RC-500: Can I apply a loop FX to the input sound? February 04, 2021 09:58 Updated Follow A loop FX cannot be applied to the input sound. The loop FX can be applied to recorded tracks. Related articles RC-500: Can I apply different loop FX to tracks 1 and 2, after they are recorded? RC-500: Saving a Memory RC-500: How do I change the measure length for a track? RC-500: Can I set the recording time for each track? BOSS PSA adaptor: Specification Differences by Model