Features: 1.Car Mini Amplifier: Car audio amplifier is simple and compact, practical and powerful, providing 40W and 40W rated power. Advanced circuit design, built in Bluetooth 5.0 core, no noise during Bluetooth connection, specially designed for customers who pursue high fidelity sound. 2.Multifunctional Amplifier: This 2.0 channel Bluetooth 5.0 mini audio amplifier is professionally designed with LCD display backlight and volume, treble and bass control knobs allows you to adjust high and low frequency separately for detailed sound, convenient for using. 3.Ease of Use: Compatible with two 40W rated, 4?8 speaker compact audio amplifiers. Power amplifier with remote audio adjustment for remote control, can read U disk and memory card, plug and play, support BT wireless connection, DC12V 5A power supply (DC power supply cable is NOT included). 4.Coaxial Decoding and Transmission: SPDIF transmission, support more formats, coaxial decoding, can play APE, WAV, FLAC, lossless music and ordinary format music to achieve the same sound quality as CD. High capacity transformer to give clear sound without any distortion. 5.Wide Range of Applications: The mini bluetooth amplifier is widely compatible with mobile phones, computers, tablets, laptops, MP3, MP4, TVs and projectors with AV audio, etc. You can use it at home or take it with you to your car or outdoors. specification:Item Type: Car Audio Power Amplifier Material: Aluminum Alloy Colour: Black Remote Control Battery Type: Built in 160mAh CR2025 button battery Input Voltage: DC 12V-18V 3A Frequency Response: 20Hz-20KHz Output Power: 2 x 40W Distortion Rate: 80dB Load Impedance: 4-8 Bluetooth Version: 5.0 FM Frequency: 87.5MHz-108.0MHz Input Impedance: 47K Applicable Devices: Widely compatible with mobile phones, computers, tablets, laptops, MP3, MP4, TVs and projectors with AV audio, etc. PackageList: 1 x Amplifier 1 x Remote Control 1 x Audio Cable 1 x Manual