FiiO BTR15 Portable High-Fidelity Bluetooth Amp/DAC Color:Blue Unique notch filter technology

Unique notch filter technology

they are off the shelf and as such

KIMBER KABLE®

we experimented with placing different materials behind the driver in the earcup – the results showed the headphone responding strongly to any changes

The metal hardware is cast zinc and manganese spring steel

FiiO BTR15 Portable High-Fidelity Bluetooth Amp/DAC Color:Blue Unique notch filter technologyBTR15 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