You can use the following power supply sources for the SP-404MK2.
- AC adaptor (Roland PSD series)
Included with the product. If you need a replacement, contact your nearest Roland dealer. - USB bus power (USB Type-C port, output of 5 V=1.5 A or greater)
- Six AA batteries (rechargeable Ni-MH or alkaline)
Note that the SP-404MK2 does not have a Ni-MH battery charging function. Use a charger designed for your rechargeable batteries. - USB-AC adaptor (USB Type-C port, output of 5 V=1.5 A or greater)
- Mobile battery (USB Type-C port, output of 5 V=1.5 A or greater)
Note: We cannot guarantee that this unit works universally with all USB AC adaptors, mobile batteries, or USB hubs.