Jeremy Nicoll <jn.ml.dbn...@letterboxes.org> writes: > On Thu, 3 Aug 2017, at 16:45, Rodolfo Medina wrote: > >> Thanks. But all my 4 microphones terminates in 3.5mm, and the splitter I >> was >> talking about is two 3.5mm female and one 3.5mm male. Is this you >> mean...? > > No. Look at: https://i.ytimg.com/vi/x1q9MXvjDlM/maxresdefault.jpg > > That should show you pictures of two, three and four contact mini jack > plugs. > > A two-contact one is used for one audio channel (the two contacts being > signal & ground). > > A three contact one is used for two channels (signal 1, signal 2, and > ground). > > A four contact one is for three channels (eg on a stereo headset which > has L & R speakers, > but a single mono microphone) - the four contacts being L, R, mic and > ground. > > (The tip/ring/sleeve terms that someone else mentioned are names for the > different contacts > on a three-contact jack plug.) > > Which type of plugs do you have on your mics?
All four my mics, all my headphones, all my adaptors, are all of type 2 in the picture, where it says `stereo'. > On 'professional' equipment it gets a bit more complicated when three > connections are > used for a single audio channel, being the +ve half of a waveform, the > -ve half, and ground. > (These are known as 'balanced' connections, and typically use either XLR > plugs & sockets > or 3-contact 6.25mm audio jacks.) Many thanks, Rodolfo
