Realist   "Docking station" transducer double bass, with volume control

Shadow   double bass pick-up system, single transducer system

Shadow   double bass pick-up system, double transducer system

Shadow   double bass pick-up system, 4 sensors system

Shadow   double bass pick-up system, 2 sensors system

Shadow Nanoflex   double bass pick-up system, active eq, '0' hum bridge mount

Shadow Nanoflex   double bass preamp, with bridge+fingerboard input, combined or separate outputs, 9V not included