The CX31993 supports inline microphones (TRRS 3.5mm jacks), but Windows driver privacy settings sometimes block it.
Here is the compatibility breakdown:
Some unsigned Conexant drivers require this.
The CX31993 supports inline microphones (TRRS standard), but Windows privacy settings might block it. Go to Settings > Privacy & Security > Microphone and ensure Microphone access and Let desktop apps access your microphone are toggled On . Summary of Technical Specifications Specification Max Decoding Resolution 32-bit / 384kHz Interface Class USB Audio Class 2.0 (UAC2) Signal-to-Noise Ratio (SNR) ~117 dB to 128 dB Crosstalk Suppression Native Driver Support Windows 10/11, Android, macOS, Linux conexant cx31993 driver
Sometimes, Windows' own audio "enhancements" can cause conflicts.
Because the CX31993 is a component inside third-party products, your support path should first go through the manufacturer of the dongle or DAC you purchased. If you bought a "Conexant CX Pro CX31993" dongle, contact the company that sold it to you.
99% of users only need the built-in Microsoft driver. If it fails to load automatically, refresh it using these steps: Press Windows Key + X and select . Scroll down and expand Sound, video and game controllers . The CX31993 supports inline microphones (TRRS 3
| Feature | Conexant CX31993 (Custom Driver) | Realtek ALC5686 | Apple USB-C Dongle | | :--- | :--- | :--- | :--- | | | Poor (Community/3rd party) | Excellent (Official Realtek) | None (Apple blocks features on Windows) | | Max Bit Depth | 32-bit | 32-bit | 24-bit | | Max Sample Rate | 384 kHz | 384 kHz | 48 kHz (Forced on Windows) | | ASIO Support | Yes (Unstable) | Yes (Stable) | No | | Ease of Install | Difficult | Easy | Plug & Play |
is a highly popular, budget-friendly USB-C Digital-to-Analog Converter (DAC) chip found in numerous portable "dongle" adapters. It is primarily used to provide high-resolution audio to smartphones and computers that lack a dedicated 3.5mm headphone jack.
If your PC does not recognize the dongle, or if you want to ensure the audio stack is clean, follow these methods. Go to Settings > Privacy & Security >
: While drivers aren't required for sound, audiophile apps (like USB Audio Player Pro or HiBy Music) use their own drivers to "bypass" the system mixer for bit-perfect playback. Technical Specifications
There is no proprietary driver to “fix” Windows 7 support for this chip.