Silent Sound System is incredibly user-friendly: simply plug the included RCA to 3.5mm cable into your transmitter and audio source, and you're ready to transmit your sound! Being easy to use is only one thing that sets our Silent Disco Headphones apart. We also provide FREE custom branding with your logo, FREE heavy-duty plastic totes for storage and transportation, FREE Headphone Management Binder for keeping track of your headphones, and FREE product support from our passionate staff. If you want hassle-free Silent Disco equipment, Silent Sound System is for you!