The Eminence Portable Acoustic Electric Upright Bass boasts a fully acoustic body that delivers realist acoustic sound.
Manufacturer’s Specifications;
Neck: Rock Maple
Fingerboard: Ebony
Vibrating String Length: 41-1/4"
Top: Arched, Laminated Spruce
Back: Arched, Laminated Curly Maple
Air Chamber Depth: 3"
Body Size: 10-1/2" x 31-1/2"
Bassbar: Solid Spruce
Soundpost: Solid Spruce
Bridge: Maple, Fully Adjustable
D’Addario Helicore Strings 
Pickup: Realist
Tailplate: Solid Brass
Fully Adjustable Endpin
Length: Total Length: 63"
Weight: 13 lbs.
Padded case, waist extension, pickup and Steady-foot™
Anti-rotational Endpin Foot Included.
Nicely Flamed Maple sides and back, flaming varies from bass to bass - some great, some mildly flamed.
Real Acoustic Sound
Truly Portable
Removeable Neck Model
https://www.youtube.com/watch?v=O5QkD7CUNLs