Sonifex RB-OA3 3-Studio On-Air Switcher
The Sonifex RB-OA3 3-Studio On-Air Switcher makes it easy for multiple studios to stay connected and keep a broadcast flowing without interruption. Whether it’s live DJs, talk shows, or music automation, this unit ensures the airwaves never go silent. Compact and reliable, it gives you smooth control and confidence that your station will always sound professional.
Sonifex RB-OA3 3-Studio On-Air Switcher Review
Built for modern radio networks, the Sonifex RB-OA3 3-Studio On-Air Switcher handles switching between three studios with ease. Each studio can take control of the broadcast or hand it off seamlessly to another, making transitions simple and polished. With a “sustain” mode for automation systems and the ability to expand up to five studios, it offers serious flexibility. Using relay-based switching, it even keeps the signal path intact during a power loss, making it a dependable choice for any station that values stability and quality.
Sonifex RB-OA3 3-Studio On-Air Switcher Features
- Lets three studios share and control the same broadcast
- Keeps the signal steady even during power outages
- Works with playout or automation systems for hands-free control
- Easy expansion to add more studios when needed
- Compact rack design that saves space in your setup
Sonifex RB-OA3 3-Studio On-Air Switcher Specs
- Dimensions 19 in W x 6.2 in D x 1.7 in H (1U rack size)
- Weight 4.2 lbs
- Input power 110-120V or 220-240V switchable, 9W maximum
- Studio connections 25-way D type sockets for balanced audio
- Control connections 15-way D type sockets for external control units
- Serial expansion with RJ45 ports for linking multiple units



