DA1 Singal End Digital Audio Converter

MINI-DAC EARPHONE AMPLIFIER Instruction
 
Earphone amplify output
 
1、This device supports Universal Serial Bus (USB) input convert to analogous output.
A、Support Windows operation system
B、Support Mclntosh operation system
C、Support Android operation system
D、Support Apple IOS operation system
 
2、Device support amplified earphone output
 
A, Including 2.5mm balanced output
B, Including 3.5mm unbalanced output
 
3、Device supporting format :
 
MP3/WMA/APE/FLAC/WAV/DSD
 
Improve sound quality
 
1、HI-FI grade Digital Audio Converter
2、Mini amplify chips boost up the output power
3、Plug and play design
4、Upgradable firmware
 
TECHNICAL DATA：
 
OPERATION VOLTAGE（VBUS）：DC4.7~5.3V
 
OPERATION CURRENT：
 
IDLE 43mA，PLAYBACK200mA@Fs=768KHz,20mW@RL=32R, SINGAL END
 
OUTPUT LEVEL（0dB）:
 
2Vrms@RL=600R,SINGAL END；4Vrms@RL=600R BALANCE，
 
FREQUENCY  RESPONSE：（20H~20KHz），SINGAL：+0.05，-0.3dB
 
NOISE LEVEL（NON LOADING）：4.5uV（SINGAL END）；8.1uV(BALANCED)
 
SIGNAL NOSIE（SNR）：117dBA
 
DISTORTION & NOSIE（THD+N）：
 
-103dB@RL=600R,0dB;-105dB@RL=32R,100mW;SINGAL END
-110dB@RL=600R,0dB;-105dB@RL=32R,100mW; BALANCED
 
MAXIMUM OUTPUT POWER：
 
100mW@RL=32R SINGAL END，180mW=32R BALANCED，50mW,300R BALANCE