>>3 in 1 out: Support up to 3 audio source inputs and select 1 audio source output (You can refer to the "use example 1" of the product picture )
>>1 in 3 out: 1 audio source input,and 3 ports output can be switch to amp or active speakers or headphone (If you need 2 or 3 ports output to play at the same time, you need to press 2 or 3 buttons at the same time and you can keep them locked)
>>This is a passive non-powered device. Plug and play.
>>Build in solid aluminium CNC chassis, looks nice and durable.
>>This is a good idea to solve the problem of unplugging and plugging the wire.
