Pedals that stack with the Tech 21 Bass Boost Fuzz Metallic Analog Bass

Zvex Seek Trem

Keep Zvex Seek Trem after Tech 21 Bass Boost Fuzz Metallic Analog Bass in the signal chain, clear of Tech 21 Bass Boost Fuzz Metallic Analog Bass's own gain stage

Z.Vex Super Hard On

Z.Vex Super Hard On layers clean boost onto an already fuzzy signal

Aguilar Octamizer (Bass Octaver)

Aguilar Octamizer (Bass Octaver) layers octave onto an already fuzzy signal

Strymon OB.1 Bass

Strymon OB.1 Bass's own clean boost character is the real reason this is worth trying

Walrus Audio Melee Wall of Noise Black

Run Walrus Audio Melee Wall of Noise Black after Tech 21 Bass Boost Fuzz Metallic Analog Bass in the signal chain, clear of Tech 21 Bass Boost Fuzz Metallic Analog Bass's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Pigtronix Echolution

Put Pigtronix Echolution after Tech 21 Bass Boost Fuzz Metallic Analog Bass in the signal chain, clear of Tech 21 Bass Boost Fuzz Metallic Analog Bass's own gain stage — goes in the amp's FX loop (or last, into a clean amp)