Roland's latest smartphone mixer can record your entire band
 

Your phone's mic is fine for quick audio memos and the like, but if you want to record music on it, you need something a little more robust. Roland revealed a palm-sized audio mixer at CES in 2017, a little device called Go:Mixer that could record up...

https://www.engadget.com/2018/07/18/...d-entire-band/