USB-C Digital AV Multiport Adapter is not working with headphones
I connect a piano to my ipad with USB ( 6' USB to USB-B Cable).
I'd like to use a headphones. So I bought USB-C to 3.5mm Headphone Jack Adapter (MU7E2AM/A). So I connect my headphones to MU7E2AM/A, and connect MU7E2AM/A to USB-C Digital AV Multiport Adapter.
The headphone is not working. It works without USB-C Digital AV Multiport Adapter, but I need it to connect my piano.
Please advice