TentLabs XO-2 and XO-3
XO2 and XO3 are low jitter clock upgrades for DACs using sample rate converters. Substituting the standard clock with a new clock oscillator, designed with low jitter in mind, will greatly enhance the sound quality. This new clock oscillator is now made available at a very reasonable price. Just connect power supply and change a few components inside the player yourself - the fast and easy solution!