The Radial StageBug SB-5 is a compact stereo direct box designed to connect laptop computers, smartphones, tablets, or any mobile device to pro audio equipment and PA systems.

The StageBug SB-5 provides an easy to use professional interface for connecting any mobile playback device to a mixer or PA system, with a built-in cable and 3.5 mm stereo plug to connect directly to your laptop, smartphone, or tablet. Inside, a pair of custom wound transformers isolate the signals to prevent hum and buzz, and balance the audio to feed long cable runs without noise. Left and right 1/4" TRS outputs are provided for stereo operation, or a mono XLR output can be used to save channels on the PA system. The SB-5 works without any power required and features additional ground lift and pad switches to eliminate ground loop noise and prevent distortion from high output audio sources.

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• Stereo direct box for laptops, smartphones, and tablets
• Cable with 3.5 mm stereo plug to connect to mobile devices
• Transformer isolation eliminates hum and buzz
• Plug & play easy to use, no power required
• Compact design fits in your laptop bag

User Guide