Determining what microphone works with your ION speaker is revealed by the type of input your speaker comes equipped with. There are three different inputs that you could possibly have to connect a microphone. 

1. XLR Input - This input will have 3 small holes where the 3 Pins on the end of your microphone cable will line up. Part# DM204-PW        Microphone with XLR Cable        

2. TRS Input - This input is one 1/4" hole where the end of your Microphone cable will be inserted. Part # DM204        Microphone with TRS Cable

3. Combo - This is combination of the two inputs listed above meaning either part listed will work with the input on your ION speaker.