NS NXT Double Bass: Polar™ Pickup System - switch to arco mode for percussive attack and dynamic bowed response, or pizzicato mode for a smooth, sustained tone; passive electronics - no batteries; solid maple body and neck, together with the graduated fingerboard, asymmetrical fingerboard relief facilitates an even 'growl' from the higher strings and a clear, powerful lower register; adjustable bridge and truss rod allow for low, fast action; length 52", width 6", thickness 4"; wight 10.5 lbs; truss rod - single Action, accessible at nut; tuning hardware - 12:1 ratio, fully encased worm gear tuners, black finish.