Gustard A26Specification Dual AK4499EX & AK4191 DAC Chips The GUSTARD A26 DAC combines two AK4499EX DAC chips with one AK4191 modulator from Asahi Kasei Microdevices. With independent power supply and grounding for each channel, separate digital analog architecture eliminates interferences from the beginning. FPGA Exclusive Technology & Streamer Renderer Adopting FPGA exclusive technology, the A26 features signal routing, clock management, 2rd order PLL, DOP