ITEM NAME:Clear Case for Digital Audio Amplifier Board 2.1 Channel Subwoofer Amplifier Description: Bluetooth 5.0 TPA3116D2 Digital 2.1 Audio Amplifier Board Acrylic case. Acrylic case(Do not contain bluetooth power amplifier boardï ¼â€°. Sturdy casing protects and beautifies the amplifier board. Size: 110x100x25mm/3.98x3.94x0.98inch. Material: Acrylic , Color: Clear Package Includes: 1 Piece Acrylic Case SKU: FUZ0027914373021589.Sturdy casing protects and beautifies the amplifier board. Bluetooth 5.0 TPA3116D2 Digital 2.1 Audio Amplifier Board Acrylic case. Acrylic case(Do not contain bluetooth power amplifier boardï ¼â€°. Material: Acrylic, Color: Clear. ).