AMPEG SGT-DI Bass Preamp Blue Line Anniversary Edition – Foot-Switchable Ampeg Preamplifier with SVT/B15 Voicings, IR Loader, 3-Band EQ with Sweepable Mids, Compressor and Ultra-Hi/Ultra-Lo Switches
Ampeg SCR-DI Bass Preamp Pedal with Scrambler Overdrive
Prewired Pickup Electric Bass Preamp Wiring Circuit Pickup 4 Strings Bass Pickup
SONICAKE B Factory Analog Bass Preamp Overdrive 3-band EQ PRE/POST Effects Pedal
Sadowsky Onboard 4-Knob Bass Preamp
Bassic BPA-1 Bass Preamp / di . 4 band EQ. Compressor. XLR Di out.
