... , can choose on/offCalendar(TA13041343). Can change alt,bass,balanceFactory LOGO49.25m-863.25m. 1000channelsCan pre-set when ... porfect(Soft, standard, vivid, bright, remember status)Stereo: alt, bass & treble, model stereoCircel stereo, standard, circel 1, circel 2, ... : ATMEL24C08SOUND IC: TDA2003*2, TA7522, TA7523, TA1343 OPTIONAL. Bass & treble control, voice balance controlPower supply: sanyo or fair ...