I have a EOS Wireless Speaker model #EOS100R (no transmitter) that I want to somehow use with my cell phone for when I play my

[daddymac302]

Converting wireless speaker to wired speaker

 

[kanewolf]

Then you will have to buy an EOS transmitter. That speaker uses a proprietary link from the transmitter to speaker. Maybe you can find a site that has hacked it, but I don't see anything obvious in Google.