Sonifex RB-BL4 – 4 x Stereo Bi-Directional Level Converters
The Sonifex RB-BL4 is a professional-grade audio interface designed to convert four independent stereo pairs between balanced and unbalanced audio formats. Ideal for broadcast, AV, and studio environments, the RB-BL4 allows flexible and simultaneous bi-directional audio level conversion, ensuring seamless integration between professional and consumer-level devices.
Whether you’re routing signal between XLR-based mixers and RCA-connected playback systems, or aligning output levels in a complex broadcast chain, the RB-BL4 delivers clean, reliable conversion with no compromise on audio quality.
✅ Key Features
✅ 4 x Stereo Level Converters – Independently configured for balanced to unbalanced or vice versa
✅ XLR and RCA I/O – Easily integrates with both professional and consumer audio gear
✅ Simultaneous Bi-Directional Operation – Handle multiple conversions in either direction
✅ Passive Design – Transparent signal path with low noise and no active components
✅ Gain Trim Controls – Adjust input/output levels per channel for precise matching
✅ Rackmount 1U Chassis – Durable, broadcast-ready enclosure for studio or OB racks
✅ Engineered in the UK – Built to Sonifex’s trusted standards for professional audio applications
✅ Call to Action
💬 Looking to manage multiple audio level conversions in your setup?
Speak with our broadcast experts today via WhatsApp or email for advice on integrating the Sonifex RB-BL4 into your system.
