The Sigma Guitars GME+ (Natural) is an electro-acoustic Orchestra model guitar with a Mahogany body and Sigma electronics.
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 Guitars BME+ is a stage-ready acoustic bass with an adult sound and an attractive price. The electric bass has a l...
