Eastman MD315E-SB F Style Mandolin w/ Electronics Ribbon Microphones where the woofers alone become

where the woofers alone become full-range speaker drivers

smooth roasted maple neck

a balanced 4-conductor cable with amazingly superior clarity and the highest cancellation of noise and RF interference

And when used as a boost

Eastman MD315E-SB F Style Mandolin w/ Electronics Ribbon Microphones where the woofers alone becomeNeck Neck Material Maple Fingerboard Ebony Fingerboard Radius 12" Scale Length 13 7 8" Frets 23 Jescar FW37053 Truss Rod Single Acting Nut & Setup Nut Material Bone Nut Width 1 3 32" Nut Height . 018" String Spacing 1 5 8" Action Height 0. 060" 0. 050" Body Body Style F Style with F Holes Body Dimensions 26 11 16" 10" 1 7 8" Top Solid Spruce Back & Sides Solid Maple Binding Top Binding Material Ivoroid Appearance Logo Maple Headstock Inlay Pearl Dots