thats not but a pair of 2 RCA cables can only make 2 channels.
Lets pay attention boy and girls:
Specifications
      Headset    
Front Channel Speakers   1 little speaker        30mm diameter speakers with neodymium magnet                
        Angled design for better 3D audio perception
        Speaker Frequency Response: 20Hz - 20kHz, >120dB SPL+3dB/mW
        Cable length: 12 ft. (3.7m)     
Surround Channel Speakers  2 little speaker        30mm diameter speakers with neodymium magnet
        Angled design for better 3D audio perception
        Speaker Frequency Response: 20Hz - 20kHz, >120dB SPL+3dB/mW    
Center Channel Speakers  3 little speaker        30mm diameter speakers with neodymium magnet
        Speaker Frequency Response: 80Hz - 16kHz, >110dB SPL+3dB/mW    
Subwoofer Channel Speakers  4 little speaker
        40mm diameter with high-impact magneto-resonant vibration coil
        Speaker Frequency Response:20Hz - 500Hz
        Condenser Microphone Frequency Response: 50Hz - 15kHz
        Weight: 13.6 Oz (380g)
      Surround Sound Amplifier       
 Includes 6 independent amplifiers        Frequency response Sub Channel: 20Hz - 200Hz
        Frequency response (Front, Surround and Center channels): 20Hz - 20kHz
        Amplifier power (all 8 channels): >100mW rms @ THD <1%        
3.5mm stereo line input jacks x 3 (Front, Surround, Center/Sub)        3.5mm microphone jack
        Maximum analog input level with volume control on maximum setting: 2Vpp (700mV rms)
        2.5mm XBOX 360 controller input jack
        Quick disconnect for easily removing the headset from the amplifier
        Dimensions: Height 0.8 in (2.0cm), Width 3.9 in (9.8cm), Depth 1.5 in (3.9cm)
        Weight: 4 oz.(120g)
Reading really is a useful skill..................
NOT