Questyle M15i Portable USB C DAC Amp, [MFi Certified] Hi-Res Headphone Amplifier with ESS ES9281AC, 4.4mm Balanced and 3.5mm Outputs, PCM 768kHz/32Bit, DSD512 for iPhone/PC/Laptops

DESKTOP-LEVEL SOUND IN A PORTABLE DAC AMP — Experience your music with the Questyle M15i USB DAC headphone amplifier, featuring patented Current Mode Amplification technology. Designed for audio enthusiasts who want detailed, natural sound from their favorite wired headphones and IEMs, it brings high-fidelity listening to your everyday setup.

FLAGSHIP ESS DAC WITH HI-RES DECODING — Built around the ESS ES9281AC DAC, the M15i supports PCM up to 768kHz/32-bit and native DSD512 playback. Enjoy high-resolution music from compatible devices and supported audio sources, with the resolution determined by your playback software, source file, and device settings.

4.4MM BALANCED AND 3.5MM SINGLE-ENDED OUTPUTS — Connect a wide range of compatible wired earphones and headphones using either the 4.4mm balanced output or the 3.5mm single-ended jack. Switch between compatible headphones without replacing your DAC, making the M15i a versatile companion for personal Hi-Fi listening.

MANUAL GAIN CONTROL FOR DIFFERENT HEADPHONES — Fine-tune the output gain to better suit sensitive in-ear monitors or compatible full-size headphones. The adjustable gain gives you greater flexibility when changing headphones and helps you find a comfortable listening level for different setups.

[Official MFi Certified] – Seamless Compatibility for iPhone 18/17& More.Enjoy peace of mind with MFi Certification. The M15i ensures 100% compatibility and stable connection with the latest iPhone 18/17 series, iPad, Mac, and Android devices. Plug-and-play performance without the battery drain or "device not supported" errors found in non-certified adapters.Enjoy a compact, plug-and-play Hi-Fi upgrade for your desk, commute, or travel setup. Check your device's port and connection requirements before purchase.