{"product_id":"cx31993-max97220-dac-headphone-amplifier-module-type-c-adapter","title":"CX31993 MAX97220 DAC Headphone Amp Module Type-C Adapter","description":"\n\u003ch2\u003eCX31993 + MAX97220 DAC Chip Headphone Amplifier Module – Type-C Digital Audio Adapter\u003c\/h2\u003e\n\u003cp\u003eUnlock 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 \u003cstrong\u003eCX31993 DAC chip\u003c\/strong\u003e and \u003cstrong\u003eMAX97220 operational amplifier\u003c\/strong\u003e, this module delivers exceptional signal clarity, ultra-low distortion, and a wide dynamic range — all in a plug-and-play form factor.\u003c\/p\u003e\n\u003cp\u003eWhether 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.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Resolution DAC:\u003c\/strong\u003e CX31993 chip supports 32-bit \/ 384 kHz sampling rate for crystal-clear audio reproduction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePowerful Amplifier:\u003c\/strong\u003e MAX97220 op-amp delivers up to \u003cstrong\u003e65 mW of output power\u003c\/strong\u003e, ideal for headphones up to 32 Ohm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Distortion:\u003c\/strong\u003e THD+N of just 0.00003% ensures virtually noise-free audio\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutstanding Signal-to-Noise Ratio:\u003c\/strong\u003e \u0026gt;128 dB SNR and \u0026gt;120 dB dynamic range for rich, detailed sound\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDSD Support:\u003c\/strong\u003e Compatible with DSD64 and DSD128 (via PCM conversion)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Compatibility:\u003c\/strong\u003e Works with approximately 95% of Type-C smartphones and Windows 10 systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCalling \u0026amp; Remote Control:\u003c\/strong\u003e Supports in-line calling and remote control functions on compatible devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Durable Build:\u003c\/strong\u003e Plastic and metal construction for a lightweight yet sturdy module\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Built-in Battery Required:\u003c\/strong\u003e Bus-powered via USB Type-C — no charging needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003ctr style=\"background-color:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDAC Chip\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eCX31993\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eAmplifier (Op-Amp) Chip\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMAX97220\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput Thrust\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e65 mW\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDAC Sampling Rate\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e32-bit \/ 384 kHz\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eSignal-to-Noise Ratio (SNR)\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u0026gt;128 dB\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDynamic Range (DNR)\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u0026gt;120 dB\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDistortion (THD+N)\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e0.00003%\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eDSD Support\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eDSD64 \/ DSD128 (PCM)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eRecommended Headphone Impedance\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u0026lt;32 Ohm\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eInterface\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eUSB Type-C (Input \u0026amp; Output)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003ePlastic + Metal\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eBuilt-in Battery\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eNo\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background-color:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"padding:8px; border:1px solid #ddd;\"\u003eMainland China\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× CX31993 + MAX97220 DAC Headphone Amplifier Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: Color may vary slightly from images due to lighting and display settings. Measurement tolerance: ±1–3 cm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eLearn More About Digital Audio Standards\u003c\/h3\u003e\n\u003cp\u003eFor 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.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What devices are compatible with this CX31993 MAX97220 DAC headphone amplifier module?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What headphone impedance is recommended for this DAC module?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the CX31993 DAC module support high-resolution audio formats like DSD?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this module require batteries or external power?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What devices are compatible with this CX31993 MAX97220 DAC headphone amplifier module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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. 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