| Features: (1)With 6 kinds of audio input (Bluetooth 5.0 / USB & U-disk / stereo RCA / AUX / SD card / FM radio) and 2 kinds of audio output (stereo RCA / 3.5mm headphone jack), compatible with different audio devices and such as phone, computer, CD player, Echo Dot and so on. (2)Can be used as a Bluetooth or USB DAC, a preamp, a headphone amp and a FM radio, but also as a digital music player, supporting lossless format such as APE, FLAC, WAV, MP3, WMA, DTS etc, providing HiFi listening experience. (3)Op amp circuit adopting NE5532 chip, with strong drive power, better sound quality and warm sound listening. Noise reduction circuit is specially designed to upgrade the sound and make no | |