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USB DAC/Amplifier 5.1 specifications
Chipset:
C-Media CM106
(USB 2.0)
Signal/noise ratio:
>- 80dB
Selection:
>-60dB
Distortion:
< 0.5%
Frequency range front,rear,center:
20-20kHz
Frequency range subwoofer:
20-120Hz

Headphone specifications
Power:
500mW
Front speakers diameter:
40 mm
Front impedance:
64 Ohms
Front Frequency range:
20-20kHz
Rear/Center speakers diameter:
30 mm
Rear/Center impedance:
32 Ohms
Rear/Center frequency range:
20-20kHz
Sub speaker diameter:
30 mm
Sub impedance:
8 Ohms
Sub frequency range:
20-120 Hz

Microphone specifications
Type:
Electret capuse 9,7mm Omnidirectional
Impedance:
2200 Ohms +/- 15%
Sensitivity:
60dB +/- 2 dB
Frequency range:
30 - 16kHz