The specifications for each output jack of the SPD-SX are as follows.
- MASTER OUT jacks (L/MONO, R): Unbalanced, 1/4-inch phone type
- SUB OUT jacks (L/MONO, R): Unbalanced, 1/4-inch phone type
- PHONES jack: Stereo 1/4-inch phone type
For the master outputs, there is a dB boost "System Gain" feature in the SPD-SX. If you're experiencing a lower output signal from the master outputs, try choosing the 12dB selection and see if that helps. Here's how;
- Press the [MENU] button.
- Cursor to "SYS," and then press the [ENTER] button.
- Cursor to "AUDIO IN/OUT," and then press [ENTER].
- Press the function 1 button to select the VOLUME tab.
- Cursor to highlight "SYSTEM GAIN."
- Press the [+] or [-] button to choose the desired setting.
Value: 0dB, 6dB, 12dB - Press the [EXIT] button when you're finished.
The new setting is saved automatically.