Is there a way to plug my iPhone into a microphone jack?

speaker system microphone image

Franz Ferd

I'm going to be in a school gym that has a great speaker system but only microphone jacks on the walls to connect to. (I'm sure their is another standard way like to play music but I don't have access to it) Is there an adapter I can buy to connect my iPhone to this so the audio coming out of the headphone jack will play from the speakers? Where would I be able to buy something like that? Thanks!

Answer
Yes there is!!!

You need two things to do this right - neither one is very expensive.

You need a 3.5mm to 1/4 inch adapter cable:

http://www.amazon.com/Hosa-CMP153-Stereo-8In-Mono/dp/B0002CZZ0G/ref=sr_1_16?s=musical-instruments&ie=UTF8&qid=1302634971&sr=1-16

Direct box:

http://www.amazon.com/Pyle-Pro-PDC21-Instrument-Balanced-Unbalanced/dp/B0027V760M/ref=sr_1_3?ie=UTF8&s=musical-instruments&qid=1302634907&sr=1-3

Connect the 3.5mm end to your headphone output on the ipod. Connect one of the 1/4 inch ends to the input on the direct box. Leave the other one unconnected. Connect the output of the direct box to the mic jack on the wall using a standard 3 pin XLR mic cable:

http://www.amazon.com/Whirlwind-MIC03-Female-Microphone-Cable/dp/B001J1SX94/ref=sr_1_5?s=musical-instruments&ie=UTF8&qid=1302635518&sr=1-5

The direct box is needed for two reasons - the mic input is very sensitive and your ipod puts out too much signal for that type of input - the direct box cuts that down to mic level. The box also balances the output from your ipod - XLR mic inputs are balanced.

It will work great but it will require a bit of investment on your part. All of these items are available at any store that sell musical instruments and sound equipment (like Guitar Center) or online.

Does a conference room speaker exist for cell phones?

judithsr

I'm looking for a product that I'm not sure exists. I guess there are conference room speaker systems with a microphone attached that allows for everyone to be heard well over a speaker during a meeting. (Hopefully this is the correct description).
Does anyone know if an item like this exists that can be used with cell phones, or cell phones AND landline phones? And, does anyone know the proper name for an item like this?
Thank you!

Answer
Like videoconferencing, boardrooms also have audioconferencing capability through telephone lines. There is a device to which the room's audio equipment feeds into the phone to transmit to the remote location, and also feeds the remote location into the room's audio system. Each end needs one of these interfaces, and they're designed so that each end can hear the other without their own speaking feeding back into their own sound system.

Since they use the RJ11 telephone cables to attach the telephone to the interface, I don't think there is anything like that for cell phones yet. But there may be. I'm just not aware of it.

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