Feature:1. Application Model: Replacement amplifier board shell with precise size for TPA3116 2.1 high power HiFi digital amplifier board.2. Acrylic Material: This digital amp board shell using acrylic board material, taking into account the two effects of day and night, long service life.3. Protective: After digital amplifier board case cover assembly is complete, it can guard your amplifier board, but does not affect the use.4. Sturdy And Durable: Acrylic HiFi digital amplifier board shell is light weight, with strong hardness and wear resistance.5. Easy To Assemble: Amplifier board acrylic case is easy to install, there is a layer of paper outside that can be torn off. Small size, easy to carry.Specification:Item Type: Digital Amplifier Board ShellMaterial: Acrylic BoardSuitable for TPA3116 2.1 High Power HIFI Digital Amplifier Board.Package List:6 xDigital Amplifier Board Shell Accessories4 x Studs12 x Screw