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These are just 2 of 21+ products we evaluate in Guitar Multi‑Effects Processors. Take our 60-second quiz to get a personalized recommendation across all of them.
Take the full quizKey differences: Boss 1000Core vs Fractal Audio FM9
Choosing between the Boss 1000Core and the Fractal Audio FM9 comes down to what matters most to you in a guitar multi‑effects processors. Portability affects the size, weight and number of footswitches.
The Boss 1000Core leans toward portable floorboard, while the Fractal Audio FM9 offers large floorboard. Amp modeling recreates the sound and feel of real amplifiers, while effects‑only units focus on reverbs, delays and modulation.
The Boss 1000Core leans toward balanced mix of amps and effects, while the Fractal Audio FM9 offers comprehensive amp modeling. Some processors include loopers and performance tools like scenes and snapshots.
The Boss 1000Core leans toward occasionally useful, while the Fractal Audio FM9 offers essential. The Boss 1000Core stands out for users who value high‑gain / metal and ultra‑compact and balanced mix of amps and effects.
Meanwhile, the Fractal Audio FM9 is the stronger pick if high‑gain / metal and ultra‑compact and comprehensive amp modeling are your top priorities. Rather than declaring an absolute winner, we recommend using the interactive comparison above — your priorities determine which product scores higher.

