Đàn Guitar Acoustic Bass GrassRoots GAC Bass Thông số kỹ thuật/ Spec: BODY (Top) Spruce, (Back) Mahogany (Thickness 50mm) NECK Mahogany FINGERBOARD Pau Ferro, 19Frets SCALE 753mm CONSTRUCTION Set-neck BRIDGE Pau Ferro w/String-thru-body PICKUP GS-1B CONTROL Volume, Tone