Roberts AC Adaptors for use with all Radios listed below:

6 Volt Adaptor - R9921, R881, R9914, R9993, R9903,  RC828, R827  & Newer Models of Revival R250

9 Volt Adaptor - R701, RP28, R737, R760, R761, & Older Models of the Revival R250

These items will not work with any of the Roberts DAB Digital Radios.