<p>Use ES9039Q2M JRC5532</p> <p>Electrolytic capacitors use fever capacitors</p> <p>Resistors use high-precision chip resistors to a good signal-to-noise ratio for the whole machine</p> <p>PCB uses 1.6mm thick double-sided board, 2.0 ounces copper thickness, tin spraying full process, to good passing performance of large and small currents</p> <p>Made of high-quality materials, sturdy and </p> <p>Voltage: DC 9-12V (5.5 x 2.1 socket, inner + outer -)</p> <p>Output terminal: can be connected to power amplifier, headphone amplifier, 3.5 terminal can be connected to headphones</p> <p>Input support:</p> <p>Coaxial: PCM44.1k~192k 24bit\/</p> <p>Optical: PCM44.1k~192k 24bit\/</p> <p>I2S\/DSD: PCM44.1k~384k 32bit\/DSD64, DSD128, DSD256 DSD512</p> <p>Audio input settings:</p> <p>IIS short, IIS signal input</p> <p>SPDIF short, optical input</p> <p>COAX short, coaxial input</p> <p>Material: PCB</p> <p>Color: As Shown</p> <p>(Batch different, product parts, printing characters will be different, does not affect the use of)</p> <p>Package Contents:</p> <p>1 x DAC Decoder Board</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>