VERTEX Steel String MKII
- Dumble SSS tone from a compact stompbox
- Based on model #001 of an original Dumble SSS amp
- 33% slimmer and lighter than the original Steel String!
- New Jazz/Rock toggle thickens up cleans and tightens up drive tones
- Optional 9 to 18VDC operation (adapter not included)
- True bypass
- Designed & Assembled in California