With 240 watts the radio should have all the power you may need, if you want more there are four pre-outs jacks on the back of the radio for optional amplifiers. The back of the radio also has auxiliary audio input for satellite radio or any portable player you may wish to use. This radio does not have a cassette player. Note: Some features are disabled on 55-59 applications. Contact Brothers customer service for details. Not available for 1954-55.1 applications.