The Sigma BMC-15E+ Acoustic 4-String Bass is a stage-ready acoustic bass that convinces with a first-class sound and an attr...
With the DM-15+, Sigma offers a dreadnought that produces a powerful and warm sound with striking mids thanks to a solid mah...
The Sigma OMM-ST+ is primarily aimed at beginners and advanced users. The Orchestra model with neck transition at the 14th f...
