The Logitech G Astro A20 X LIGHTSPEED Wireless Headset offers both LIGHTSPEED, PLAYSYNC AUDIO and LIGHTSYNC RGB at a fraction of the cost of the A50. What are the Differences from the A50 (X)Outside of the price, there are a few big differences between the A20 X and the A50 (X). The A50 X is priced at $399.99 and the A50 is priced at $299.99 and these include a cradle that would charge the headsets. You can argue that is enough to make up that pricing difference as the A20 X retails for $179.99. Closing Comments:The Logitech G Astro A20 X basically does everything the A50 X does on paper, but there are obvious caveats.