OPPO HA-2SE DSD-compatible portable headphone amplifier with ESS ES9028Q2M DAC Almost no scratches, in excellent condition★ Please check the accessories in the photos＾＾ This is a very rare product, so please consider it at this opportunity★ Using the ESS ES9028 DAC that took the world by storm, it can play PCM up to 32bit/384kHz and DSD up to 12.2MHz (DSD256). In addition to Android and PC, it has also obtained Apple's MFi certification, allowing direct playback of PCM up to 32bit/384kHz and DSD up to 5.6MHz (DSD128) from iOS devices. No.h0702b841m3