Newest AKM DAC Chip The DX1 uses newest sub-flagship AK4493S chips of AKM's VELVET Sound Technology. AK4493S is an upgraded version of the previous AK4493. _ Plug & Play DX1 has a wide range of compatibility: Windows 10, Windows 11, MACOS, Linux, IOS, Android can be plug an play. _ No Adapter Required Like other USB device, DX1 does not require an additional adapter for power supply. Only one USB cable can complete the power supply and data transmission. _ Discrete LNRD The discrete LNRD circuit filters out the noise and interference of USB 5V power and provides stable and clean power supply of ultra-low noise reference level of DX1. _ Powerful Output In such tiny size, DX1 can provide a maximum output of 280mW x2 without additional power supply. _ 2 Gain Settings DX1 provides 2 gain settings, which greatly expands the range of headphone adaptation. _ Features : AKM 4493S DAC Chip XMOS XU208 Chip No Adapter Required Hi-Res Certification Support File DSD256 and PCM384 Powerful Output 2 Gain Settings