DATA-HIFI 320 high-power digital amplifier audio decoding player Bluetooth digital amplifier Digital amplifier, supports computer sound card, Bluetooth, MAV, MWA digital compression decoding, built-in 100W amplifier, can directly drive a 50W speaker with one channel, including power supply, not including speakers, if you purchase speakers by yourself or have idle speakers at home, 15-50W speakers can be adapted. Encoder quick setting menu, press the middle button of the encoder to enter the menu, move left and right to select the menu and volume Support large-capacity USB flash drives Product features: 2.8-inch LCD screen Imported DSP chip with high hardware integration Support large-capacity USB flash drives, support English/Chinese menus, display English/Chinese lyrics Bluetooth, PC sound card instructions Bluetooth mode protocol support underlying protocol support: a2dp/avctp/avdtp/avrcp version: a2dp 1.3.2/avctp1.4/avdtp 1.3/avrcpl.6.2 audio transmission protocol support: SBC, AAC USB slave protocol support (USB connected to computer) MASSSTORAGECLASS (large-capacity storage device) SPEAKERCLASS (speaker, sound card) HIDCLASS (control) USB Sound Card Audio, transfer Note: The device name of the USB sound card in the computer device manager Input format 24bit/48000Hz stereo USB is driver-free, no need to download the driver, plug in the USB cable, follow the prompts and click OK DC: 12-24V power supply. The random power supply is 24V4A96W, which can drive a single device within 40W. Leave some margin for the power supply to ensure the quality of the drive. Open the computer notepad, enter the Bluetooth name you want: Bluetooth device, and then save the name: btname.bin Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC220V