1 In 4 Out Audio Frequency Signal Splitter Distribute Device, Non Consumption, 3.5mm Interface Output 1. You have one stereophonic signal source (TV audio frequency, player, video game, mobile phone, PAD, computer, gramophone) want to output to other equipment at the same time (example the power amplifier, loudspeaker box or prepose amplifier) 2. This type product able to solve that 1 set stereophonic input able to distribute output 4 sets stereophonic, 3. Output has volume adjustment function, output without sound amplify function, the output keep the original tone quality and volume same with the input. 4. Input and output adopt 3.5mm earphone interface 5. Simple installation: input and output, able to be used once inserted, convenient to install, input and output signal no consumption, then can enjoy different hearing experience Product Parameter 1. Material: metal 2. Interface: 3.5mm interface 3. Power supply: USB 5V supply power 4. Input and output impedance: 10KΩ - 50KΩ 5. Frequency responding: 20 - 20kHz. 6. Distortion: Less than 0.002% 7. Output consumption: Less than 0.01dB 8. Signal gain: 0dB 9. Signal-noise ratio SN: Greater than 98dB 10. Input and output interface: Standard 3.5mm interface 11. Input passageway: 1 set stereophonic input 12. Output passageway: 4 sets stereophonic output at the same time (4 sets output unified volume adjustment) 13. Single product net weight: 0.15 kg 14. Product size: 87mm x 52mm x 22mm Kit list 1. B064 1 in 4 out audio frequency signal distribute device 3.5mm interface x 1 2. USB power supply wire (wire length 100cm) x 1 3. 3.5 public to public wire (wire length 100cm) x 1