Gallien-Krueger MB112

$799.00 Price Tier: Standard

Newer option

Gallien-Krueger MB112-ii

$799.00 - $800.00

4.5 (3)

Find out who is using Gallien-Krueger MB112

0 wishlisted

0 saved

Page last updated Jun 30, 2026

Pricing and availability

We compare 600+ stores and found this item at 1 store. Prices updated June 30, 2026.

Store

Reviews

Price

5.0 (6)

$799.00 2 available New

$580.00 1 available Used

View Deal

Average Price: $690

Standard/Professional

$200

$701+

Price Tier

In the Bass Combo Amplifiers category, Gallien-Krueger MB112 is priced in the upper end of the Standard/Professional range. This is quality gear at a fair price point, suitable for beginners, hobbyists, and pros alike.

Budget

Standard

High-end

^* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

Edit description

The Gallien-Krueger MB112 redefines portability and power for bass players on the go. As part of the esteemed Microbass Series, this combo amplifier packs a punch far beyond its size. Designed for musicians who refuse to compromise on sound quality, the MB112 is both versatile and user-friendly, making it an ideal choice for gigs, practice, and studio sessions alike.

At the heart of this compact powerhouse is a 200W digital amp paired with a robust 12" speaker, delivering impressive sound clarity and depth that can fill any room. The active 4-band EQ with contour control ensures you can tailor your tone to perfection, whether you're dialing in a smooth jazz groove or a gritty rock line. For those late-night practice sessions, the headphone jack offers silent jamming, preserving peace without sacrificing your creativity.

Additional features like the 1/8" auxiliary input allow you to play along with your favorite tracks, while the XLR output makes it easy to connect to a soundboard for live performances or recording. At just 28 pounds, the MB112 is a lightweight champion that won't break your back during load-ins.

Key Features:

200W digital amplifier
12" speaker
Active 4-band EQ with contour control
1/8" auxiliary input for external audio sources
Headphone jack for silent practice
XLR output for direct connectivity to soundboards
Lightweight design at 28 pounds

FAQs

What are the main features of the Gallien-Krueger MB112 bass combo amplifier?: The Gallien-Krueger MB112 features a 200-watt digital amp, a 12" speaker, an active 4-band EQ with contour control, an XLR output, and both an auxiliary input and headphone jack for versatile practice and performance options.
Is the Gallien-Krueger MB112 suitable for gigging with a band?: Yes, the Gallien-Krueger MB112's 200-watt output is powerful enough for small to medium-sized gigs, making it a great choice for band performances.
How portable is the Gallien-Krueger MB112 bass amp?: Weighing just 28 lbs and with dimensions of 15-1/2"W x 17-1/2"H x 14-3/4"D, the Gallien-Krueger MB112 is designed to be portable and easy to transport to rehearsals and gigs.
Does the Gallien-Krueger MB112 have a direct output for recording or live sound?: Yes, the Gallien-Krueger MB112 is equipped with an XLR output, allowing you to connect directly to a recording interface or PA system for live sound applications.
Can I practice silently with the Gallien-Krueger MB112?: Yes, the Gallien-Krueger MB112 includes a headphone jack, enabling silent practice without disturbing others.

Videos

Add video

Gallien-Krueger

Gallien-Krueger MB 112 Combo Demo by Norm Stockton

Gallien-Krueger

"GK!" MB112 vs TC ELECTRONIC BG250

11coopbass Cooper

Reviews

Add review

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Gallien-Krueger MB112.

Use cases and applications

0 0

The MB112 is recommended for practice sessions with guitarists and a drummer, and small gigs like coffee shops, depending on PA support.
Source

Comparisons

0 0

Owners suggest choosing the most powerful amp you can afford, comparing the MB112 favorably to smaller 1x10 models in terms of versatility for different settings.
Source
0 0

High wattage single 12" rigs might sound compressed and 'boxy' when pushed, unlike 210s which maintain clarity.
Source
0 0

A user found the Fender Rumble 500 to have a preferable tone over a GK combo amp, emphasizing the importance of personal sound preference.
Source

User experience

0 0

An MB212 owner reported a blown tweeter due to pushing distortion too hard, highlighting the importance of understanding amp limitations to avoid damage.
Source
0 0

Some users report the fan noise is noticeable during studio use, especially when the amp idles and isn’t actively played.
Source
0 0

Owners who have used GK amps for over a decade highlight their unique and aggressive tone, with plenty of volume and headroom without distortion.
Source

Value and pricing

0 0

The MB112 offers a balance of performance and price, with some owners finding it more affordable compared to higher-priced local alternatives like Markbass.
Source

Setup and maintenance

0 0

The cooling fan can become louder over time; using a high-powered vacuum on intake slots can help reduce noise by removing dust.
Source

Features and functionality

0 0

The fan is crucial for preventing overheating, and disconnecting it is not recommended despite noise issues.
Source
0 0

The Fusion series' variable load feature significantly enhances utility, especially when pairing with extension cabs, providing flexibility in setup.
Source