1. Can be connected to XMOS CT7601 Amanero Italy interface I2S coaxial / balanced output, can also be connected to external 12S signal input, reserved interface on the board. External I2S signals are only suitable for 4-wire standard I2S signals (MCLK,LRCK,BCLK, DATA). 2. Wolfson WM8805 digital audio receiver chip is adopted 3. Coaxial and output through isolation transformer. 4. PCB adopts arc wiring to reduce signal delay and signal rebound caused by wiring and improve the performance and quality of signal processing. 5. The filter capacitor uses ruby or chemical fever capacitor, which may be different in different batches. Support 16/24BIT, 44.1KHZ-192KHz, coaxial fiber are the same. Supply voltage: DC5V Color:As Shown Material:PCB Package Contents: 1 * Balanced Output Board Only the above package content, other products are not included. 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.