- 200-watt amp with two 12" speakers
- Original COSM amp model (Progressive Amp) with incredible feel, attack, natural compression, and sustain
- Morph through clean to super-extreme tones with the DRIVE knob and BOOST button
- Intuitive operation with simple, fast-access structure; two volume controls, three tone controls, presence, and reverb
- Smart Channel memorizes the current position of knobs in all four channels without programming or saving
- LEDs in the knobs show current settings in any channel, great for dark stages
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Progressive Amp
Built into the GA-212 and GA-112 is a new and unique COSM amp model called Progressive Amp. With the simple twist of the DRIVE knob and push of the BOOST button, you can morph through a diverse sonic landscape of new amp sounds, from clean to super extreme.
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Instant Access
No matter what sound you’re going for, the GA series makes it fast and easy to find with only two volume knobs, three tone-control knobs, presence, and reverb effects to navigate. From your mind to your fingers, the GA series inspires fast workflow and fluid performance.
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Smart Channel
The new Smart Channel feature always saves your latest changes to panel settings automatically, and you can recall one of four saved settings for all controls with a simple button push. No mystery, no confusion – the glowing LED knobs clearly indicate the positions of each parameter for the four memories, and help you visually check the current settings onstage.
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Signature Style
GA-series amps are the brainchild of Roland and BOSS R&D, a world-leading force in cutting-edge sound. These amps feature the latest advancements in tone tech, yet provide easy operation with signature styling. You’ll turn heads with these attractive, road-tough amps, which look as cool as they sound.