Name/model R7 Hardware solution Soc: Snapdragon 660, DAC: ES9068AS, AMP: THX AAA-788+ * 2,
USB: Snapdragon 660
Working mode Android mode/Pure music mode/USB DAC mode/Bluetooth receiving mode/AirPlay mode/COAX mode/OPT mode/Roon Ready
Color Black/White Weight ≈1282g
Dimension About 160x110x134mm(without base)
About 170x110x134mm(with 0° flat base)
About 182.5x110x134mm(with 7° elevation base)
Volume control Knob
Screen 4.97 inches (720 * 1280) full-fit screen Internal storage/Free space (ROM) 64GB/≈46GB
RAM 4GB Gain Ultra high/Super high/High/Medium/Low
Memory card Single SD card expansion, theoretically supports up to 2TB Recommended headphone impedance PO: 16 ~ 150Ω
Channel balance L20~ R20 (0.5dB per level) BAL: 16 ~ 300Ω
Buttons and ports
Button Volume knob (it has button's function)*1
Output selection knob (similar to button's function)*1
USB Type-C (USB3.0) * 1
USB A (USB2.0) * 1 (data transfer)
DC power in port Φ 6.2mm DC socket Toggle switch DC/AC switch
Balanced output ports Standard 4.4mm * 1
4-cores XLR * 1
Phone out port Standard 6.35mm
Balanced line out ports 3-cores XLR * 2 Single-ended line out ports RCA* 2
OPT input port Standard TOSLINK COAX input port RCA
OPT output port Standard TOSLINK COAX output port RCA
Network port 100M Ethernet port    
Features
WiFi 2.4GHz/5GHz, DLNA, AirPlay, WiFi music transmission,Roon Ready etc. Bluetooth Emission (5.0)

