The LS-2 Line Selector pedal represents the easy way to switch settings among several effects, devices, or amplifiers, or route input and output signals. Two line loops and six looping modes provide a wide variety of applications. - Can supply power to several BOSS compact pedals when used with an AC adaptor - The ideal power supply and master switching unit for multiple effects setups Input Impedance: 1 M ohms Output Impedance: 1 k ohms Recommended Load Impedance: 10 k ohms or greater Residual Noise Level: 85 dBu or less (IHF-A, Typ.) Connectors INPUT Jack, OUTPUT Jack, RETURN A/ B Jack, SEND A/ B Jack, DC In/Out Power Supply: DC 9 V: Dry Battery 9 V type (6F22/9 V), AC Adaptor Current Draw: 25 mA (DC 9 V) Uses a 9V battery, or 9V adapter (not included)