GSP 670 from EPOS | Ultimate audio, ultimate performance, ultimate game
GSP 670 Black Wireless Gaming Headset | GameStop
EPOS SENNHEISER GSX 300 External USB Sound Card 7.1 Sound Channels External USB 2.0 3 Byte 96 kHz Maximum Playback Sampling Rate 1 x Number of Microphone Ports 1 x Number of Headphone Ports - Office Depot
Amazon.com: EPOS | Sennheiser GSX 1000 Gaming Audio Amplifier / External Sound Card, with 7.1 Surround Sound, Side Tone, Gaming DAC and EQ, Headphone amp Compatible with Windows, Mac, Laptops and Desktops. : Electronics