Description
When your MB150 combo is doing the work but the room needs more air moving, the 112MBX steps in without punishing your back. Built to match the combo it extends, this cabinet carries the same sealed aluminum chassis, steel grille, and 100W speaker as the MB150S and MB150E, so tone and output stay consistent when you link them together. At just 12 lbs, it’s the kind of cab you toss in the car without a second thought, then set up in seconds at the venue.
The 1×12″ Paragon ceramic driver handles 100W RMS at 8 ohms, giving your low end punch and clarity that holds up whether you’re filling a small club or adding headroom to a bigger stage. Bassists who run Micro Bass combos know the appeal of small-footprint gear that doesn’t compromise on volume or tone — this extension cab keeps that philosophy intact while giving you room to grow your rig.
Want to get the cab up off the floor for better projection to the audience? The optional MB Mic Kit lets you mount the 112MBX on a standard mic stand, putting the sound where it needs to be instead of aimed at your shins.
- 100W RMS / 8 ohms
- 1×12″ Paragon ceramic driver
- Aluminum enclosure
- Steel grille
Gallien-Krueger backs the 112MBX with a 1-year warranty on the speaker and a 2-year warranty on the electronics, so it’s built to keep up with your gig schedule.






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