Description The part adopts ES9018K2M decoding of American company. The decoding chip supports 32bit/384kHz, and DSD, with excellent dynamic DNR: 127dB; low distortion +N 120dB USB decoding chip supports 24bit 96kHz Multiple sets of LDOs are used to avoid interference between different circuits, digital-to-analog separation of ground lines, and reduction of interference The op amp part is powered by positive and negative voltage, and 3 op amps are used. Two (TI NE5532) are responsible for I/V conversion and LPF. One (TI TL072) is responsible for differential single-ended, the bottom of the op amp. The installation of Taiwan Zhengling s socket not only ensures good contact, but also facilitates the replacement of different styles of op amps by fans. Power supply mode: USB power supply Support XP/VISTA, 7/8/10; OS; Plug and Play Ribbed process chassis, the appearance of throwing away from the same price machine , gold-plated terminal output. line output on the board, can be connected to active speakers or amplifiers, can not directly connect passive speakers Input: USB interface; Output interface: (double lotus) Size: length 78mm x width 51mm x 21mm Colour: As Shown Material: ABS Package Contents: 1 x Audio Decoder Only the above package content, other products are not included. Note: Light 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.