Compact size phono preamp with metal shell, portable and durable. For converting the phono signal to a line level signal. Ultra low-noise audio performance, offers excellent sound quality. PP400 a compact phono preamplifier. Turntables have low-level signals. most audio units can only process line-level signals. Between a turntable and another audio unit (a mixer, an amplifier, or a recording unit). The phono preamplifier is a professional-quality phono preamplifier for turntables. Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. / EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC100-240V Color:Black Material:Metal Package Contents: 1 * PP400 Preamplifier 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.