XU20 Portable SPDIF/Coaxial Input HiFi Optical Fidelity Stereo Headphone Amplifier

1. Ultra-low JITTER digital receiver chip DIR9001 produced by TI 2. Easily drive 300 Euro headphones with high power, low distortion independent amp circuit 3. Optimized sound quality with a large number of resistor-grade resistors and capacitors 4. Suppor