The Sigma BMC-15E+ Acoustic 4-String Bass is a stage-ready acoustic bass that convinces with a first-class sound and an attr...
The Sigma Guitars GME+ (Natural) is an electro-acoustic Orchestra model guitar with a Mahogany body and Sigma electronics.
The Sigma GMC-STE+ Grand Orchestra Western Guitar convinces with a warm, powerful and balanced sound. The ergonomic body sha...
