Microtubes B1K places the core Microtubes B3K bass overdrive sound in a miniature enclosure.

Blend, Level and Drive controls are joined by internal Grunt and MBoost options for low-frequency response and midrange presence.

Highlights

• Core Microtubes B3K bass overdrive sound
• Internal Grunt and MBoost options for low-frequency response and midrange presence
• Blend, Level and Drive controls
• Miniature enclosure