| General Specifications |
| Name/Model |
BR15 R2R |
Hardware solution |
Master control: ESP32-S3; DAC: FIIO proprietary R2R DAC; USB decoding: XU316; Bluetooth decoding: QCC5181 |
| Working mode |
USB DAC mode/Coaxial decoding mode/Optical decoding mode/Bluetooth receiving mode |
Color |
Black/Silver |
| Weight |
About 760g |
Dimensions |
About 210x188x42mm (including feet) |
| Volume control |
Knob/Remote control |
Remote control |
Supports IR remote control (only the one included in the accessory) |
| Drive-free mode (switch mode) |
Supported |
FIIO Control |
Supported |
| Oversampling setting |
OFF/96K/192K/384K |
Bluetooth reception (5.4) |
LC3/SBC/AAC/aptX/aptX HD/aptX Adaptive/LDAC/aptX Lossless |
| MQA |
Supports MQA full decoding (PEQ=OFF) |
PEQ |
Supports 10-band PEQ |
| Display |
1.47-inch LCD |
Knob indicator light |
Supports customizing color, brightness, supports always-on indication or RGB pulsing |
| Max. supported sampling rate (PEQ=OFF) |
USB decoding: 384kHz/32bit; DSD256 |
Screen status indication |
Sampling rate, volume, EQ, Bluetooth codec, working mode, etc. |
| Coaxial decoding: 192kHz/24bit; DSD64 |
Firmware upgrade |
MCU firmware: Upgrade through the front USB-C port |
| Optical decoding: 192kHz/24bit; DSD64 |
XMOS firmware: Upgrade through the front or rear USB-C port |
| Coaxial output: Up to 192kHz/24bit; DSD64 |
Bluetooth firmware: Upgrade through the FIIO Control app |
| Optical output: Up to 192kHz/24bit; DSD64 |
|
|
| Buttons and Ports |
| Knob |
Menu knob with button*1+Volume knob with button*1 |
USB port |
Type-C USB*2 (Data transmission port) |
| Digital coaxial input/output port |
RCA port (shared input/output) |
Digital optical input port |
Optical port |
| Balanced line output port |
XLR3 balanced port |
Digital optical output port |
Optical port |
| Single-ended line output port |
RCA port*2 |
Physical button |
Power button |
| Power Supply Parameters |
| Power supply |
AC 100-240V~50/60Hz; DC 5V/≥2A (either-or) |
Battery capacity |
No battery |
| Audio Parameters |
| Performance and parameters of single-ended line output (RCA out, USB DAC/Coaxial decoding/Optical decoding, oversampling 192K) |
| THD+N |
About 0.017% (1kHz/0dB@10KΩ) |
SNR |
≥116dB (A-weighted) |
| Crosstalk |
≥110dB |
Noise floor |
＜3.3uV (A-weighted) |
| Frequency response |
20Hz~20kHz: attenuation＜0.2dB |
Dynamic range |
≥110dB |
| 20Hz~65kHz: attenuation＜2.9dB |
Line output level |
2.2Vrms (1kHz@10kΩ) |
| Performance and parameters of balanced line output (XLR3 out, USB DAC/Coaxial decoding/Optical decoding, oversampling 192K) |
| THD+N |
About 0.015% (1kHz/0dB@10KΩ) |
SNR |
≥119dB (A-weighted) |
| Crosstalk |
≥112dB |
Noise floor |
＜5.1uV (A-weighted) |
| Frequency response |
20Hz~20kHz: attenuation＜0.2dB |
Dynamic range |
≥112dB |
| 20Hz~65kHz: attenuation＜2.9dB |
Line output level |
4.4Vrms (1kHz@10kΩ) |
