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GSX 1200 Pro Headset Amplifier For firmware upgrade go to www.sennheiser.com/gaming-downloads Quick Sennheiser Communications A/S Guide Industriparken 27, DK-2750, Denmark www.sennheiser.com Printed in China, Publ. 06/16, A01 For full user guide go to www.sennheiser.com/gaming-downloads Headset Amplifier...
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Connect to a computer dims LEDs light up shortly Activate 7.1 surround sound Change the speaker settings to 7.1 surround sound: see User Guide or online help of your operating system.