HF electronic tube audio front-end amplifier with 4 inputs and 2 simultaneous outputs SA-1000 front-end amplifier, with 4 inputs and 2 outputs simultaneously; Separate circuit design, achieving low distortion high amplification and restoration output; solve problems such as insufficient output lines and noise in sound conversion SA-1000 is a HF gallbladder machine that integrates electronic tube front stage, lossless audio switch, and fever earbuds It is an indispensable audio signal transfer station for building desktop HF audio systems Plug Type:EU Plug,it applies to Indonesia, Germany, France, , Italy and so on Voltage: AC100-240V Color: Black Material: aluminum alloy Package Contents: 1 x SA-1000 amplifier 1 x charger 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.