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Ultra Portable Performance

Effortless transport for rehearsals and 200 watts of power through the 1x12" speaker allow you to be heard in moderate size venues. Tough vinyl covering protected with metal corners provide lasting protection.

Tone Shaping

Four band active EQ and contour based on the legendary 800RB provide extensive tone shaping capability.

Custom Speaker Design

Speaker designed and manufactured by GK in the U.S.A. 


Balanced DI with pre/post switch, aux in and headphone output for silent practice plus "chain out" to drive GK's MBP powered enclosures. Pair with the 112 MBP.

Variable Q

Inherited from the 800RB, this unique design varies the EQ bandwidth to retain a musical response even at extreme settings.

Driver By GK

Special driver with 2.5 inch edge wound aluminum voice coil, designed just for this cabinet, manufactured in the GK USA factory.

GK MB 112-II 200W 1x12" U. L. Combo

SKU: 303-0590-C

Output Power:

  • 200W@4 Ohms

Input Section:
Maximum Input Level

  • 0.6V rms

Input Impedance

  • 1M Ohms

Direct Output Impedance

  • 500 Ohms

Aux-in Input Impedance

  • 100K Ohms


  • +/-10dB@60Hz


  • +6dB/-10dB@250Hz


  • +6dB/-10dB@1KHz


  • +/-14dB @ 7KHz

Voicing Filters:

  • +2dB@50Hz/-10dB@500Hz/
  •  +3dB @ 7 KHz


  • -90 dB reference to 200W, ‘A’ weighted

Amplifier Protection:

  • Full short circuit, thermal and RF protection.
  • Stable into reactive and mismatched loads.
  • Five second muted warm up.

Dimensions (HxWxD):

  • 17”x15”x14.5” .


  • 30 lbs
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