KT02H20 DAC Chip Equipped with the KT02H20 DAC chip, the AD1 delivers low-power, stable decoding performance, supporting up to 32bit/384kHz high-resolution audio sampling. It converts digital signals to analog with monitor-level fidelity, capturing subtle instrument harmonics and vocal nuances. With -85dB THD+N and 100dB DNR, it achieves studio-quiet background noise and minimal distortion. The 3.5mm female jack is strictly CTIA-compliant, not compatible with OMTP, TS, or TRS microphone devices. Pro-Grade Durability & On-the-Go Convenience Built with robust materials and a high-strength structure, it withstands countless twists, pulls, and frequent plugging and unplugging, ideal for studio sessions, live performances, and daily monitor use. Metal-coated connectors ensure stable, lossless audio transmission, while the standard 3.5mm jack and USB-C plug resist wear. Its compact design slips easily into pockets or bags, making it a reliable backup for on-location recording. Android In-Line Control Unlike ordinary adapters that disrupt in-line functions, it works flawlessly with monitor headphones featuring built-in microphones and Android-compatible controls. Adjust volume, pause/play tracks, or answer calls via headphone or earphone cable buttons. Following CTIA Standard Wire-controlled Microphone Call, it supports all 3.5mm monitor headphones' in-line functions, ensuring precise control during professional use. Universal Type-C Compatibility Equipped with a USB Type-C interface, it seamlessly connects with most modern Type-C devices for a hassle-free plug-and-play experience. No drivers, software, or complex setup needed. Enjoy instant, high-fidelity audio across a wide range of Type-C smartphones, laptops, and tablets without compatibility guesswork.