CX31993 MAX97220 DAC Headphone Amp Module Type-C Adapter
CX31993 MAX97220 DAC Headphone Amp Module Type-C Adapter
CX31993 + MAX97220 DAC Chip Headphone Amplifier Module – Type-C Digital Audio Adapter
Unlock studio-quality audio from your Type-C smartphone or Windows 10 PC with this compact DAC (Digital-to-Analog Converter) and headphone amplifier module. Powered by the CX31993 DAC chip and MAX97220 operational amplifier, this module delivers exceptional signal clarity, ultra-low distortion, and a wide dynamic range — all in a plug-and-play form factor.
Whether you're a hobbyist building a custom audio setup or an audiophile looking for a high-performance Type-C audio adapter, this module offers professional-grade specs at an accessible price point. Made in Mainland China.
Key Features
- High-Resolution DAC: CX31993 chip supports 32-bit / 384 kHz sampling rate for crystal-clear audio reproduction
- Powerful Amplifier: MAX97220 op-amp delivers up to 65 mW of output power, ideal for headphones up to 32 Ohm
- Ultra-Low Distortion: THD+N of just 0.00003% ensures virtually noise-free audio
- Outstanding Signal-to-Noise Ratio: >128 dB SNR and >120 dB dynamic range for rich, detailed sound
- DSD Support: Compatible with DSD64 and DSD128 (via PCM conversion)
- Broad Compatibility: Works with approximately 95% of Type-C smartphones and Windows 10 systems
- Calling & Remote Control: Supports in-line calling and remote control functions on compatible devices
- Compact & Durable Build: Plastic and metal construction for a lightweight yet sturdy module
- No Built-in Battery Required: Bus-powered via USB Type-C — no charging needed
Technical Specifications
| DAC Chip | CX31993 |
| Amplifier (Op-Amp) Chip | MAX97220 |
| Output Thrust | 65 mW |
| DAC Sampling Rate | 32-bit / 384 kHz |
| Signal-to-Noise Ratio (SNR) | >128 dB |
| Dynamic Range (DNR) | >120 dB |
| Distortion (THD+N) | 0.00003% |
| DSD Support | DSD64 / DSD128 (PCM) |
| Recommended Headphone Impedance | <32 Ohm |
| Interface | USB Type-C (Input & Output) |
| Material | Plastic + Metal |
| Built-in Battery | No |
| Country of Origin | Mainland China |
What's in the Box
- 1× CX31993 + MAX97220 DAC Headphone Amplifier Module
Note: Color may vary slightly from images due to lighting and display settings. Measurement tolerance: ±1–3 cm.
Learn More About Digital Audio Standards
For a deeper understanding of digital audio formats and how DAC technology enhances listening experiences, visit the National Institute of Standards and Technology (NIST) for resources on audio and signal processing standards.
Frequently Asked Questions
Q: What devices are compatible with this CX31993 MAX97220 DAC headphone amplifier module?
A: This module is compatible with approximately 95% of smartphones that feature a USB Type-C port. It also works with Windows 10 computers and laptops via USB Type-C. It supports calling functions and remote control on compatible devices, making it highly versatile for both mobile and desktop use.
Q: What headphone impedance is recommended for this DAC module?
A: This headphone amplifier module is optimized for headphones with an impedance of less than 32 Ohm. With a 65 mW output, it provides ample drive power for most consumer headphones and earphones in this impedance range, delivering clear and dynamic audio performance.
Q: Does the CX31993 DAC module support high-resolution audio formats like DSD?
A: Yes! This module supports DSD64 and DSD128 formats via PCM conversion. It also handles PCM audio up to 32-bit / 384 kHz sampling rates, making it suitable for high-resolution audio playback. With a SNR exceeding 128 dB and THD+N as low as 0.00003%, audio quality is exceptional.
Q: Does this module require batteries or external power?
A: No batteries are required. The CX31993 MAX97220 module is fully bus-powered through the USB Type-C connection, drawing power directly from the connected smartphone or computer. Simply plug it in and enjoy high-fidelity audio immediately.