Function: 1 Vocal effectors provide 9 different vocal harmonic effects and have 12 adjustable spacing 2. Vocal effect devices have adjustable major shift and minor shifts to support Super Imposing of two trucks. 3 Independent adjustable vocal reverb effect has individual nail control switch for effect. 4 Powered by 48V phantom power source with excellent response effect, support more microphone types. 5 The effect shell is made of metal that is impact and abrasion resistant for long term use. Specifications: Item Type: Vocal Effect Material: Metal Color: Purple Device Input Impedance: 1MΩ 6.35mm Mono Socket MIC Input Impedance: 2.49KΩXLR Equilibrium Socket Headphone Output Impedance: 32Ω 3.5mm Stereo Socket MIC Output Impedance: 600ΩXLR Equilibrium Socket AU XIN Input Impedance: 10KΩ3.5mm Stereo Socket Operating current: 50 0mA Operating Voltage: DC 9V (External Positive and Internal Negative)