NUX NMP-2 is a universal dual switch controller with OPEN, CLOSE and LATCH modes, and it's a combination of momentary and latch type controllers, you can use it in both ways. You can connect to any amplifier or pedal with 1/4" jack controller input, and it's also compatible to use with keyboards, synthesizers etc. Just make sure the equipment must have the global control input and NMP-2 will work perfectly. NUX NMP-2 is also works with: NUX Loop Core Deluxe, NUX JTC Drum & Loop PRO and NUX Cerberus.