Randius
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The trial batch (less than 100 units) of the HM-603 is now available for purchase from the official China website (in Chinese). It is built on the basis of HM-602 with improved power supply and amplifier. The production batch is scheduled to be released in June.
DAC:TDA1543
LPF OpAmp:OP275, OPA2604
Amplifier OpAmp: LT1057
Frequency Range: 20-20K Hz
Distortion: 0.09%
S/N:98 DB
Stereo CrossTalk:74DB(Line Out)
Output Level: 35Ohm 2.7V; 150Ohm 3.2V; 300Ohm 3.3V
Max Output:190mw
Dimension: Width 62mm, Length 103mm, Thickness 26.5mm
Internal Memory:16GB
Battery Life:10 to 13hours
DAC:TDA1543
LPF OpAmp:OP275, OPA2604
Amplifier OpAmp: LT1057
Frequency Range: 20-20K Hz
Distortion: 0.09%
S/N:98 DB
Stereo CrossTalk:74DB(Line Out)
Output Level: 35Ohm 2.7V; 150Ohm 3.2V; 300Ohm 3.3V
Max Output:190mw
Dimension: Width 62mm, Length 103mm, Thickness 26.5mm
Internal Memory:16GB
Battery Life:10 to 13hours