Yamaha SLB-100 Silent Bass - electric upright bass with maple neck, ebony fretboard, 3-piece body (spruce/mahogany/spruce), ebony tailpiece, 2x piezo pickups, adjustable bridge, 1054mm (3/4 size) scale length, line output (for amplifier or direct recording), headphones output, aux input for playback of backing track etc, powered via 9V battery.