Radial StageBug SB-2 – Compact Passive DI Box for Live Sound
The Radial StageBug SB-2 is a compact, passive direct injection box designed for live sound applications. It provides a simple, reliable solution for connecting instruments and line-level sources to mixing consoles and PA systems.
Passive operation requires no power supply, eliminating battery or phantom power dependencies
Compact form factor fits easily into any gig bag or pedalboard
Transformers isolate the signal path, reducing hum and noise interference
24-month manufacturer warranty provides long-term reliability for touring and rehearsal use
What sets the StageBug SB-2 apart
Unlike active DI boxes, the SB-2 operates entirely without external power, making it a fail-safe choice for live stages where power outlets are limited. Its all-metal construction and compact footprint are built for the demands of regular touring and live performance.
Ideal for...
Musicians and sound engineers who need a dependable, no-fuss direct box for instruments, keyboards, or line-level sources on the live stage. Particularly suited for acoustic guitarists, bass players, and keyboardists who travel frequently and require a lightweight, passive solution that simply works.
Application of the Radial StageBug SB-2
Connect the instrument or line-level source to the input jack
Run a balanced XLR cable from the output to the mixing console or PA system
Use the ground lift switch to eliminate hum and buzz caused by ground loops
Place the unit on stage or in the rack — no power cables or adapters needed
Radial is a Canadian manufacturer specializing in professional audio equipment for live sound, recording, and broadcast applications. The company is known for its robust, road-worthy designs that address common signal-routing challenges. Radial products are distributed internationally and widely used by touring musicians and sound engineers.
The SB-2 is a passive direct injection box that connects instruments and line-level sources to mixing consoles and PA systems in live sound environments.
No. The StageBug SB-2 is fully passive and operates without any external power source, batteries, or phantom power.
Passive operation, all-metal construction, compact form factor, transformer signal isolation, and a weight of 0.318 kg.
The Radial StageBug SB-2 unit. A mounting bracket or carrying case may be available as a separate accessory.
Yes, Radial provides a 24-month manufacturer warranty on the StageBug SB-2 for parts and labour.
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