Best Seller | Rolls FX953 Bad Bass Preamp Pedal FX953 Free Express Shipping! Rolls FX953 Bad Bass Preamp Pedal For Electric and Bass Guitars, Change Sonics by Over or Under Biasing, Avoids Risky Voltage Surges, Drastic Changes in Levels and Distortion, Output and Input Gain and Bias Controls, 500 Hz to 3... ... more Rolls FX953 Bad Bass Preamp Pedal FX953 Free Express Shipping! Rolls FX953 Bad Bass Preamp Pedal For Electric and Bass Guitars, Change Sonics by Over or Under Biasing, Avoids Risky Voltage Surges, Drastic Changes in Levels and Distortion, Output and Input Gain and Bias Controls, 500 Hz to 3... | | $149.00 FREE shipping go to store |