Feature: 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. 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. Max output power can reach 80Wx2, 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. Compact design and exquisite appearance with LED display and power / mode switch, Idea for home and desktop audio system use. 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 AMP Audio Channel: 2.0 Bluetooth: V5.0 Level: Class D Audio Inputs: RCA/ 3.5mm Aux/ BT/ USB/ TF-card Audio Output: Banana Speaker Jacks U-disk/TF Card Support Format: MP3, WAV, APE, FLAC U-disk/TF Card Support Max Storage: 128G Max Output Power: 80Wx2 (24V/4 load) Speaker Impedance: 4-16 Frequency Response: 20Hz-20KHz Working voltage: DC 9V-24V Power Interface: 5.5x2.5mm Plug Type: EU Plug, it applies to Indonesia, Germany, France, , Italy and so on voltage: AC100-240V Material: Metal+Plastic colour: Silver Grey Package Contents: 1 x Amplifier 1 Adapter(Power adapter styles are random, Cannot be chosen the specific style.) 1 x RCA cable 1 x Audio cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.