Ultra compact phono preamplifier with metal housing, portable and durable. 2xRCA (L and R) inputs 2xRCA (L and R) outputs 1x1/4inch TRS output, multiple connection options. With level and volume control knobs. To convert the phone signal to a line level signal. Ultra low au-dio performance, offers excellent sound quality. Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. Voltage: AC100-240V Power Supply: DC 12V input--110-240V 50/60Hz output--12V 500mA Colour:Black Material:Iron Package Contents: 3 x Phono Preamp 3 x Power Adapter 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.