JOYO PXL-PRO Foot Pedal Controller Dual 4-Channel 8 Loop Programmable Pedal Switcher with Mute Switch and Buffered Bypass (Black)Total 8 LOOP channels, but can be used as dual independent 4 channel setting. Built in 4 triggers enable you to use them to switch the amps channel or effects mode settings. Four triggers can be set separately for trigger polarity, mode and action status (including the settings under bypass). Tuner interface, and with independent mute switch for keeping mute or tuning. Provided directly by manufacturer of JOYO Technology Co.,LTD it's over decade of