Version 2 in the SPD-30 added a feature called Output Gain, which boosts the output level coming from the outputs +6dB. Selecting this setting can be helpful if your particular setup requires a stronger output signal from the SPD-30.
Here's how to access the Output Gain feature:
- Press the MENU button.
- Turn the function 1 (F1) knob to highlight "AMBIENCE."
- Press the function 3 (F3) button (ENTER).
- Press the F2 button repeatedly until you've selected the "LIMIT" tab.
- Turn F3 to choose "+6dB."
- Press the BACK button when you're finished. The new settings are saved automatically.
Roland Overview - OCTAPAD SPD-30 Version 2