume sometimes, especially when the limiter is off. Otherwise, this thing seems very well made. I've only played two gigs, but it was an immediate improvement over my old system, and feels pretty rugged. Nothing sticking out to break off, solid sides, decent handle. The handle, which is located on the top of the amp, is pretty stiff to pull-up (on purpose) but the amp is light enough it seems to me it should not be a high-risk break-point.
Good bang for the buck for small-medium rooms. Good line-out for the P.A. board for larger rooms. For the money, I haven't found a bass amp in this price range in stores that can beat it.

VS

Most Liked Negative Review

 

It's a dancin' machine!

I've owned the GK 15 bass amp for 2 years now practicing with a band once a week and playing out 1 or 2 times a month. It has it's positives and negatives. Read complete review

I've owned the GK 15 bass amp for 2 years now practicing with a band once a week and playing out 1 or 2 times a month. It has it's positives and negatives.

This amp has great low end and good tone and is loud enough to be heard over most drummers. The 15 sounds great, the tweeter is just ok. The controls are easy to use and the passive sound is good without feedback when the gain is on 9 o'clock. The only major feature it has is a line out which is good for getting in the mix at medium and large venues.

The amp is very light, however that is it's major drawback. The amp bounces around on the ground on surfaces that are not completely level like my friend's basement and a few venues I've played at.

I play in a loud rock band called People Grinding Axes and yesterday was my last show with this amp because I am sick of the bouncing around on stage. I swapped it for a Fender Rumble 350 2x10 that doesn't sound quite as good as the GK, but it doesn't bounce around and still has the line out. I should also note that the metal grill cracked after about 6 months so I decided to replace it with a plastic screen from a screen door and that seemed to work ok.

The concept is great and it looks like GK decided to put a cloth grill on the new models which will avoid cracking. I also suggest that they add 4 2 pound weights to each corner of the amp to help keep it steady. It would still be under 50 pounds and keep the amp steady on the floor. If you play at quieter volumes, the bouncing may not be an issue.

When GK fixes the grill and makes it more stable it will be 5 stars.

Reviewed by 75 customers

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(2 of 3 customers found this review helpful)

 
5.0

HOLY GK !!!

By 

from missouri

About Me Experienced

Pros

  • Light weight
  • Wicked Sound

Cons

  • Absolutely Nothing

Best Uses

    Comments about Gallien-Krueger MB115 1x15 200W Ultralight Bass Combo Amp:

    This amp is absolutley awesome! Nothing else I have ever played on compares! I play at church primarily and this thing is great sounding with power to spare!!! I use it paired with a Fender p-bass special deluxe and am more than happy with my purchase! WOW!!!

    Comment on this review

     
    3.0

    It's a dancin' machine!

    By 

    from Lansing, MI

    About Me Experienced

    Pros

    • Excellent Sound
    • Portable

    Cons

      Best Uses

      • Performances

      Comments about Gallien-Krueger MB115 1x15 200W Ultralight Bass Combo Amp:

      I've owned the GK 15 bass amp for 2 years now practicing with a band once a week and playing out 1 or 2 times a month. It has it's positives and negatives.

      This amp has great low end and good tone and is loud enough to be heard over most drummers. The 15 sounds great, the tweeter is just ok. The controls are easy to use and the passive sound is good without feedback when the gain is on 9 o'clock. The only major feature it has is a line out which is good for getting in the mix at medium and large venues.

      The amp is very light, however that is it's major drawback. The amp bounces around on the ground on surfaces that are not completely level like my friend's basement and a few venues I've played at.

      I play in a loud rock band called People Grinding Axes and yesterday was my last show with this amp because I am sick of the bouncing around on stage. I swapped it for a Fender Rumble 350 2x10 that doesn't sound quite as good as the GK, but it doesn't bounce around and still has the line out. I should also note that the metal grill cracked after about 6 months so I decided to replace it with a plastic screen from a screen door and that seemed to work ok.

      The concept is great and it looks like GK decided to put a cloth grill on the new models which will avoid cracking. I also suggest that they add 4 2 pound weights to each corner of the amp to help keep it steady. It would still be under 50 pounds and keep the amp steady on the floor. If you play at quieter volumes, the bouncing may not be an issue.

      When GK fixes the grill and makes it more stable it will be 5 stars.

      Comment on this review

      (1 of 1 customers found this review helpful)

       
      5.0

      Clear tone

      By 

      from Dartmouth, MA

      About Me Professional Musician

      Ask me a question

      Verified Buyer

      Pros

      • Easy To Use
      • Excellent Sound
      • Good Warmth
      • Portable
      • Powerful

      Cons

        Best Uses

        • Home Studio
        • Performances
        • School Performances

        Comments about Gallien-Krueger MB115 1x15 200W Ultralight Bass Combo Amp:

        has plenty of power for such a light weight amp

        Comment on this review

        (1 of 2 customers found this review helpful)

         
        1.0

        It broke too fast, hard to return it.

