KT0701 provides a single-chip solution for audio howling-sound suppression signal processing, which can effectively avoid the occurrence of harsh noise or equipment damage caused by howling. The chip only needs simple peripheral circuits to easily realize all functions from audio data collection, howling suppression processing to analog audio output.
KT0701 integrates oscillator, phase-locked loop (PLL), programmable amplifier (PGA), 2 channels 16-Bits audio ADC, digital signal processing (DSP), 1 channel 20-Bits audio DAC, Class A and B power Amplifier (ClassAB).
The integrated serial digital audio interface can cooperate with the KT065x series of wireless microphone chips to reduce the number of external components and reduce the performance loss caused by digital-to-analog and analog-to-digital conversion. At the same time, it can also be extended to connect to an external high-performance Codec to meet the needs of customers for higher quality audio. 
The audio detection function can automatically enter the standby state when there is no audio output. In the standby state, the extremely low-energy audio detection function can wake up the chip and fully reduce the power consumption of the system. 
The built-in high-performance DSP of KT0701 is powerful and it can meet the needs of various audio systems for howling-sound suppression.
There are 6-General Purpose Input/Output(GPIO) available for customer use. GPIO has 2-wire interface, PWM output (breathing light) and other functions. 
KT0701 can meet the needs of various products such as microphones, mobile phone live sound cards, mini mixers, and various speakers. The powerful performance greatly reduces the development difficulty and cost of the overall solution. The improvement of product reliability and consistency makes production easier.