Nimbus has key advantages over the Katana 50:
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Power: Nimbus outputs 70W stereo vs. Katana’s 50W mono.
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Speakers: High-end Powerbass S-4002 drivers with tweeters provide wider sound.
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Processing: Nimbus has significantly more DSP power.
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Inputs: Nimbus offers 2 x combo XLR / quarter-inch inputs instead of Katana's single quarter-inch input.
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Flexibility: Full effects chain customization and duplicates allowed.
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MIDI Support: Katana lacks broad MIDI compatibility; Nimbus has it.
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Openness: Nimbus supports third-party plugins; Katana does not.
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App Control: Nimbus has one of the best mobile apps for full control.
 
Nimbus combines gig-level volume with modern DSP flexibility.