Upgrade your Xonar Essence One series with native Direct-Stream Digital (DSD) 2.8MHz support through DSD over PCM (DoP) Solder-free EEPROM upgrades your Essence One with native Direct-Stream Digital (DSD) support via DSD over PCM (DoP) Two additional op-amps for easy tonal customization Shop Modal header Easy DSD upgrade for Essence One devotees Do you own an ASUS Essence One DAC? Now you can add native DSD support with a simple-to-fit upgrade kit! The package includes one EEPROM chip for the upgrade to DSD 2.8MHz support and the upgrade process is straightforward: just the EEPROM into the socket — no soldering required! DSD 2.8MHz format delivers 64 times (64X) the sampling rate of traditional compact disc (CD) recordings. Profound Musicality The package includes two MUSES 02 operational amplifiers (op-amps). MUSES 02 op-amps are the world’s first op-amps to be manufactured with high-purity oxygen-free copper interconnects and the result is true-to-life tonality, spacious sound and stunning vocals.