product presentationDo you have trouble at that how to connect 2 sets stereophonic signal source and 8 sets output equipment?Do you have trouble at that how to make 8 sets equipment output send sound at the same time after 2 sets equipment select shift output?One strong stereophonic shift distribute device able to solve the problems that multiply equipment plug in and out,1. 8 sets stereophonic output has independent switch, able to start at the same time, also able to be closed independently, start at the same time no consumption at the signal source tone quality and volume.2. 2 sets input able to start at the same time and mix together to input, also able to close one set independently,3. Able to solve the problem that able to distribute output 8 sets stereophonic after 1 set or 2 sets stereophonic mix input, output independent switch control,4. 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 experienceProduct ParameterMaterial: metalColor: blackInterface: RCA interfacePower supply: USB 5V supply powerInput and output impedance: 10K - 50KFrequency responding: 20 - 20kHz.Distortion: