The Demon FX AG Bass Preamp is a Demon Fx preamp pedal, currently around $84.19. Close alternatives include the AnalogWorkshop Jaguar Bass Preamp and the NuX Bass Preamp with Modeling and DI Output. It pairs well with the Maxon RTC600 Compressor and the Origin Effects RevivalDrive.
Demon FX AG Bass Preamp
Demon Fx · pedal
The Demon FX AG Bass Preamp is a dedicated bass preamp pedal offering active tone-shaping designed specifically for bass guitar's frequency range and dynamics. Built by Demon FX, a manufacturer specializing in affordable, accessible effects and preamp pedals, it gives bassists tonal control independent of their amp's built-in EQ at a budget-friendly price point.
What stands out
“Valued as an accessible, budget-friendly bass-specific preamp, offering more relevant tonal control than a generic guitar preamp repurposed for bass”
— from the community notes
“The Demon FX AG Bass Preamp is a dedicated bass preamp pedal offering active tone-shaping designed specifically for bass guitar's frequency range and dynamics”
— from the listing
“Affordable pricing makes dedicated bass tone-shaping accessible to budget-conscious players”
— from the reviews
“Primary use case is bassists wanting active tone shaping for recording, live sound, or amp-independent tonal control on a budget”
— from the community notes
“Standout strength is the bass-tailored circuit design combined with Demon FX's accessible pricing, part of the brand's broader catalog of affordable, feature-focused effects”
— from the community notes
- frequency
- active tone
- bass
- eq
- live
- dynamic
- recording
Good for
- Live
- Silent Recording
- Studio
Price updated Oct 25, 2026
Pedals that stack with the Demon FX AG Bass Preamp
Maxon RTC600 Compressor
Maxon
25% matchshapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)
Both lean toward dynamic and compressed respectively — close enough in character that they complement instead of clashing
Comes earlier in the signal chain
Origin Effects RevivalDrive
Origin Effects
17% matchshapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)
Run Origin Effects RevivalDrive into that dynamic platform and it finally leans toward compressed
Comes earlier in the signal chain
Keeley Super AT Mod Overdrive Limited Edition
Keeley
16% matchshapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain. (dynamic → compressed)
Into a dynamic tone, Keeley Super AT Mod Overdrive Limited Edition brings a pull toward compressed that's missing
Comes earlier in the signal chain
Catalinbread Valcoder '70s Collection
Catalinbread
10% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Keep Catalinbread Valcoder '70s Collection after Demon FX AG Bass Preamp in the signal chain, clear of Demon FX AG Bass Preamp's own gain stage
Comes earlier in the signal chain
Echoplex EP-3
Echoplex
8% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Run Echoplex EP-3 after Demon FX AG Bass Preamp in the signal chain, clear of Demon FX AG Bass Preamp's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
JHS Lucky Cat Delay limited edition
JHS Pedals
8% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Put JHS Lucky Cat Delay limited edition after Demon FX AG Bass Preamp in the signal chain, clear of Demon FX AG Bass Preamp's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Comes later in the signal chain
DigiTech DOD Compressor 280
Digitech
tonal matchComes earlier in the signal chain
The dynamic tone has headroom to spare — DigiTech DOD Compressor 280 leans it toward compressed to fill it in
DigiTech XBS Bass Squeeze
Digitech
tonal matchComes earlier in the signal chain
Into a dynamic tone, DigiTech XBS Bass Squeeze brings a pull toward compressed that's missing
Cheaper alternatives
Boutique & premium upgrades
MXR M281 Thump
MXR
54% similarityShared character: brand
Master Effects Transmission Bass Preamp
Master Effects
49% similarityShared character: bass, recording
Master Effects Manta Ray 3-band Bass Preamp
Master Effects
40% similarityShared character: bass
NuX Melvin Lee Davis Bass Preamp
Nux
40% similarityShared character: bass
Similar character
AnalogWorkshop Jaguar Bass Preamp
Analogworkshop
83% similarityShared character: bass, live, recording
NuX Bass Preamp with Modeling and DI Output
Nux
49% similarityShared character: recording, bass
Walrus Audio EB-10B
Walrus Audio
49% similarityShared character: bass
Ampeg F17-1
Ampeg
44% similarityShared character: bass, recording
See all alternatives to the Demon FX AG Bass Preamp (cheaper + boutique) →
Questions people ask
What are good alternatives to the Demon FX AG Bass Preamp?+
The closest matches in character are the AnalogWorkshop Jaguar Bass Preamp, the NuX Bass Preamp with Modeling and DI Output, the Walrus Audio EB-10B. Budget picks: Demon FX Bear PAW Analog Bass Preamp. Boutique upgrades: MXR M281 Thump, Master Effects Transmission Bass Preamp, Master Effects Manta Ray 3-band Bass Preamp.
What pairs well with the Demon FX AG Bass Preamp?+
Strong matches from rig and tone-complementarity evidence: Maxon RTC600 Compressor, Origin Effects RevivalDrive, Keeley Super AT Mod Overdrive Limited Edition — Both lean toward dynamic and compressed respectively — close enough in character that they complement instead of clashing.
How much does the Demon FX AG Bass Preamp cost?+
Around $84.19 (live listing price, updated Oct 25, 2026).