Questyle M15i | Balanced Portable DAC and Amp

M15i is the MFi Certified Update to Questyle's Beloved Ultra-portable Powerhouse M15i boasts near universal compatibility with any mobile device or computer 3.5mm and 4.4mm output with selectable gain, provides higher level of power for a wider range of headphones Can handle up to PCM768kHz/32bit and DSD512 Optimizes power consumption to prevent premature phone battery drainage Ultra-low noise floor of -130dB for a pure background and real sound Technology Without Boundaries Questyle and ESS along with research teams in the United States, China, and Canada, maintain a continuous and fruitful collaboration to exceed customer expectations in mobile decoding headphone amplifiers. The M15i uses the updated ESS flagship USB DAC chip ES9281AC, supporting D/A converting up to PCM768 and DSD512 (1st Gen M15 supports up to PCM384 and DSD256). Audio distortion performance and output power have also been upgraded compared to the previous generation. The original M15 was a best seller at Bloom