Application: In a small portable audio device or speaker.
Specifications
Voltage = 7.2-9.6 V
Current consumption > 1000 mA
Power input = DC adapter & Battery (AA)
LED indicator-DC adaptor or Battery in use
On/Off power switch
Input = Stereo
Output = 3 Channel (2 x high frequency; 1 x low frequency)
Output power = as high as possible
Crossover At 500 Hz (2nd order)
Volume limiting = to adjust for all input level
PCB Size = 30 x 50 cm (or smaller)
Volume control