This 6-way momentary footswitch is designed for Marshall JVM 4-channel amplifiers and offers full programmability, allowing you to store and instantly recall your favorite tones. Whether you're switching between channels, modes, or presets, this footswitch lets you take your custom settings anywhere and use them with any compatible JVM-4 amp. Each of the six buttons features an indicator light, providing clear visual feedback of the selected mode and helping you navigate your setup with ease.