Designed for ultimate sonic quality and portability, the M Combo Series defines excellence in Analog bass tones and precision. Featuring custom-made Eminence® speakers and powered by an efficient 500 W class D power module, the M Combo Series are perfect for the musician demanding premium analog character across venues, rehearsals, and home setups.

• Passive/Active - Use this push-button switch to change from passive to active mode. If your bass is active it can have a hotter signal making the amp to distort early (feel free to use if such additional distortion is desired).
• Drive - Controls the amount of distortion that the Microtubes Engine will deliver. Press to select the drive mode: OFF/Vintage Microtubes /Microtubes B3K.
• Compression - Controls the amount of dynamic compression. The make up gain is adjusted automatically.
• Blend - Use this knob to mix between the Clean signal and the Distortion signal.