Frequency Response Curve 1
Test conditions: Local playback, -5dB ,0dB sinusoidal signal ,20Hz-20kHz, PO (32Ω load)
Blue: Left channel; Red: Right channel

General Specifications
General Specifications
Name/Model DISC Hardware solution SoC: X2000, DAC: CS43131*2
Working mode Pure Music mode/USB DAC mode/USB AUDIO/Storage mode
Color Black/Blue/Pink Weight About 77.2g
Dimensions About 68x68x12.9mm Volume control Button control
Display 1.8-inch LCD (360x360) full-laminated display Recommended headphone impedance PO: 8~150Ω
Memory card Supports up to 2TB single MicroSD card storage BAL: 8~150Ω
Channel balance L20~R20 (0.5dB for each level)    
Buttons and Ports
Buttons Power button*1, Volume button*2, Play/Pause button*1 USB Type-C USB2.0*1 (Charging/Data transfer)
Headphone output Standard 3.5mm port Balanced headphone output Standard 4.4mm port
Coaxial output Standard 3.5mm port (shared PO)    
Special Functions
WiFi 2.4GHz/AirPlay Bluetooth transmission AAC/SBC/LDAC
EQ adjustment 10 Preset EQs Operation Supports gesture control
Maximum sampling rates USB DAC: Supports up to 384kHz/32bit Power-off timers Supports idle poweroff/sleep
Local DAC: Supports up to 384kHz/32bit; DSD128 Firmware update Local upgrade/OTA push upgrade
USB Audio: 384kHz/32bit Cover resolution Embedded cover: BMP 1024*1024; JPG 3800*3800; PNG 1024*1024
External cover: BMP 512*512; JPG 3800*3800; PNG 512*512
Cover image size≤1.35M
Coaxial output: Supports up to 192kHz/24bit; DSD64 (DOP)
Power Supply Parameters
Power supply 5V/≥2A Charging time About 1.5h
Battery life and test conditions:
3.5mm headphone output: 12h
Volume level 52 Gain High gain
Display status OFF Playback track and format MP3 44kHz/16bit
EQ OFF Load 32Ω
4.4mm balanced output: 12h
Volume level 40 Gain High gain
Display status OFF Playback track and format MP3 44kHz/16bit
EQ OFF Load 32Ω
Audio Parameters
Performance and parameters of headphone output (3.5mm output, USB DAC, High gain)
Output power L+R≥135mW+135mW (16Ω, THD+N<1%, 1.5Vrms) Output impedance <0.4Ω (32Ω)
L+R≥125mW+125mW (32Ω, THD+N<1%, , 2.0Vrms) Crosstalk ≥73dB
L+R≥15mW+15mW (300Ω, THD+N<1%, 2.0Vrms) Peak output voltage 5.8Vp-p
SNR ≥117dB (A-weighted) THD+N <0.0008% (1kHz/-6dB@32Ω)
Frequency response 20Hz~80kHz: attenuation<2.4dB Noise floor <2.9uV (A-weighted)
20Hz~20KHz: attenuation<0.1dB Dynamic range ≥117dB (A-weighted)
Performance and parameters of headphone output (3.5mm output, USB DAC, Low gain)
Output power L+R≥60mW+60mW (16Ω, THD+N<1%, 1.0Vrms) Output impedance <0.4Ω (32Ω)
L+R≥30mW+30mW (32Ω, THD+N<1%, 1.0Vrms) Crosstalk ≥73dB
L+R≥5mW+5mW (300Ω, THD+N<1%, 1.0Vrms) Peak output voltage 2.9Vp-p
SNR ≥111dB (A-weighted) THD+N <0.001% (1kHz/-2dB@32Ω)
Frequency response 20Hz~80kHz: attenuation<2.4dB Noise floor <2.9uV (A-weighted)
20Hz~20KHz: attenuation<0.1dB Dynamic range ≥111dB (A-weighted)
Performance and parameters of balanced headphone output (4.4mm output, USB DAC, High gain)
Output power L+R≥145mW+145mW (16Ω, THD+N<1%, 1.5Vrms) Output impedance <0.5Ω (32Ω)
L+R≥280mW+280mW (32Ω, THD+N<1%, 3.0Vrms) Crosstalk ≥123dB
L+R≥55mW+55mW (300Ω, THD+N<1%, 4.0Vrms) Peak output voltage 11.5Vp-p
SNR ≥129dB (A-weighted) THD+N <0.0004% (1kHz/-8dB@32Ω)
Frequency response 20Hz~80kHz: attenuation<2.4dB Noise floor <1uV (A-weighted)
20Hz~20KHz: attenuation<0.1dB Dynamic range ≥129dB (A-weighted)
Performance and parameters of balanced headphone output (4.4mm output, USB DAC, Low gain)
Output power L+R≥145mW+145mW (16Ω, THD+N<1%, 1.5Vrms) Output impedance <0.4Ω (32Ω)
L+R≥125mW+125mW (32Ω, THD+N<1%, 2.0Vrms) Crosstalk ≥121dB
L+R≥15mW+15mW (300Ω, THD+N<1%, 2.0Vrms) Peak output voltage 5.8Vp-p
SNR ≥126dB (A-weighted) THD+N <0.0005% (1kHz/-8dB@32Ω)
Frequency response 20Hz~80kHz: attenuation<2.4dB Noise floor <1uV (A-weighted)
20Hz~20KHz: attenuation<0.1dB Dynamic range ≥126dB (A-weighted)
Audio format supported
Lossless compression DSD: DSD 64/128 (dsf, dff)
ISO: DSD64
APE FAST/High/Normal: 384KHz/24bit (MAX)
APE Extra High: 192KHz/24bit (MAX)
Apple Lossless: 384KHz/32bit (MAX)
AIFF: 384KHz/32bit (MAX)
FLAC: 384KHz/32bit (MAX)
WAV: 384KHz/32bit (MAX)
WMA Lossless: 192KHz/24bit (MAX)
Lossy compression MP3, OGG, WMA, AAC, etc.