Ultra-compact phono preamplifier with metal casing, portable and durable.2xRCA (left and right) input 2xRCA (left and right) output 1x1/4 inch output, multiple connection .With level and volume control knobs.Convert signals to line-level signals.Ultra-low audio performance, providing sound quality.Specification:Item type: Phono preampConnector: RCA 1/4 inch connector supply: DC 12VInput: 110-240V 50/60HzOutput: 12V 500mANOTE: This is a Preamplifier, not amplifier.Pls do not place order until you know what a preamplifier is This link is special for Professional or Old customers.Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on.size: 10.3 x 3 x 5.7cmMaterial: Metalcolour: blackPackage Contents:1 x Phono Preamp1 x AdapterOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm. When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please don't hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!