Fiio BR13

General Specifications
Name/Model: BR13 
DAC: ES9018K2M
Op-amp: TPA1882
Bluetooth: QCC5125
Working mode: USB DAC/Bluetooth Receiving/Coaxial Decoding/Optical Decoding         
Weight About: 135g
Color: Black
Volume control: Physical buttons
Dimensions About: 98x96x26.5mm 
Channel balance: L12~R12 (0.5dB per level)
Display: 1.1-inch LCD display with backlight
 

Buttons and Ports    
Buttons Power button (power on/play/pause)*1+Input select switch*1+EQ select switch*1+Volume button*2 USB 2-way Type-C (Power supply/data transfer)
Power input: Type-C 
Single-ended line-out: RCA plug
Digital optical input: Optical in 
Digital optical output: Optical out
Digital coaxial input/output: RCA plug

Unique Features
Bluetooth receiving (5.2): AAC/SBC/aptX/aptX LL/aptX Adaptive/aptX HD/LDAC        
Bluetooth codec indicate (on display): SBC, AAC, aptX/aptX LL, aptX HD, LDAC, aptX Adaptive
Max supported sampling rate        
Local decoding: Up to 96kHz/32bit        
Coaxial in decoding: Up to 192kHz/24bit
Optical in decoding: Up to 96kHz/24bit
Coaxial out decoding: Up to 96kHz/24bit (Frequency doubling)        
Optical out decoding: Up to 96kHz/24bit (Frequency doubling)
EQ adjusting: Five EQ styles included: JAZZ-POP-ROCK-CLAS-MEM1-MEM2        
Bluetooth multipoint: Supported
FIIO Control: Supported        
Firmware upgrade: Over-The-Air (OTA)
Standby: Display automatically off if no signals for 5 minutes (select on the app: 5/10/15 mins)

Power Supply Specifications

Power supply: USB 5V/1A

Audio Parameters    
Parts of performance and parameters of line-out/headphone output (RCA out, USB DAC/Optical decoding)
THD+N & Noise:＜0.000614% (1kHz/-0dB@10KΩ)
SNR: ≥113.6dB (A-weighted)
Crosstalk: ≥108dB 
Noise floor: ＜5.1uV (A-weighted)
Frequency response: 20Hz~20KHz: damping＜1.92dB 
Line output level: 2Vrms 
Parts of performance and parameters of line-out/headphone output (RCA out, Coaxial decoding)
THD+N & Noise:＜0.000617% (1kHz/-0dB@10KΩ) 
SNR: ≥113.6dB (A-weighted)
Crosstalk: ≥109.1dB 
Noise floor:＜5.1uV (A-weighted)
Frequency response: 
20~20KHz: damping<1.87dB
20Hz~50KHz: damping＜1.23dB 
Line output level: 2Vrms
Parts of performance- Bluetooth LDAC receiving and Line-out output
THD+N & Noise:＜0.0019% (1kHz/-0dB@10KΩ) 
SNR: ≥113.2dB (A-weighted)
Crosstalk: ≥97.7dB (1kHz/-0dB@10KΩ) 
Noise floor:＜5.1uV (A-weighted)
Frequency response: 20Hz~20KHz: damping＜0.23dB Line output level 2Vrms
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