Pedals that stack with the Mooer SCS1 Spark Compressor

Xotic RC Booster

Xotic RC Booster's own transparent character is the real reason this is worth trying

Beetronics Buzzter Boost Preamp

What Beetronics Buzzter Boost Preamp brings here leans toward transparent — that's worth building a pairing around

Carl Martin DeLayla XL

Keep Mooer SCS1 Spark Compressor's compressed voice out front: Carl Martin DeLayla XL goes after Mooer SCS1 Spark Compressor in the signal chain so its analog warmth voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Carl Martin Headroom

Carl Martin Headroom's spring voice goes after Mooer SCS1 Spark Compressor in the signal chain — it's not there to compete with Mooer SCS1 Spark Compressor's own compressed character — goes in the amp's FX loop (or last, into a clean amp)