Zhongke Lanxun AB5656A2/C2 Bluetooth Audio SoC adopts a high-performance 32-bit RISC-V processor core with DSP instructions, with a maximum processor speed of 125MHz, built-in 2M bit (AB5656A2)/1M bit (AB56C2) flash memory, 113KB RAM, and flexible GPIO pins with programmable pull-up and pull-down resistors; Supports GPIO wake-up or interruption.

In terms of hardware, the chip adopts a 32-bit RISC-V processor with DSP instructions, with a speed of 125MHz; Built in 113KB memory, 2M bit (AB5656A2)/1M bit (AB56C2) flash memory.

In terms of audio, the chip supports a maximum TX output power of+9dBm, with a 16 bit single channel DAC (signal-to-noise ratio of 102dB, with headphone amplifier output) and a single channel ADC (signal-to-noise ratio of 94dB) audio encoder, supporting a sampling rate of 8/11.025/12/16/22.05/32/44.1/48KHz.

OWS earphones, also known as Open Wearable Stereo earphones, are characterized by their open and non in ear features. Compared to TWS earphones that use rubber plugs in the ear, OWS earphones can ensure comfort when worn for a long time. For the OWS headphone market, Zhongke Lanxun has launched the AB5656A2/C2 Bluetooth audio SoC, which supports the new generation BT5.4 Bluetooth protocol, ensuring stable wireless connection and low latency wireless transmission; Support ENC intelligent noise reduction algorithm, providing clear voice call effects; Equipped with a 30mW ultra strong drive, providing strong support for large-sized sound units; Support bass enhancement technology to compensate for audio loss during transmission, bringing surging low-frequency effects; Based on low-power design, ensuring the product‘s battery life.