Pedals that stack with the Fender Pro Junior IV (Lacquered Tweed)

Zvex 59 Sound

Zvex 59 Sound's edge of breakup voice suits Fender Pro Junior IV (Lacquered Tweed)'s own edge of breakup character

TC Electronic MojoMojo Overdrive

What TC Electronic MojoMojo Overdrive brings here leans toward transparent — that's worth building a pairing around

Catalinbread Formula 5F6

Catalinbread Formula 5F6's own harmonically rich character is the real reason this is worth trying

Artec SE-VTM Vintage Tremolo

Run the Vintage Tremolo's smooth optical pulse after the Pro Junior IV's own simple, dynamic breakup settles, so the modulation chops a defined tone.

Origin Effects SlideRIG Compact Deluxe

Origin Effects SlideRIG Compact Deluxe's own compressed character is the real reason this is worth trying

Benson Amps Delay

Put Benson Amps Delay in Fender Pro Junior IV (Lacquered Tweed)'s effects loop, clear of Fender Pro Junior IV (Lacquered Tweed)'s own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Boss DD-7 Digital Delay

Keep Fender Pro Junior IV (Lacquered Tweed)'s edge of breakup voice out front: Boss DD-7 Digital Delay goes in Fender Pro Junior IV (Lacquered Tweed)'s effects loop so its pristine voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)