inputs.text: superheterodyne radio not work like one like crystal radio - receivers sensitivity way better thought would bands sound crystal clear easy listen selectivity poor would say sw side like crystal radio rf amp local stations overlapping dial powerful stations heard fm hand great tunes distant stations days manufacturer puts low priced radio together use one two ics receivers functions make play one rf coil plastic 455khz osc usually lot stages selectivity image rejection comes suffer images sw dial readings way band like read reviews fm sw1 sw2 band mine right frequency speaker looks bigger 3\\ coby says infact 3 58\\ imagine long batterys last cells 2 receiver good listening powerful stations selectivity ability separate stations receiver well built