4O3A Signature is sponsor of the WWA January 2026 edition and provides prizes for the first-place winners in each Activator category. 4O3A designs and manufactures premium LAN/TCP-IP controlled accessories for amateur radio stations, built by contesters for maximum efficiency and reliability. The Genius ecosystem automates switching, tuning and power, while products like the NC-1 contest headset deliver comfort and audio performance.

The prize for activators: Headset NC1
Activators who place first in the MIXED, SSB, CW, DIGI, and Multi categories will win a 4O3A NC-1, a top-of-the-line headset designed primarily for contesting. The NC-1 are light, comfortable and have amazing audio reproduction, making contesting a truly enjoyable experience.
- Designed for Contesting
- External and Internal Microphone
- Amazing Noise Canceling
- Crystal Clear Sound
- Bluetooth 5.0
- Long Battery Life
- Slick Design
Discover all NC-1 features