Alternatives to the Electro-Harmonix Nano Operation Overlord

Ashdown Pro-FX Two-Band Boost

Shared character: amp, full, boost

Ashdown Pro FX Retro Drive

Shared character: hard_rock, full, middle

Fulltone Fulldrive 2 MOSFET

similar tone character

Boss SD-1 Super OverDrive

similar tone character

Aguilar - OBP-1TK On-Board Bass Preamp

Shared character: amp, full, treble

Ashdown Triple Shot

Shared character: definition, treble, mix

Ashdown James LoMenzo KegaDrive Bass Distortion

Shared character: full, treble, hard_rock

Electro-Harmonix Bass Metaphors

Shared character: treble, mix, middle

Dunlop MXR M85 Bass Distortion

Shared character: full, mix, middle

Fender Trapper

Shared character: bass, hard_rock, mix

Ashdown James LoMenzo HyperDrive

Shared character: full, treble, mix

DSM & Humboldt Electronics Sub-Atomic X-Over Cmos Bass Preamp

Shared character: definition, mix, distortion

Orange Bass Butler Bi-Amp Bass Preamp

Shared character: response, bass, clean

Boss BB-1X

Shared character: bass, full, mix

Carl Martin Bass Drive

Shared character: mix, response, bass

Ashdown Geezer Butler Signature

Shared character: hard_rock, treble, middle

Ashdown James LoMenzo Mega Drive

Shared character: amp, hard_rock, definition

Demon FX Microtubes A7K Bass Preamp

Shared character: middle, amp, bass

Death By Audio Basswar

Shared character: hard_rock, definition, attack

EarthQuaker Devices Scrolls V1

Shared character: definition, distortion, bass

Demon FX Microtube D7K "Bass" Preamp

Shared character: amp, bass, metal

Sadowsky SBP-1 Bass Preamp/DI

Shared character: full, treble, response

Electro-Harmonix Nano Battalion

Shared character: bass, definition, treble

Ashdown MAS GZR-Pod

Shared character: hard_rock, treble, response

Tech 21 DP-3X Dug Pinnick Signature Bass Distortion

Shared character: hard_rock, mix, response

Mission Engineering Momentum Bass Overdrive

Shared character: bass, touch, response

Fuzzrocious Pedals Baby Furnace

Shared character: definition, attack, bass

Electro-Harmonix Blogger

Shared character: definition, full, middle