XDUOO Link V2 2021 Digital Portable DAC Headphone Amplifier Type-C to 3.5mm Port Mobile Phone USB DAC AMP Hi-Res Audio Cable (Blue) Hi-Res Audio : Link conforms to Hi-Res Audio standard, Support up to 32bit/384 kHz,DSD256 audio input, The SNR reaches to 125dB, which improves the sound quality of mobile output,And also solves the embarrassment that most mobile do not have earphone holes. High-performance decoding chip: Link There is a CS43131 decoding chip built-in Link. Compared with ordinary mobile, only 16bit/48kHz audio can be decoded, while Link supports PCM decoding up to 32bit/384kHz, and DSD256, which can present more details, truly restore lossless tone quality and enjoy high definition audio. USB DAC FOR PC: It uses a USB adapter, and is connected with a computer USB port, whether the desktop or notebook computer of MAC, WINDOWS 7/8/10/11, LINUX operating system is currently integrated with the drive of UAC2.0, Link can be plug and play. Low consumption and macro-energy: There is a professional power amplifier built-in Link, According to the impedance of different headsets, it will dynamic self-adapting earphone impedance, earplugs to large ears can be easily solved, supporting up to 600? high resistance headphones . Adaptive power adjustment: The LINK will intelligently adjust the output power according to the impedance of the connected earphone, Avoid over-driving and loud sound, always take care of your earphones.