Our D used a wireless Jawbone portable speaker with Bluetooth capabilities that was great. Easy to use, easy to tote and the sound was great. But if you google “portable speakers with Bluetooth” you will find a whole bunch of different brands of speakers at different price points that will serve the same purpose. She just put all of her cuts on a playlist on her phone. It worked very well for her. And it is nice not to be worried about whether your equipment will work with a school’s equipment.