Pristine & Authentic Hi-Fi Experience
XMOS XU216 Audio DAC Chip with 16 cores & 16 threads

XMOS XU216 processor for MQA Full Decoder, PCM 768KHz and DSD 512 (Native). Enjoy digital master-quality audio.
ESS High Performance DAC Chip

Tone2 Pro continues with the time-tested ESS ES9038Q2M DAC chip paired with four TI OPA1612 operational amplifiers and three RT6863D power amplifiers at the buffer stage to provide balanced RCA output at ultra-low distortion (0.000126%) . Tone2 Pro can provide high power output and drive up to 300 ohm high-impedance Hi-Fi headphones easily, unlocking the true potential of your headphones for a high-fidelity listening experience.
Multiple Input/Output Methods
Tone2 Pro has multiple I/O interfaces on its compact chassis.
Input: USB, S/PDIF, Bluetooth (external BT Magic dongle is required)
Output: Balanced RCA, Single-end RCA, 4.4mm balanced jack, 3.5mm single-end jack
You will be able to manually switch between a variety of audio input and output devices easily.

Patented Balanced RCA
Khadas Balanced RCA is a new connector standard designed by Khadas with a 3-pin audio interface (positive / negative / ground). All metal contacts are gold-plated. Using a Khadas "Balanced RCA Male to XLR-3 Male Hi-Fi Audio Cable", Tone2 Pro is able to output balanced audio to legacy XLR-3 equipment.