Questyle M15i USB Portable DAC & Headphone Amplifier

Dual headphone outputs The M15i, equipped with four current mode amplification engines, supports 3.5mm single-ended and 4.4mm fully balanced output modes,making it suitable for a wide range of apps and devices.   Ultra-Low Noise Floor, Pure Background Just as a pure black background can highlight the richness of colors, only a low enough noise floor can capture the details in the soundtracks, appreciating true high-fidelity. The high resolution of the M15i contributes to a lower noise floor, achieving an ultra-low noise floor of -130dB in the Questyle Lab's testing environment.   Ultra-Low Noise Floor, Pure Background Just as a pure black background can highlight the richness of colors, only a low enough noise floor can capture the details in the soundtracks, appreciating true high-fidelity. The high resolution of the M15i contributes to a lower noise floor, achieving an ultra-low noise floor of -130dB in the Questyle Lab's testing environment.