The invention provides a sounding device, a sounding control method and portable electronic equipment and relates to technical field of electronics. The sounding device comprises a horn diaphragm, a plurality of coils and a power amplifier, wherein the horn diaphragm comprises a plurality of vibration areas and connecting pieces for connecting adjacent vibration areas; the plurality of coils are in one-to-one correspondence to the plurality of vibration areas; each coil is used for driving the corresponding vibration area to vibrate; the power amplifier is coupled with the plurality of coils and is used for receiving an audio frequency signal and transmitting a driving signal to one or more coils according to the frequency range of the audio frequency signal. According to the sounding device, the sounding control method and the portable electronic equipment, frequency response range and response speed of the sounding device can be effectively controlled, and volume of the sounding device is improved.