FiiO BTR15 Portable High-Fidelity Bluetooth Amp/DAC (Open Box) headphone mmcx "It is technologically extremely difficult

"It is technologically extremely difficult for 11 driver units to clearly express each frequency range while maintaining a perfect balance

and precise sound reproduction even at high volumes

The HD 560S delivers the linear performance required by analytical audio enthusiasts at a breakthrough value

and push control

product planning

FiiO BTR15 Portable High-Fidelity Bluetooth Amp/DAC (Open Box) headphone mmcx "It is technologically extremely difficultBTR15 Bluetooth DAC and Headphone Amplifier QCC5125 + XU316 high performance combo Change modes with just one button Global parametric EQ 3. 5mm+4. 4mm dual outputs 0. 96 inch OLED display Dual curved glass Independent power supply for amp Dual DACs for fully balanced Comprehensive battery protection Change modes with just one button Due to the BTR15's ability to work as a Bluetooth receiver and as a USB DAC, we have implemented a PC BT PHONE mode