Questyle M15i Blues Blue Headphone Amplifier [MFi Certified] Jazz/Blues Custom Tuning Portable USB C DAC Amps with 4.4mm/3.5mm Outputs PCM 768kHz/DSD512 Hi-res Lossless Audio Adapter for Phones/PC

Meticulously crafted for the atmospheric aesthetics of jazz and blues! Utilizing the refined resolution of the Current Mode Amplifier, it enhances midrange warmth and the layering of high-frequency harmonics. The lazy allure of the saxophone, the rich depth of the bass, and the delicate nuances of vocals are all vividly rendered, evoking the ambiance of a late-night jazz club. Its low-power design ensures prolonged listening enjoyment without battery anxiety.

• [Flagship Chips] ：The M15i utilizes the updated ESS flagship USB DAC decoding chip, the ES9281AC, supporting up to PCM768 and DSD512 decoding capabilities. Enjoy high-resolution, high-quality music with rich detail, pure sound quality, and a wide soundstage, as if you were at a live performance.
• [Jazz / Blues Custom Tuning ] : Meticulously crafted for the atmospheric aesthetics of jazz and blues! Utilizing the refined resolution of the Current Mode Amplifier, it enhances midrange warmth and the layering of high-frequency harmonics. The lazy allure of the saxophone, the rich depth of the bass, and the delicate nuances of vocals are all vividly rendered, evoking the ambiance of a late-night jazz club. Its low-power design ensures prolonged listening enjoyment without battery anxiety.
• [MFi certified] ：The "i" suffix in M15i indicates that the M15i is MFi certified. MFi certification means perfect support for iPhone/iPad and the ios ecosystem, meeting stringent comprehensive requirements for external device power consumption and compatibility, and also avoiding the risk of damage to the phone and system caused by using incompatible USB devices.
• [Patented AMP design] ：Questyle patented Current Mode Amplifier “CMA” technology (Global PCT Patent Number: US 9,614,483 B2), enables the small device unbeatable performance: low power consumption and heat generation; large bandwidth up to 1MHz, ultra low distortion to 0.0003% and wide range impedance adaptive 8ohm ~ 600ohm, it works with most of the headphones in the market perfectly.
• [Widely Compatibility] ：Workable well with computers, Smartphones, and Laptops.High compatibility with iOS, Harmony OS, Android versions 5.1+ and Windows 10+ version, enables you enjoy your lossless Music with your preferred device anytime, anywhere.
• [What You Get] : M15i USB DAC Headphone Amp x1, Type-C to Type-C cable x1,Type-C to USB-A Converter x1, user manual x1, and friendly customer service.[Important] If there is a device incompatibility issue, please contact us and we can resolve it for you.Any problems with the M15i,we will try our best to help you.