Oticon RITE Dual / Delta Speaker Wire - is compatible with the Oticon Dual and Delta Receiver in the Ear (RITE) hearing aids.
On the gray housing of the speaker wire you will see a number, blue denotes a left wire, red denotes a right wire and the number itself is the size of the wire.
The Oticon RITE Dual / Delta Speaker Wire is available in sizes 1, 2, 3 and 4.
Suitability includes Oticon Dual XW, W and V, Dual M9, M7, M5, Pro, Oticon Delta 8000, 6000 and 4000. Also compatible with the same products rebranded by Hidden Hearing (Plus M480, Plus M460, Plus M440, Plus M320, Plus 9K, Plus 7K and Plus 5K)
It is a very easy process to remove the old speaker wire and replace with a new one, for a helpful video see here