AAC/SBC/aptX/aptX HD/LDAC/LHDC

Bluetooth receiving (5.0) SBC/AAC/LDAC FiiO Link WiFi and Bluetooth control for Android, WiFi control for iOS.
MQA 8x decoding All to DSD
Max sampling rates USB DAC: 384kHz/32bit; DSD256 (Native) Bluetooth codec indicator
(knob light)
Blue: SBC
Local decoding: 384kHz/32bit; DSD256 (Native) Cyan: AAC
USB Audio:768kHz/32bit;DSD512(DoP/D2P/Native) Yellow: aptX HD
COAX IN: 192kHz/24bit White: LDAC
OPT IN: 96kHz/24bit Orange: LHDC
COAX OUT: 384kHz/24bit; DSD128 (DOP)  
OPT OUT: 192kHz/24bit  
EQ 10-segment dynamic EQ (±12dB), 8 preset EQ, custom EQ,PEQ supported. Sampling rate indicator
(knob light)
Blue: lossy
Operation modes Support gesture operation, two-button navigation, three-button navigation Cyan: SQ
Screen saver Yellow: HR
Firmware upgrade √ Local upgrade, OTA upgrade Green: DSD
Double-click to wake up Magenta: MQA
Power parameters
Power supply DC 12V/3A OR AC 100-240V~ 50/60Hz  
Audio parameters
Phone out performance parameters (6.35mm, USB DAC/OPT/COAX, Ultra high)
Output power L+R≥1850mW+1850mW (16Ω,THD+N<1%) Output impedance < 0.5Ω
L+R≥1250mW+1250mW (32Ω,THD+N<1%) Crosstalk ≥77dB
L+R≥160mW+160mW (300Ω,THD+N<1%) Peak voltage 18Vp-p
SNR ≥ 124dB (dbA) THD+N < 0.0005% (1kHz / -8dB@32 Ω)
Frequency response 5Hz~ 50kHz: attenuation < 1dB Noise floor < 4uV (dbA)
20Hz~ 20KHz: attenuation < 0.3dB    
Phone out performance parameters (6.35mm, USB DAC/OPT/COAX, Super high)
Output power L+R≥1450mW +1450mW(16Ω,THD+N<1%) Output impedance < 0.4Ω
L+R≥750mW +750mW(32Ω,THD+N<1%) Crosstalk ≥73dB
L+R≥80mW+80mW (300Ω,THD+N<1%) Peak voltage 14Vp-p
SNR ≥ 124dB (dbA) THD+N < 0.0005% (1kHz / -6dB@32 Ω)
Frequency response 20Hz~ 80kHz: attenuation < 1dB Noise floor < 4uV (dbA)
20Hz~ 20KHz: attenuation < 0.3dB    
Line out performance parameters (RCA, USB DAC/OPT/COAX)
THD+N <0.0005%(1kHz/-0dB@10KΩ) SNR ≥ 118.5dB (dbA)
Crosstalk ≥112dB Noise floor < 2.7uV (dbA)
Frequency response 5Hz~ 80kHz: attenuation < 2dB Line out level 2.2Vrms
20Hz~ 20KHz: attenuation < 0.1dB    
Balanced phone out performance parameters (XLR4/4.4mm, USB DAC/OPT/COAX, Ultra high)
Output power L+R≥1000mW+1000mW (16Ω,THD+N<1%) Output impedance < 0.5Ω
L+R≥3650mW+3650mW (32Ω,THD+N<1%) Crosstalk ≥116dB
L+R≥630mW+630mW (300Ω,THD+N<1%) Peak voltage 39Vp-p
SNR ≥ 122dB (dbA) THD+N < 0.0005% (1kHz / -8dB@32 Ω)
Frequency response 20Hz~ 50kHz: attenuation < 2dB Noise floor < 7.5uV (dbA)
20Hz~ 20KHz: attenuation < 0.3dB    
Balanced phone out performance parameters (XLR4/4.4mm, USB DAC/OPT/COAX, Super high)
Output power L+R≥800mW+800mW (16Ω,THD+N<1%) Output impedance < 0.5Ω
L+R≥3000mW +3000mW(32Ω,THD+N<1%) Crosstalk ≥116dB
L+R≥320mW+320mW (300Ω,THD+N<1%) Peak voltage 27.7Vp-p
SNR ≥ 122dB (dbA) THD+N < 0.00048% (1kHz / -6dB@32 Ω)
Frequency response 5Hz~ 80kHz: attenuation < 2dB Noise floor < 7.5uV (dbA)
20Hz~ 20KHz: attenuation < 0.3dB    
Balanced line out performance parameters (XLR3, USB DAC/OPT/COAX)
THD+N <0.0005%(1kHz/0dB@10KΩ) SNR ≥ 125dB (dbA)
Crosstalk ≥121dB Noise floor < 2.5uV (dbA)
Frequency response 20Hz~ 50kHz: attenuation < 2dB Line out level 4.5Vrms
20Hz~ 20KHz: attenuation < 0.1dB    
Audio format support
Lossless: DSD:DSD64/128/256(".iso”,".dsf”,".dff”),DST iSO
DXD:352.8K/24bit
APE FAST/High/Normal:384kHz/24bit(MAX)
APE Extra High:192kHz/24bit(MAX)
APE Insane:96kHz/24bit(MAX)
Apple Lossless:384kHz/32bit(MAX)
AIFF:384kHz/32bit(MAX)
FLAC:384kHz/32bit(MAX)
WAV:384kHz/32bit(MAX)
WMA LOSSLESS:96kHz/24bit(MAX)
DTS: 192kHz/24bit(MAX)
MQA:Full Decoderer
Lossy compression: MP3,OGG,WMA,AAC and other formats

Frequency response curve 2 for UAC decoding 

 

Test conditions: -5dB sine signal, 20Hz-20kHz, BAL PO, UH (32Ω load)

Frequency response curve 3 for UAC decoding

 

Test conditions: -5dB sine signal, 5Hz-80kHz, SE PO, UH (32Ω load)

Frequency response curve 4 for UAC decoding

 

Test conditions: -5dB sine signal, 5Hz-80kHz, BAL PO, UH (32Ω load)

Frequency response curve 5 for UAC decoding

Test conditions: -5dB sine signal, 20Hz-20kHz, LO (10KΩ load)

Frequency response curve 6 for UAC decoding

 

Test conditions: -5dB sine signal, 20Hz-20kHz, BAL LO (10KΩ load)

Frequency response curve  for UAC decoding

Test conditions: -5dB sine signal, 20Hz-20kHz, SE PO, UH (32Ω load) 

Frequency response curve 7 for UAC decoding

 

Test conditions: -5dB sine signal, 5Hz-80kHz, LO (10KΩ load)

Frequency response curve 8 for UAC decoding

 

Test conditions: -5dB sine signal, 5Hz-80kHz, BAL LO (10KΩ load)

THD+N curve for UAC decoding

 

Test conditions: -8dB sine signal, SE PO, UH (32Ω load)

THD+N curve 2 for UAC decoding

 

Test conditions: -8dB sine signal, BAL PO, UH (32Ω load)

THD+N curve 3 for UAC decoding

 

Test conditions: -0dB sine signal, SE LO (10KΩ load)

THD+N curve 4 for UAC decoding

 

Test conditions: -0dB sine signal, BAL LO (10KΩ load)