This kind of Ics include AM/FM radio IC, single band AM radio, all kinds of Audio power amplifier and preamplifier, etc. designed for portable cassette players and radios.

• 音响系列电路包括单片调幅收音机电路、单片调频/调幅收音机电路、单片调幅收录机电路、各类音频功率放大及前置放大电路、马达稳速电路、调频立体声锁相环解码电路等，可广泛应用于便携式及盒式收录机。