SPL Diamond Desktop DAC and Preamplifier (Red) 1964 B&H Photo
192kHz Digital to Analog Converter Bluetooth 5.0 Receiver DAC with 16-300Ω Headphone Amplifier Optical/Coaxial to RCA 3.5mm Audio Output with Volume Control for TV Phone Tablet (Normal, Basic): Amazon.com: Industrial & Scientific
DAC - Digital to Analog Converters for Space Application | doEEEt.com