A:AnswerNot sure what your asking. DC is direct current or that which is battery powered. AC is the electrical current in your home. This unit only runs on 110 volts AC.
A:AnswerAUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
(The United States model only)
With 6-ohm loads, both channels driven from 150 Hz
10,000 Hz; rated 1.5 W per channel-minimum RMS power,
with no more than 10 % total harmonic distortion in AC
operation.
A:AnswerI haven't used that feature, nor needed it. Purchased for my mom, and that was the only small Sony radio I could find online, my mom wants to return it, she said the quality and reception is not good, not worth $100.