Pricing and availability
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Average Price: $1,197
High-end/Boutique
$200
$701+
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High-end
Price History
Based on price data from 2 merchants for "Gallien-Krueger MB212-II". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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Description
The Gallien-Krueger MB212-II is the ultimate partner for bassists seeking a powerful yet portable solution. This 500-watt powerhouse packs a punch with its dual 12" neodymium speakers, delivering robust bass tones that fill any room without weighing you down. Thanks to its ultra-efficient digital power amp, the MB212-II is remarkably lightweight, making it easy to transport from gig to gig.
Designed with the modern bassist in mind, this combo amp includes a convenient Chain Out feature, allowing seamless integration with an MBP-powered enclosure for those larger venues where you need to crank up the volume. Sculpt your sound with precision using the onboard 4-band active EQ and gain control, perfect for dialing in just the right amount of grit to your signature tone.
Need to practice quietly or jam along with your favorite tracks? The MB212-II has got you covered with its aux input for connecting your MP3 player, as well as an XLR direct out for going straight into the board when it's time to hit the stage. Built G-K tough, this amp ensures reliability and durability, making it a go-to choice for both rehearsals and performances.
Key Features:
- 500-watt digital power amp for ultra-efficiency and portability
- Dual 12" neodymium speakers for powerful bass output
- Chain Out feature for connecting to an MBP-powered enclosure
- 4-band active EQ and gain control for sound shaping
- Aux input for MP3 player connectivity
- XLR direct out for direct board connection
- Robust construction for durability
Product specs
| Type | Solid State |
| Number of Channels | 1 |
| Output Power | 500W @ 4 ohms |
| Speakers | 2 x 12" Neodymium Speakers |
| EQ | 4-band |
| Inputs | 1 x 1/4", 1 x 1/8" (aux in) |
| Outputs | 1 x XLR (direct out), 1 x XLR (chain out) |
| Headphones | 1 x 1/4" |
| Cooling System | Thermal and RF Protection, Air vent |
| Power Source | Standard IEC AC cable |
| Height | 26" |
| Width | 19" |
| Depth | 14.5" |
| Weight | 41 lbs. |
FAQs
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Is the Gallien-Krueger MB212-II suitable for live performances?
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Yes, the Gallien-Krueger MB212-II, with its 500-watt output and dual 12-inch neodymium speakers, is powerful enough for live performances, providing robust sound projection suitable for medium to large venues.
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What type of EQ controls does the Gallien-Krueger MB212-II offer?
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The Gallien-Krueger MB212-II features a 4-band EQ, allowing you to finely adjust the bass, low-mid, high-mid, and treble frequencies to shape your tone precisely.
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How portable is the Gallien-Krueger MB212-II bass combo amp?
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Weighing 41 lbs and featuring compact dimensions, the Gallien-Krueger MB212-II is relatively portable for a 500-watt combo amp, making it a practical choice for gigging musicians who need to transport their gear frequently.
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Can I connect external devices to the Gallien-Krueger MB212-II?
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Yes, the Gallien-Krueger MB212-II includes a 1/8" aux input, allowing you to connect external audio sources such as MP3 players or smartphones for practice or playback.
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Does the Gallien-Krueger MB212-II have a direct output for recording or PA systems?
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Yes, the amp features an XLR direct out, making it easy to connect directly to recording equipment or PA systems for live sound reinforcement or studio recording.
Videos
Sweetwater
Gallien-Krueger MB Series Bass Combo Amps and Speaker Cabs Overview - Sweetwater Sound
Reviews
PROS
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Powerful, articulate sound with punch
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Lightweight and portable, easy to carry with one hand
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Can connect to extension cabinets for enhanced sound
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Versatile EQ controls for shaping tone
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High performance horn with toggle off option
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Solid state technology provides punch and definition
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Suitable for gigs and rehearsals across various venues
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DI XLR accessible in the front for FOH engineers
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Distinctive Gallien-Krueger sound quality
CONS
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Some models may lack the punch of older GK amps
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Horn may introduce a loud buzz when used
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Does not include a cover
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Gallien-Krueger MB212-II.
User experience
Comparisons
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The MB212-II is noted to be lighter than the Line 6 LD300, making it more portable for gigs.
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The GK MB212-II is described as having a hi-fi, powerful sound but can also be perceived as sterile compared to the Ampeg's retro tones and Fender's classic sound.
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Some users find the GK's low end to be woolly, preferring Hartke for a tighter, punchier sound, but acknowledge newer GK models with horns can achieve brightness.
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High wattage single 12" rigs may sound compressed and 'boxy' compared to the more balanced sound of a 210 configuration, offering better volume coverage for gigs.
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Use cases and applications
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The direct output of the MB212-II provides excellent clarity, requiring minimal mixing through mains during live sound setups.
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The MB212 model, with 500 watts and dual 12” neo drivers, is praised for its performance in bars and smaller venues, while also working well with house sound systems for larger gigs.
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Build quality
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The MB212-II is praised for its durability and has successfully been transported via float plane, highlighting its robustness and portability for remote gigs.
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Features and functionality
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The GK MB212-II is reported to be light, at around 41 lbs, making it easily portable for gigs compared to older, heavier combos.
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The GK Fusion series amps include variable load capability, allowing for flexible pairing with extension cabs, enhancing versatility in different gig settings.
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Critic Reviews
5.0 out of 5
Based on 1 Review and 2 Ratings
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