FiiO has released the latest K9 Pro flagship DAC/AMP. FiiO’s “K” series has a range of desktop DAC/AMP’s and the K9 Pro is the new leader of the chain now. FiiO initially imagined the K9 Pro to feature a dual AK4499 DAC setup but due to the disastrous fire at the AKM factory resulting in the shortage of AKM DAC chips, FiiO had to redesign the architecture of K9 Pro. Still, with the shortage of DAC chips, the quantity of … Continue reading FiiO K9 Pro AK4499 DAC-AMP