double bass pick-up system, single transducer system
double bass pick-up system, double transducer system
double bass pick-up system, 4 sensors system
double bass pick-up system, 2 sensors system
double bass pick-up system, active eq, '0' hum bridge mount
double bass preamp, with bridge+fingerboard input, combined or separate outputs, 9V not included
double bass cardioid microphone + quadruple piezo with preamp and tone control
double bass passive quadruple piezo pickup with low pass filter and volume controle