        By 

        from Calexico,Ca

        About Me Experienced

        Pros

        • Excellentg Sound
        • Excellent Sound
        • Portable

        Cons

        • It Smoke After Two Months

        Best Uses

        • Performances

        Comments about Gallien-Krueger MB115 1x15 200W Ultralight Bass Combo Amp:

        I decided to get this amp for all the good reviews but after all it smoked , it broke and I need an amp now for a performace in a local festival. I tried to get the RMA but I'll be charged for the all the shipment maybe it will be expensive to get a fix. I'm very disappointed.

        Comment on this review

         
        5.0

        great all purpose amp

        By 

        from couquitt georgia

        About Me Professional Musician

        Verified Buyer

        Pros

        • Easy To Use
        • Excellent Sound
        • Good Warmth
        • Portable
        • Powerful

        Cons

          Best Uses

          • Events
          • Home Studio
          • Performances
          • Professional Recording

          Comments about Gallien-Krueger MB115 1x15 200W Ultralight Bass Combo Amp:

          i have been playing bass for over 45 years all over the south. my back is about worn out from ligging around heavey bass amps to do the job. my gk has been a blessing for me. i can reherse and play in church as wellas home or studio or even do live eventswith tis little amp. i play a fendet delux jass 5 string and the amp holds up just fine! with the line out i can go thru the p. a. and be as loud as they want. doug

          Comment on this review

           
          5.0

          Great Amp!!

          By 

          from Scottsboro, AL

          About Me Experienced

          Pros

          • Easy To Use
          • Excellent Sound
          • Good Warmth
          • Portable
          • Powerful
          • Very Light

          Cons

          • None

          Best Uses

          • Church
          • Events
          • Performances

          Comments about Gallien-Krueger MB115 1x15 200W Ultralight Bass Combo Amp:

          Was interested in purchasing another manufacturer when introduced to the GK brand by a sales person. Very surprised by great sound of amp. Even more surprised when I picked it up!

          Comment on this review

           
          5.0

          Great amp

          By 

          from Hershey Pa

          About Me Professional Musician

          Verified Buyer

          Pros

          • Easy To Use
          • Excellent Sound
          • Good Warmth
          • Portable
          • Powerful

          Cons

            Best Uses

            • Home Studio
            • Performances
            • Professional Recording

            Comments about Gallien-Krueger MB115 1x15 200W Ultralight Bass Combo Amp:

            Was looking for an in between amp and got a lot more than I expected. Great tone, can produce a warm fat rock tone, to a funky slap and pop tone.
            Also works great for acoustic intruments as well.

            Comment on this review

             
            5.0

            Great purchase

            By 

            from Midwest

            About Me Experienced

            Verified Buyer

            Pros

            • Easy To Use
            • Excellent Sound
            • Good Warmth
            • Portable
            • Powerful

            Cons

              Best Uses

              • Events
              • Home Studio
              • Performances

              Comments about Gallien-Krueger MB115 1x15 200W Ultralight Bass Combo Amp:

              This amp makes even a cheap Squire P-bass sound awesome! Lots of bottom end. The horn gives the instrument lear highs. Light and portable but sounds huge. Wish I had this years ago when we were carrying hundreds of pounds of amps to get this sound!

              Comment on this review

              (1 of 1 customers found this review helpful)

               
              5.0

              More than Worth the Price

              By 

              from Connecticut

              About Me Experienced

              Ask me a question

              Pros

              • Incredibly Lightweight
              • Well Voiced and Potent

              Cons

              • Grill Buzzes
              • No Extension Speaker

              Best Uses

              • Small to medium venues

              Comments about Gallien-Krueger MB115 1x15 200W Ultralight Bass Combo Amp:

              This is a great amp and well worth the money. An outstanding value. It has deep and articulate voicing, and actually sounds better as it is turned up. The GK sound is a just a little bit "solid state" to my ears, but very good. I preamp it with a tube (an old TubeWorks BlueTube)to add a little smooth grit and warm compression. But that's not needed at higher volumes. The grill will buzz a bit when cranked. A provision for an extension speaker and tuner-out would be nice, but it is an exceptional little amp as is,and awesome for practice and smaller venues. You will be heard for sure, and everyone will think you've got something a lot bigger. At this weight and price you won't hestitate to take it anywhere.

              Comment on this review

              (0 of 1 customers found this review helpful)

               
              4.0

              worth the money

              By 

              from Central Coast California

              About Me Experienced

              Ask me a question

              Verified Buyer

              Pros

              • Easy To Use
              • Excellent Sound
              • Good Warmth
              • Portable
              • Powerful

              Cons

                Best Uses

                • Home Studio
                • Small gigs

                Comments about Gallien-Krueger MB115 1x15 200W Ultralight Bass Combo Amp:

                The nut that holds the 1/4 passive imput in place is barely too small for the 1/4 cable to fit. Luckily I could just switch it with the 1/4 active imput nut because I don't use it. I would think they would plug a bass in to make sure the amp works correctly before they sent it out though, they must not have.

                Comment on this review

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