support system:1: WIN7, WIN8, WIN10, (need to install the driver we provide)Note: XP is not supported2: Native MacOS uses the system's own driverSupported sampling rates:PCM: 16/24/32 bit 44.1/ 48/ 88.2/ 96/ 176.4/ 192/352.8/ 384KHzDSD: 64/128/256 (DSD256 must be supported by higher version FB2000)Power and signal input:Type-C interfaceVolume adjustment:Computer adjustment, volume key adjustmentAnalog output:3. 5MM headphone socketDetailed description:1: PCB adopts double-layer immersion gold process design to ensure good currentPass performance2: High-quality active crystal3: Has its own development program, complete optimization of the chip, signal integrityBetter, less signal distortion4: Double op amps are used, and the op amps are powered by positive and negative power supplies5: Product size 100*31.5*10mm