The Conexant CX31993 is a high-performance, low-power USB-C Digital-to-Analog Converter (DAC) and amplifier chip widely used in ultra-portable "dongle" adapters . It has gained popularity in the audiophile community for offering high-fidelity sound at an extremely low price point, often under $15. Core Technical Specifications The CX31993 chip is designed to transform a standard USB-C port into a high-quality audio gateway, often paired with the MAX97220 amplifier for increased driving power. Sampling Rate: Supports up to 32-bit / 384kHz PCM decoding. Signal-to-Noise Ratio (SNR): Over 128dB, ensuring a quiet background even with sensitive in-ear monitors (IEMs). Dynamic Range (DNR): Greater than 120dB. Total Harmonic Distortion (THD+N): Approximately 0.0003%. Output Power: Approximately 65mW, sufficient for most IEMs and efficient full-sized headphones. Driver Requirements and Compatibility For the vast majority of users, the Conexant CX31993 is a strictly plug-and-play device. It utilizes the standard USB Audio Class 2 (UAC2) protocol, which is natively supported by modern operating systems. Conexant (CX-Pro) CX31993 USB-C Amp/DAC Review
The Conexant CX31993 is a high-performance Digital-to-Analog Converter (DAC) chip primarily used in portable USB-C to 3.5mm headphone adapters (dongles). It is widely recognized for offering audiophile-grade sound quality at an entry-level price point. 💿 Driver & Compatibility is a Plug-and-Play device that adheres to the USB Audio Class (UAC) 2.0 standard. Windows 10/11: No manual driver installation is required; Windows automatically assigns a generic "USB Audio" driver. Android/iOS/macOS: Fully driverless. It is instantly recognized as a composite audio device. Legacy Systems: Support for Windows 7 is limited; some manufacturers offer specific drivers, but official compatibility is not guaranteed. Hardware ID: If searching for specific drivers, the device often identifies as USB\VID_06CB&PID_1595 . 🛠 Technical Specifications The chip supports high-resolution audio formats and provides clean amplification. Conexant (CX-Pro) CX31993 USB-C Amp/DAC Review
The Ultimate Guide to the Conexant CX31993 Driver: Installation, Issues, and Optimization Conexant CX31993 Driver: Your Gateway to High-Quality Audio In the world of PC audio, the average motherboard’s built-in sound card often leaves much to be desired. For this reason, millions of users have turned to USB-C dongle DACs (Digital-to-Analog Converters). One of the most popular, budget-friendly, and surprisingly powerful chips on the market is the Conexant CX31993 . However, like any piece of hardware, the Conexant CX31993 is only as good as its driver. Without the correct driver, your system may fail to recognize the device, output distorted audio, or suffer from latency issues. This ultimate guide will walk you through everything you need to know about the Conexant CX31993 driver—from installation to advanced troubleshooting. What is the Conexant CX31993? Before diving into drivers, it is crucial to understand what this chip is. The CX31993 is a high-performance audio codec manufactured by Conexant (now part of Synaptics). It is widely used in affordable USB-C to 3.5mm headphone jack adapters. Competitors like the Apple USB-C dongle use a similar chip, but the CX31993 stands out because it supports PCM up to 32-bit/384kHz natively. Most operating systems (Windows 10, Windows 11, macOS, Android, and Linux) have generic USB Audio Class 2.0 drivers built-in. This means the device is technically "plug and play." So, why would you ever need a specific driver? While the generic driver works for basic playback, a dedicated Conexant CX31993 driver unlocks:
ASIO support (low latency for music production) Hardware acceleration (reducing CPU load) Advanced sample rate controls Fix for audio dropouts on specific motherboards
Do You Actually Need the Conexant CX31993 Driver? This is the most common question. Here is the breakdown:
Windows 10 & 11 (Default): The Microsoft inbox driver works for 90% of users. You will get sound, microphone input (if your dongle has a mic jack), and basic volume control. However, you will be limited to 16-bit/48kHz in many cases due to Windows' audio engine limitations. Windows (High-Fidelity Mode): If you want to listen to 24-bit/96kHz or 32-bit/384kHz FLAC files, you need the manufacturer’s driver. MacOS / Linux: Do not bother. The native drivers are superior to anything Conexant offers for these OSes. Android / iOS: No driver installation is possible or required.
Verdict: You only need to hunt for the Conexant CX31993 driver if you are a Hi-Res audio enthusiast, a gamer experiencing audio glitches, or a music producer requiring ASIO. How to Download the Official Conexant CX31993 Driver Finding the official driver can be frustrating. Conexant no longer maintains a public consumer driver repository. Instead, the driver is usually provided by the manufacturer of your specific USB-C dongle (e.g., Avani, Abigail, Venture Electronics, or generic Chinese brands). Method 1: The Synaptics/Conexant Legacy Route Synaptics acquired Conexant, but consumer drivers are rare. You can find legacy packages on third-party hardware repositories, but be wary of malware . Always scan files before installation. Pro Tip: Search for "CX31993 driver ZIP" on reputable tech forums like Reddit (r/audiophile or r/headphones) or TechPowerUp. Enthusiasts often archive these drivers. Method 2: Windows Update (Automatic)
Plug in your USB-C dongle. Open Device Manager . Look for "Sound, video and game controllers." Right-click the "USB Audio Device" (this is your CX31993). Select Update driver > Search automatically for drivers . Windows may pull a "Conexant" branded driver. This is rare but worth trying.
Method 3: The Generic USB Audio 2.0 Driver (Safe Fallback) If you cannot find the specific Conexant package, you can force Windows to use the high-performance USB Audio 2.0 driver:
Go to Device Manager. Right-click your CX31993 device. Select Update driver > Browse my computer > Let me pick from a list . Uncheck "Show compatible hardware." Scroll to "Microsoft" and select "USB Audio 2.0 Device." Click Next. This driver supports 32-bit/384kHz.
Step-by-Step Installation Guide for Windows Assuming you have downloaded the official CX31993_Driver_Setup.exe (or similar filename), follow these steps: Step 1: Uninstall old drivers
Open Device Manager. Find the current driver (likely "Generic USB Audio"). Right-click > Uninstall device . Check the box "Delete the driver software for this device."