SPD-SX: Recommended External Footswitches August 23, 2021 05:14 Updated Follow The following footswitches are compatible with the SPD-SX. BOSS FS-5UBOSS - FS-5U/FS-5L | Foot Switch BOSS FS-6BOSS - FS-6 | Dual Footswitch Related articles SPD-SX: Using a Foot Switch SPD-SX PRO: How can I use a footswitch to play back a wave? SPD-SX PRO: Which external pads and pedals are supported? SPD-SX: Compatible External Pads/Triggers SPD-SX PRO: Can I set the volume for individual outputs?