Fangrui Product Details Product Description Nbsp;model : Pp999 Output Level: 2v Reference Voltage: 1v Load Impedance: 10k Ohms S/n Ratio (with A-wtd): 70 Db T.h.d. : 0.08 For 1 Khz 3 Mv Input Frequency Response:20 Hz 20 Khz 2db Input Sensitivity / Impedance / Phono - 3 Mv / 50k Ohms Dimensions (w X H X D)?9 X 5.5 X 2.6cm Package List:1 Phono Preamp 1.?converts Phono Signals?: A Turntable Preamp That Converts Phono Signals To Line Level Signals. This State-of-the-art Circuitry Phono Preamp Can Accommodate Magnetic Pickups With An Input Sensitivity Of 3mv At 50k Ohms. 2.?low Noise Operation?: Offers Outstanding Performance With Its Low-noise Audio Operational Amplifiers. The Output Is 2v Max (p-p) At 10k Ohms. Its Better To Position The Preamp Close To The Source To Reduce Unwanted Noise And Interference. 3.?connects To Turntables?: Connect Any Turntable To Modern Sound Equipment Without Specialized Phono Input For Amplifying Music. For The Receiver, This Can Be Connected To Speakers, Computers, Laptops And More. 4.?plug And Play?: This Mini Preamp Has Stereo Rca Inputs And Stereo Rca Outputs. Connect The Turntable To The Rca Inputs And Ground. Then, Connect The Amplifier Receiver To The Rca Outputs. Easy To Clean And Maintain 9