Description: As a digital power amplifier & music player, it RCA/AUX/USB/BT 5.0/TF Card inputs, almost 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 . USB interface U-disk, computers (no need for driver) and phones (with OTG function) input. Bluetooth 5.0 achieves stable and faster transmission speed, TF card makes it convenient to enjoy high-quality music even on the road or outdoor. Adopting classic TPA3116 chip, max output power can reach 50W*2, enough for most home desktop/bookshelf/indoor passive speakers(4-16Ω). The sound is clear and clean without any audible noise even at high output. Compact design and exquisite appearance, attractive chassis with LED display and power / mode switch, very suitable for home and desktop audio system use. DC 9-24V wide voltage makes it possible to be used in car or motorcycle. 2 Channel Speaker Amplifier ，RCA/AUX/USB/Bluetooth 5.0/TF Card inputs Specification: Bluetooth: 5.0 Version Audio Inputs: RCA / 3.5mm AUX / Bluetooth / USB / TF card Audio Output: Banana Speaker Jacks U-disk/TF card Supporting Format: MP3, WAV, APE, FLAC Max U-disk / TF Card Storage: 128G Max Output Power: 50W*2 (24V/4Ω load) Speaker Impedance: 2-16Ω Frequency Response: 20Hz-20KHz Working voltage: DC 9V-24V Dimensions (L*W*H): 110x90x50mm Net Weight: 160g Package Weight: 600g Package Includes: 1× Digital Power Amplifier 1× User Manual