NS Design NXT5a upright bass, Sunburst MIDI Violins The preamp uses no battery

The preamp uses no battery -- the included charger plugs into any wall outlet

the RC-300 comes preloaded with audio backing tracks (including bass tracks

with less brilliance on the high end

letting you store loops as fast as you create them

this wah sounds great with violin

NS Design NXT5a upright bass, Sunburst MIDI Violins The preamp uses no batteryRattle your neighbor's windows with the extended lower range of the NS Design NXTa 5 bass, strung BEADG. The NXTa upright bass brings world class design and craftsmanship, plus the benefits of active circuitry, to a surprisingly affordable price range. Tone The dual mode Polar pickup responds to both lateral string vibration for bowing, and vertical vibration for pizzicato playing. (A body mounted two way switch lets the player change modes easily.)