Product Details ：Output: Connect The Pa System With A Three-core Xlr Cable Lift-gnd: When You Set The Switch To Ft, Do Not Connect To The Case: When You Set The Switch To Gnd, Connect To The Case Pad:- The 10b Attenuation Switch Is Used To Attenuate The High Impedance Output. Input: Use A 1/4inch Cable To Connect To The Uner: Send The Signal To The Amplifier Or Mixer - Scheme The Dust-free Paint Process S0201 Adopts A - Scheme Of Carmine And High-grade Gray, Which Fits Well With The Audiences Psychological Questions And Avoids The Problem Of Equipment Confusion In The Complicated Stage Links. The Dust-free Paint Process Is Adopted To Have A More Delicate Texture. Professional Signal Processing Provides Good Signal Balance And Output Solution 01 Is An Active D Box. Can Provide Musicians With Professional-level Signal Transmission And Conversion Solutions. He Sd201 Circuit Design Can Reduce The Impedance And Effectively Reduce The Noise At The Same Time. Based On This, Your Signal Be Rushed And Balanced According To The O