This is a small general-purpose 2ch audio amplifier with features such as an LED digital display and USB/SD card player in a compact body. The low-distortion Hi-Fi stereo sound with a rated output of 40W + 40W allows individual adjustment of the main volume and treble/bass. It also supports stable wireless connections using Bluetooth 5.0, allowing you to wirelessly connect to devices such as music players and smartphones. The beautifully oxidized body is made of aluminum alloy, which is durable and has high heat dissipation. For use with household power, a PSI certified AC adapter with an output of 12V/2A is included. This is a small general-purpose 2ch audio amplifier with features such as an LED digital display and USB/SD card player in a compact body. Hi-Fi stereo sound with a maximum output of 40W + 40W with little distortion allows individual adjustment of the main volume and treble/bass. It also supports stable wireless connections using Bluetooth 5.0, allowing you to wirelessly connect to devices such as music players and smartphones. The beautifully oxidized body is made of aluminum alloy, which is durable and has high heat dissipation. For use with household power, a PSI certified AC adapter with an output of 12V/2A is included. 【specification】 ・Color: Black ・Rated output: 40W + 40W 2ch stereo ・Frequency response band: 20Hz to 20KHz ・Impedance: 4~8Ω ・THD:＜0.4% ・SNR:＞75dB ・Input impedance: 47K ・Bluetooth: V5.0 ・Connection distance: Maximum approximately 10m (in an interference-free environment) ・Supported media: USB memory, SD card (maximum 32GB) ・Playable format: MP3 ・Operating power supply: DC12V/2~5A ・External size: Approximately 130 x 87 x 45mm ・Weight: Approx. 320g ・Set contents: Amplifier, remote control, AC adapter (12V/2A), foreign language manual *As this is an overseas product, the FM tuner function does not support the frequency band of domestic FM broadcasts. *We cannot accept returns or exchanges after this product has been disassembled or modified. *Japanese manual is not included. Additionally, we do not provide support regarding connections or usage. *As this is an imported product, there may be slight scratches, scuffs, or dents on the exterior due to transportation. *There may be slight changes in appearance and specifications depending on the manufacturing date. Thank you for your understanding.