Mini audio power amplifier - Compact and powerful: a small form factor with stable, high-quality connection. Rated power 40 W + 40 W into 4-16 Ω. Suitable for your acoustic home cinema system or your car (includes a 12 V 5 A power supply). Bass and treble control - LCD display with backlight and intuitive controls for volume, treble and bass. Adjust high and low frequencies for a precise, sensitive sound. Comes with a remote control for wireless audio adjustment. Note: there is an insulated plastic film on the bottom of the remote that must be removed before use; otherwise the remote will not turn on. Input interfaces - Flexible inputs: reads USB drives and memory cards, supports 3.5 mm AUX and RCA audio input. Plug-and-play setup and supports wireless Bluetooth connection. Low distortion delivers a clearer, stronger, more powerful sound. Wide application - Versatile compatibility: works with mobile phones, computers, tablets, laptops, MP3 players, TVs and AV-equipped projectors. Easy to use at home and portable enough to take to the car or garage. Use scenarios - Home cinema upgrade: connect to TV or projector via AUX/RCA or Bluetooth for richer movie sound. - Car or workshop audio: powered by 12 V supply for improved in-vehicle or garage audio. - Portable media playback: play music from USB drive or memory card, or stream via Bluetooth for flexible listening.