Sound Cards
 
USB Audio
 
DAC & Amplifier
 
Microphone
 

Input Terminal Line Input (RCA, 3.5 mm Stereo Mini)
Input Impedance 11k Ω
Output Headphone Output (6.3mm Stereophone, 3.5 Stereo Mini)
Headphone Impedance 16∼600Ω
Rated Output Stereophone 250+250mW@32Ω
Stereo Mini 100+100mW@16Ω
Quad OPAMP Circuit OPA 2134 x 1 (Socket Type) THD+N : 0.00008%(Max)(2kΩ@1KHz)
NJM 4580 x 3 (SMD Type) THD+N : 0.0005%(Max)(2kΩ@1KHz)
Driving Voltage 12V~15V
Power Supply AC adapter (12V~15V), battery pack(7.2V)
Weight 1) about 125g without the battery
2) about 200g with the battery
Charging Time about 3 ~ 4 hrs
Battery Life about 8 hrs
Dimensions(mm) 90 X 90 X 20 (W x D x H)