This is a recently produced pre-main amplifier with a Bluetooth 5.0 compatible MP3 digital decoder board and a memory card audio recorder function. It has a retro wood-grain body as shown in the photo, and its design matches any environment. It comes with a remote control and a DC12V power supply (as shown in photo 13). The following is a product description of the components: TPA3116D2 Dual Channel Class D Digital Power Audio Amplifier Board, DC12-26V High Power Stereo AMP Module for Car Computer Speaker DIY Home Theater Audio System, XH-M543 Onboard front-end IC to improve input sensitivity, high-resolution sound quality. Product Description: Onboard front-end IC to improve input sensitivity, high-resolution sound quality. Name: TPA3116D2 Digital Amplifier Board. Model: XH-M543. Chip Type: TPA3116D2 Operating Voltage: DC12-26V. Output: Max 120W x 2. DC12V, 2 x 50W. DC24V, 120W x 2. Signal-to-Noise Ratio: 100db Channels: Dual-channel stereo. Size: 92 x 68 x 16mm. Bluetooth amplifier with wooden body, USB and TF card support, and FM radio function. - Type: Bluetooth speaker - Connection method: USB, TF card - Function: FM radio - Controls: Volume adjustment, mode switching - Design: Wooden body - Size: Compact - Ports: USB port, TF card slot - With Bass booster knob Built-in Bluetooth amplifier / SD / USB / AUX-IN Bluetooth (Bluetooth) built-in / amplifier built-in / SD / USB / AUX-IN 2DIN deck (remote control included). Product Information ● Hands-free calls via Bluetooth ● A2DP MP3 audio playback ● MP3 and WMA playback from USB ● MP3 & WMA playback ● AUX audio input for personal media devices ● Front AUX input ● Custom and preset equalizer settings (Jazz, Rock, etc.) ● Included remote control Thank you for viewing.