Feature:1.Compact design and exquisite appearance with LED display and power / mode switch, Idea for home and desktop audio system use.2.Adopting TPA3116 chipset, max output power can reach 50W*2, enough for most home desktop/bookshelf/indoor passive speakers(4-16). The sound is clear and clean without any audible noise even at high output.3.Supports RCA/AUX/USB/BT 5.0/TF Card inputs, compatible with all home audio device such as phone, tablet, computer, TV, set-box, CD player etc. U-disk and TF card support WAV, APE, FLAC lossless formats.4.Supports U-disk, Computers (need not driver) and Phones (with OTG function) input. Bluetooth 5.0 achieves stable and faster transmission speed, Convenient to enjoy high-quality music everywhere.5.As a digital power amplifier & music player, DC 9-24V wide voltage makes it possible to be used in car or motorcycle too.Specification:Type: HIFI Power AMPAudio Channel: 2.0Bluetooth: V5.0Chipset: TPA3116Level: Class DAudio Inputs: RCA/ 3.5mm Aux/ BT/ USB/ TF-cardAudio Output: Banana Speaker JacksU-disk/TF Card Support Format: MP3, WAV, APE, FLACU-disk/TF Card Support Max Storage: 128GMax Output Power: 50Wx2 (24V/4 load)Speaker Impedance: 2-16Frequency Response: 20Hz-20KHzWorking voltage: DC 9V-24VPower Interface: 5.5*2.5mmPackage Included:1× Digital Power Amplifier1× User Manual