The Walrus Audio Mantle Analog Bass Pre-Amp/DI is a Walrus Audio preamp pedal, currently around $749.99. Close alternatives include the Behringer BDI21 and the Ampeg F17-1. It pairs well with the Zevex Zvex Distortron and the J. Rockett Archer.
Walrus Audio Mantle Analog Bass Pre-Amp/DI
Walrus Audio · pedal
The Walrus Audio Mantle is an analog bass preamp and DI from Walrus Audio (Oklahoma City, USA), co-developed with session bassist Ian Martin Allison, featuring rotary EQ switches with eleven positions offering both filter and boost options across different frequency ranges, plus a DI output for direct recording.
- eq
- rotary
- preamp
- bass
- di
- boost
- filter
- session
Good for
- Live
- Silent Recording
- Silent Stage
- Studio
Price updated Aug 28, 2026
Genres the Walrus Audio Mantle Analog Bass Pre-Amp/DI is commonly used in
- Acoustic
cited
Inferred from shared tonal signals, not a stated genre tag. - Alternative
cited
Inferred from shared tonal signals, not a stated genre tag.
Pedals that stack with the Walrus Audio Mantle Analog Bass Pre-Amp/DI
Zevex Zvex Distortron
Zevex
8% matchZevex Zvex Distortron's own full character is the real reason this is worth trying
J. Rockett Archer
pedal
8% matchJ. Rockett Archer's own high headroom character is the real reason this is worth trying
Caroline Guitar Company Somersault
Caroline Guitar Company
7% matchCaroline Guitar Company Somersault's modulated voice goes after Walrus Audio Mantle Analog Bass Pre-Amp/DI in the signal chain — it's not there to compete with Walrus Audio Mantle Analog Bass Pre-Amp/DI's own analog warmth character
Universal Audio 1176 Compressor
Universal Audio
6% matchUniversal Audio 1176 Compressor leans toward compressed, and that's a real, usable character to pair with
Dunlop - MXR Carbon Copy Deluxe Analog Delay
Dunlop
5% matchDunlop - MXR Carbon Copy Deluxe Analog Delay's analog warmth voice goes after Walrus Audio Mantle Analog Bass Pre-Amp/DI in the signal chain — it's not there to compete with Walrus Audio Mantle Analog Bass Pre-Amp/DI's own analog warmth character — goes in the amp's FX loop (or last, into a clean amp)
Electro-Harmonix Canyon
Electro-Harmonix
5% matchRun Electro-Harmonix Canyon after Walrus Audio Mantle Analog Bass Pre-Amp/DI in the signal chain, clear of Walrus Audio Mantle Analog Bass Pre-Amp/DI's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Cheaper alternatives
Ampeg Classic Analog Bass Preamp pedal
Ampeg
70% similarityShared character: analog, preamp, bass
Demon FX Microtube D7K "Bass" Preamp
Demon Fx
67% similarityShared character: filter, preamp, bass
Aguilar DB 925
Aguilar
66% similarityShared character: preamp, bass, boost
Electro-Harmonix Nano Operation Overlord
Electro-Harmonix
65% similarityShared character: bass, boost
Laney Digbeth DB-Pre
Laney
64% similarityShared character: preamp, bass
Walrus Audio Badwater Bass Pre-Amp
Walrus Audio
94% similaritysimilar tone character
Similar charactersee all similar tone character →
Behringer BDI21
Behringer
67% similarityShared character: analog, preamp, bass
Ampeg F17-1
Ampeg
65% similarityShared character: analog, preamp, bass
Ashdown James LoMenzo Mega Drive
Ashdown
65% similarityShared character: filter, preamp, bass
Tech 21 GED-2112 Bass
Tech 21
93% similaritysimilar tone character
Sadowsky SBP-2 Bass Preamp
Sadowsky
93% similaritysimilar tone character
Sadowsky SBP-1 Bass Preamp/DI
Sadowsky
93% similaritysimilar tone character
See all alternatives to the Walrus Audio Mantle Analog Bass Pre-Amp/DI (cheaper + boutique) →
Questions people ask
What are good alternatives to the Walrus Audio Mantle Analog Bass Pre-Amp/DI?+
The closest matches in character are the Behringer BDI21, the Ampeg F17-1, the Ashdown James LoMenzo Mega Drive. Budget picks: Ampeg Classic Analog Bass Preamp pedal, Demon FX Microtube D7K "Bass" Preamp, Aguilar DB 925.
What pairs well with the Walrus Audio Mantle Analog Bass Pre-Amp/DI?+
Strong matches from rig and tone-complementarity evidence: Zevex Zvex Distortron, J. Rockett Archer, Caroline Guitar Company Somersault — Zevex Zvex Distortron's own full character is the real reason this is worth trying.
How much does the Walrus Audio Mantle Analog Bass Pre-Amp/DI cost?+
Around $749.99 (live listing price, updated Aug 28, 2026).
Compare
- vs Walrus Audio Badwater Bass Pre-Amp
- vs MXR Thump Bass Preamp
- vs Demon FX Bear PAW Analog Bass Preamp