?<strong>Features:</strong><br>Supports coaxial and optical inputs.<br>Using the "Select" button to choose the input way. (When you choose "Coaxial"£¬ you don't have to pull out the "Optical" line.)<br>With 6.35mm headphone and RCA (L &amp; R) audio output.<br>Adopts new receiver &amp; D/A converter chips£¬ ultra low jitter and high fidelity.<br>High-quality aluminum alloy case£¬ exquisite and durable.<br><br><strong>Specifications:</strong><br>Material: Aluminum alloy<br>S/N: &gt;113dB<br>Dynamic range: 105dB<br>Distortion: &lt;=0.006%<br>Frequency range: 20Hz - 20kHz<br>Powered by: DC 9V<br>Power adapter: US Input: 100-240V 50/60Hz 0.4A<br>???????????????? ? ? ? ? ? ? ? ?? Output: 9V 1.3A<br>Item size: Approx.13 * 7 * 3cm / 5.1 * 2.8 * 1.2in<br>Item weight: 202g / 7.1oz<br>Package size: 22 * 16.5 * 6cm / 8.7 * 6.5 * 2.4in<br>Package weight: 517g / 18.2oz<br><br><strong>Package List:</strong><br>1 * Audio decoder<br>1 * Power adapter(US)<br>1 * Manual (English &amp; Chinese)