The Fosi Audio ZD3 is a fully balanced digital-to-analog converter preamplifier with multiple inputs and outputs. The DAC supports HDMI-ARC input and is equipped with a powerful ES9039Q2M chip to deliver rich and superior sound. The ZD3 supports high audio resolution with a maximum capability of DSD512 and PCM 32 Bit/768 kHz sampling rates. The result is unparalleled clarity and depth. The ZD3 offers comprehensive connectivity and supports inputs such as Bluetooth, USB, OPT, COAX, and HDMI ARC, as well as balanced XLR/RCA outputs. This flexibility allows you to adapt your audio system to various setups and scenarios. The ZD3 features a 1.5-inch OLED display, a remote control, a preamp bypass switch, and 12V trigger in/out interfaces that enable synchronized power on and off functions with other home audio devices, all designed for a great user experience.