What`s the different between G4000 G2000? G4000 is the smallest size and the sound not good as G2000 . G4000 and G2000 suit for PC computer. These 2 models headphones need splitter so it`s could use in mobile and tablet,ps4. PS4 Setting: 1. Before apply the headset on your PS4, please test it with your cellphone to ensure it function well. 2. Insert the headset own 3.5mm jack plug into the Gamepad, then long press the PS button or enter the system Settings. 3. There is a peripheral machines, choose "Adjust Sound and Devices", "output to the headphones", then change it to "all audio".