Detail 01
B-switch
Engaging it boosts high-end articulation, tightens the low end, and adds chime to the response.

Independent shopping perspective
Little Sister is a 20W tube guitar amp head built around master volume, gain, and three-band EQ controls. Its gain control and master volume are intended to access saturated overdrive or clean sounds at lower volumes. The S-switch moves between higher headroom and singing overdrive, while the B-switch adds high-end articulation and tightens the low end. For effects-based rigs, its series loop is designed for time-based effects, modulation pedals, and rack units while maintaining the dry signal and effects signal.


Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01
Engaging it boosts high-end articulation, tightens the low end, and adds chime to the response.
Detail 02
It provides tone-shaping control alongside the gain and master-volume controls.
Product questions
Straight answers to the questions shoppers most often ask about this product.
It selects between higher headroom and singing overdrive.
It boosts high-end articulation, tightens the low end, and adds chime.
The series effects loop handles time-based effects, modulation pedals, and rack units.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.