About this item JF-24 is a line selector guitar pedal offers 2 effect loops and 6 modes, flexiblely fit multiple devices and digital pedals A/B: 2 line channel can easily be switched to connect different music styles effect pedal chains by Send/Return jack 6 mode line selectors can be shift by independent footswitch including A/B, A/BYPASS, B/BYPASS, A/B/BYPASS, A+B/BYPASS, A/B/BYPASS Metal alloy case and precision components makes it solid, lightweight and portable Power supply by 9V 6F22 battery or adapter (Not in the package) or JOYO 9V DC pedal power supply can effectively reduce noise caused by current › See more product details