Amazon.com: MXR M80 Bass D.I.+ Bass Guitar Preamp Distortion Pedal with Footswitchable Distortion Channel, Noise Gate and XLR Direct Out with 2 Path Cable and 2 Instrument Cable : Musical Instruments
Guyker 2-Band Preamp/Tone Control with Adjustable Gain for JB Bass (with Jazz Bass Control Plate, Dome Control Knobs and Stacked Knob) : Amazon.ca: Musical Instruments, Stage & Studio