Ultra-compact phono preamplifier with metal casing, portable and durable. Features 2xRCA (left and right) input, 2xRCA (left and right) output, and 1x1/4 inch output for multiple connection options. Equipped with level and volume control knobs. Converts phono signals to line-level signals. Delivers ultra-low noise o performance with excellent sound quality. Item type: Phono Preamp Connector: RCA, 1/4 inch Power supply: DC 12V Input: 110-240V 50/60Hz Output: 12V 500mA Note: This is a preamplifier, not a power amplifier. Ensure you understand the function of a preamplifier before purchasing. Plug Type: US Plug (compatible with Canada, Mexico, Thailand, Philippines, Taiwan, and other regions using US standard voltage) Dimensions: 10.3 x 3 x 5.7 cm Material: Metal Color: Black Package Contents: 1 x Phono Preamp 1 x Adapter Only the items listed above are included. Other products are not included. Note: Lighting and display settings may cause slight color differences between the image and the actual item. Measurement may vary by +/- 1-3 cm.