Questyle M15i Portable DAC/Amp (Open Box) usb-a female which brings excellent transient response

which brings excellent transient response and achieves high-definition sound effects

It was developed specifically for our Planar Magnetic drivers to get the full potential out of it

These stellar headphones deliver formidable power

bringing an unprecedented excellent tuning

waveform-inspired design

Questyle M15i Portable DAC/Amp (Open Box) usb-a female which brings excellent transient responseApple MFI Certification Ensures High Performance and Compatibility "i" in M15i indicates that it has been certified by Apple's MFi program. MFi certification ensures perfect compatibility with the iPhone iPad and the Apple ecosystem. It meets Apple's strict requirements for external devices in terms of power consumption and compatibility, avoiding the risk of damage to phones and systems caused by arbitrary connections of USB devices. Equipped with