The Sigma Guitars GME+ (Natural) is an electro-acoustic Orchestra model guitar with a Mahogany body and Sigma electronics.
With the DM12E+ Sigma presents an inexpensive 12-string acoustic guitar, which offers an amazingly powerful and balanced sou...
With the DM-ST+ Sigma offers an inexpensive dreadnought with an amazingly powerful and balanced sound. Accordingly, this Dre...
