Transmission: 10hz - 20khz (+/- 0.5dB); 10kHz- 50kHz (+/- 2db) Distortion coefficient: Less than 0.05% Input sensitivity: MM: 58 mV, : 6.8 mV Signal-to-noise ratio: MM 83 dB, 70 dB Input impedance: MM: 47 , : 100 Ohm Output impedance: 250 ohm Gain factor: MM: 40 dB, : 60 dB Input capacitance 300pf Input: 1 x stereo , 1 x 5-pin DIN (DC IN PHO-300) Output: 1 x , 1 x 5-pin DIN (DC Out PHO-300ps) Maximum power consumption: 10 Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC 220V Color:Black Material:plastic Package Contents: 1 * Record player amplifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.