USB connectors with 2 sound channels to achieve the solution of virtual 7.1 sound channel and provide virtual but real 3D surrounded sound of 7.1 channel

Connected by USB connector, no need to connect power and do not worry about different security stipulation in different area
Directly insert into PC (do not need any driving software if above Win98), good compatibility
Digital sound transmission to meet the sound requirement of new generation's multi-media
SNR exceed +100dB, extreme low noise, ensure to obtain the sound transmission with high quality
Equipped with adjustable equalizer to remedy the traditional speaker's shortcoming
Softer cable, both inside and outside are all shielded to resist the electromagnetic interferer and improve the transmission speed
Support the sound result of increasing 20dB to increase the output sound from speaker
Support the sound result of increasing 20dB to increase the input sound from microphone

Speaker specification
Diameter: 40mm
Sensitivity: 115dB +/- 3dB
Resistance: 32 ohms +/- 10%
Frequence response: 20-20000Hz
Microphone specification
Type: 6 x 5mm
Sensitivity: -58 +/- 2dB
Wire length: 2300 +/- 50mm
Connector: standard USB connector