| Feature | Razer Surround Pro 1.18 | THX Spatial Audio (Synapse 4) | | :--- | :--- | :--- | | | Free (if you had old key) / $19.99 originally | Included with new Razer headsets | | Supported OS | Windows 7, 8, Early 10 | Windows 10, 11, Mac | | Latency | Very low (~10ms) | Ultra-low (~5ms) | | EQ Customization | 10-band graphic | 10-band parametric + post-effects | | Game Profiles | Manual only | Automatic per-game switching | | Stability (2026) | Poor (requires workarounds) | Excellent |
If you find an old installer in a dusty backup folder, cherish it. But for everyone else, it is time to let go of the past. Upgrade to a modern Razer headset with THX, or explore free alternatives like or Dolby Access . The ghost of Razer Surround Pro 1.18 will live on in YouTube tutorials and Reddit archives, but its time on the desktop is over. Razer Surround Pro 1.18
But today, the search for reveals a specific chapter in that history. Version 1.18 is not the latest shiny UI from Razer Synapse 3 or Synapse 4; it is a relic—and for some users, a treasure. | Feature | Razer Surround Pro 1