Spira Guitars is a guitar maker. The current GPAS selection includes B-400 MBK Bass Satin, S-400 MBK Satin and S-400 MBL Satin. The listed models sit in bass guitars, electric guitars and baritone guitar, so body style, scale, electronics and playing format are central to the comparison.

For these instruments, compare body format, scale length, construction, pickups or electronics, neck profile, bridge, finish and included case or accessories. The product page is the authority for the exact specification and condition.