LUSYA XZD-A1 HIFI Lossless 1 Input 4 Output RCA HUB Audio Distributor Signal Selector Source Switcher Tone Volume 1. One input and four output, each output volume is independently controlled. 2. Built-in mcu control circuit, perfect control of the impact sound of the power-off , static effect of the switch. 3. With a 10dB, gain switch, you can increase the following volume, add the level to the device with lower output level, increase the volume 4. Frequency response 20-20kHz 0.1dB, distortion 0.0001% output phase and input phase are the same 5. Each channel is independently processed by an op amp, and does not interfere with each other. The original machine is equipped with TI's NE5532 . The Buyer can replace different op amps according to their own preferences. The op amp supply voltage is 12v; the op amp is positive. Ling Jinggong produces gold-plated sockets with good contact and resistance to plugging; 6. Material fever: Japanese black diamond solid-state filter capacitor, stepless audio coupling capacitor, Tk audio audio coupling, extremely fever 7. Gold-plated RCA socket, good contact, brushed aluminum casing, laser laser engraving, high-grade, beautiful, atmospheric 8. Power supply voltage: DC DC12V, current: 1A or more than 1A 9. Size about: width 117 * height 35 * depth 107mm 10. Net weight: 350g Notice : This item Input can't connect to Amplifier Output, This Ouput Must Connect to Amplifier or Active Speaker _x000D_