Jbl Rma 220 User Manual New%21 Official

: Ensure the voltage switch (if applicable) matches your region's power supply before plugging in and turning the unit on. Maintenance & Safety Tips

A: Connect to the JBL Headphones app → If an update is available, a pop-up will appear. Do not disconnect during the 2-minute update. jbl rma 220 user manual NEW%21

There is no widely recognized JBL product with the exact model number "RMA 220" . It is highly probable that you are referring to one of the following two products, as the model number "220" is prominent in their naming conventions: : Ensure the voltage switch (if applicable) matches