The Cirrus Logic CS42L43 features a stereo headphone output with a dynamic range of 114 dB, Class H amplifier, and automatic/manual supply adjustment. It supports mono mic/stereo line input, headset bias, and AFE gain control. The device includes headset-type detection, Class D speaker driver, I2C control, and SoundWire interface. It also integrates power management, supports PDM input, audio serial port, and system wake from plug/unplug events or mic button press.