Fiio BTR3K User Manual

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fiiO Portable High-Fidelity Bluetooth 5.0 Amplifier User Guide
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fiiO Portable High-Fidelity
Bluetooth 5.0 Amplifier
Contents [ hide
1 Buttons nad Ports labeled/Operation
explained
2 Functions & Operations
3 Enter pairing mode
4 File Downloads
5 Related Manuals
Buttons nad Ports labeled/Operation explained
Functions & Operations
Power on/off: Hold the Power button for about 3 seconds until the blue light flashes for three times, and the device will then power on/off.
Reset: Hold the Power button for about 10 seconds at any time. USB DAC mode: Turn on the device and connect it to the computer,and then select it as the default audio output
device to play music.
Firmware upgrade: Please go to https://www.fiio.com/supports to get the detailed instruction.
Note
* The BTR3K supports the headphones with TRRS connectors conforming to the Apple Standard (CTIA) .
* When pairing to the device via Bluetooth and using USB DAC function at the same time, Bluetooth connection takes priority. Please pause the Bluetooth playback when using the

Fiio BTR3K Specifications

General

DAC Chip	AK4377A
Bluetooth Version	5.0
Charging Time	1.5 hours
USB DAC Functionality	Yes
Weight	26 g
Bluetooth Chip	Qualcomm CSR8675
USB Type	USB-C
Headphone Output	3.5mm single-ended, 2.5mm balanced
Frequency Response	20Hz-40kHz
Supported Codecs	AAC, SBC, aptX, aptX LL, aptX HD, LDAC
Output Power	25mW (32Ω load)
Battery Life	11 hours
THD+N	<0.003%
SNR	120dB
Signal-to-Noise Ratio	120dB
Total Harmonic Distortion	<0.003%