Arcane Preamp WMD preamp
BAP-2 Bass Foot Preamp Crews Maniac Sound preamp
BASS DRIVER DI Vermilion TECH21 preamp
Bass Metaphors Electro-Harmonix preamp
BB-1X Bass Driver BOSS preamp
Bows EarthQuaker Devices preamp
Busy Bee MM-06 Movall Audio boosterpreamp
Crimson Red Bass Preamp One Control preamp
DUAL BASS STATION DBS-1 Providence preamp
EP101 Echoplex Preamp JimDunlop preamp
GIGGITY VooDoo LAB preamp
Hot Box 3 MATCHLESS preamp
Hot Box Classic MATCHLESS preamp
M80 Bass D.I.+ MXR overdrivepreamp
M81 Bass Preamp MXR preamp
MEP TBCFX preamp
MEP GAIN+ TBCFX preamp
MEP w/SW TBCFX preamp
MEP2 TBCFX preamp
Microtubes B7K Ultra Darkglass Electronics preamp
Microtubes B7K Ultra v2 Darkglass Electronics preamp
Pandamonium JHS Pedals fuzzpreamp
PROGRAMMABLE BASS DRIVER DI TECH21 preamp
SANS AMP BASS DRIVER DELUXE TECH21 preamp
SANS AMP BASS DRIVER DI TECH21 preamp
SANSAMP BASS DRIVER DI-LB TECH21 preamp
SDD-3000 PEDAL KORG preamp
SPINDOCTOR2 T-REX preamp
Super Lead Koch preamp
The LUKE ToneConcepts equalizerboosterpreamp
TONE HAMMER Aguilar preamp
VT Bass TECH21 preamp
VT Bass Deluxe TECH21 preamp
VT Bass DI TECH21 preamp