Next generation Advanced UHC-MOS single push-pull amplification circuit ultra-low noise variable gain preamp and high-precision electronic volume control LC Mount Transformer & Custom Block Condenser MM/MC compatible phono equalizer 11.2 MHz DSD, 384 kHz/ 32 bit PCM support USB-DAC function Be sure to check the detailed product description at the bottom and precautions before purchasing! To request a return or exchange, please note that it is mandatory to provide a video of the unpacking of the package.