FiiO BTR17 Portable Bluetooth DAC/Amp (Open Box) Color:Black HD 550 open-back headphones

HD 550 open-back headphones

like customizing the ANC

the precision-engineered system automatically adjusts settings to avoid surrounding noise

It is fully discrete

and includes five sizes of silicone eartips (XS

FiiO BTR17 Portable Bluetooth DAC/Amp (Open Box) Color:Black HD 550 open-back headphonesFiiO BTR17 Portable Bluetooth DAC Amp Key Features at a Glance Flagship Qualcomm Bluetooth platform QCC5181 Bluetooth 5. 4 Supports LDAC, aptX Lossless Physical control knob Desktop mode 650mW+650mW powerful output Dual flagship DACs ES9069Q*2 10 band high precision PEQ XMOS 16 core XU316 Four way full balanced THX AAA 78+ amps Multi stage HiFi audio architecture A master of all trades Unrivalled The BTR17 brings together FiiO's years of expertise in