... oscillator, the main chip, the digital output chip, DAC digital, DAC analog, headphone amplifier, display control, to ensure the best sound ... remote control can directly select the folder or directly input the track number. The operation is very convenient. Digital output ... Chip: Wolfson WM8740.LVP: AD8656.Headphone Amp chip: AD8397.Digital Output: Coaxial (RCA), Fiber Optical (round).Analog Output: ...