[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. [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. ^^ [Patented Current Mode Amplification] Desktop-Level Performance in Your Pocket Experience the signature Questyle sound with our patented Current Mode Amplification.
Unlike traditional voltage amps, the M15i offers ultra-low distortion and high-speed transient response, delivering a natural, warm, and high-fidelity sound that brings your lossless music to life.
^^ [Dual Output: 3.5 mm & 4.4 mm Balanced] Drive Any Headphone with Ease Featuring both 3.5 mm single-ended and 4.4 mm balanced outputs, the M15i is designed for versatility. With a manual Gain Adjustment switch, it can delicately drive sensitive In-Ear Monitors (IEMs) without background hiss, or provide massive power to drive demanding full-sized headphones. ^^ [Flagship ESS DAC & Hi-Res Support] Pure Audiophile Grade Decoding Equipped with the flagship ESS ES9281AC DAC chip, the M15i supports hardware decoding for PCM up to 768kHz/32Bit and DSD512. Whether you are streaming from Tidal, Qobuz, or Apple Music, youll hear every micro-detail and subtle nuance of the original recording. ^^ [Official MFi Certified] Seamless Compatibility for iPhone 17/16 & More Enjoy peace of mind with MFi Certification. The M15i ensures 100% compatibility and stable connection with the latest iPhone 17/16 series, iPad, Mac, and Android devices. Plug-and-play performance without the battery drain or "device not supported" errors found in non-certified adapters.
^^ [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. If you have any questions, please contact us and we will solve them for you. ^^ NoteWhen connecting to Lightning interface devices, you can purchase an additional Questyle LTC02 Lightning to Type-C adapter that has been officially certified by Apple MFi.