The Sigma OMM-ST+ is primarily aimed at beginners and advanced users. The Orchestra model with neck transition at the 14th f...
With the DM12E+ Sigma presents an inexpensive 12-string acoustic guitar, which offers an amazingly powerful and balanced sou...
With the DM-15+, Sigma offers a dreadnought that produces a powerful and warm sound with striking mids thanks to a solid mah...
