Logitech G933 Artemis Spectrum Wireless Headphones (50% off) - US $113.32 (~AU $157) Delivered @ Amazon

Best price I could find. Did some research and its one of the best gaming headsets around.

Logitech G933 Artemis Spectrum RGB 7.1 Surround Sound Gaming Headset, Wireless Headphones and Microphone

• Pro-G audio & 7.1 Dolby Surround Sound
• Adjustable lighting up to 16.8 million colors
• Flexible wireless or wired connection up to 12-hours battery life
• Foldaway noise-cancelling mic
• Programmable G-keys: Assign custom commands using Logitech Gaming Software on the three programmable G-keys for a seamless gaming and media experience. Set custom controls to control your audio profiles, skip to the next song, activate push-to-talk communication, trigger instant in-game command combinations, and more
• Soft and Breathable Materials: Designed for long gaming sessions. New sports mesh materials used in the ear cups and headband are soft and breathable for maximum comfort. Over-the-ear ear cups on G933 Artemis Spectrum are designed to fit around most ears without applying pressure on soft tissues. To keep your headset clean, the ear cups can be removed from the headset and washed