When it comes to gaming audio, most people are content to either run a gaming headset through their motherboard's in-built DAC, or use the headset's own DAC if it connects via USB. Sennheiser is looking to change that with its GSX series of dedicated gaming amplifiers. We have already looked at the GSX 1000, and it walked away with our ?worth buying? award. Today we look at the GSX 1200 Pro ? specifically designed for competitive eSports gamers.