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Radial StageBug SB-5 1-channel Passive Laptop Direct Box

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R2,795.00 R2,895.00
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Stereo Direct Box Optimized for Consumer Device Audio
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A DI for Computer Audio Output

Need to pump the audio output of your laptop through the PA, cleanly? The Radial StageBug SB-5 is the perfect solution. This compact passive DI takes an unbalanced stereo signal and routes it through a pair of custom-wound transformers, delivering a fully balanced output capable of cable runs up to 300 feet. These transformers also isolate your source device—such as a computer—from the PA system to eliminate buzz and hum caused by ground loops. A convenient ground-lift switch is included as well.

Flexible I/O to Handle Any Scenario

The SB-5 features a permanently attached 5-foot 1/8" stereo TRS input cable for quick computer or mobile device connection. Outputs include two 1/4" TRS jacks for stereo operation or a mono-summing XLR output. A built-in -15dB pad lets you tame hot signals with ease. Whether you're an AV technician or a touring musician relying on a laptop, the Radial StageBug SB-5 is an essential tool for clean, reliable audio.

What Radial Says...

The Radial StageBug SB-5 is a compact and portable stereo direct box designed for laptop computers, tablets, smartphones, and other consumer audio devices that need clean, noise-free connection to a PA system.

  • Stereo direct box for laptops, smartphones, and tablets
  • Built-in cable with 3.5mm stereo plug for mobile devices
  • Transformer isolation eliminates hum and buzz
  • Plug & play operation with no power required
  • Compact design fits easily in a laptop or gig bag

The Easy Way to Connect to the PA

The StageBug SB-5 provides a simple, professional interface for sending audio from any mobile playback device to a mixer or PA system. Its built-in cable with a 3.5mm stereo plug connects directly to your laptop, tablet, or smartphone, while custom-wound transformers isolate the signal to eliminate buzz, hum, and noise. The SB-5 offers left and right 1/4" TRS outputs for stereo operation, plus a mono-summing XLR output to conserve mixer channels. No power is required, and the unit includes ground lift and pad switches to combat ground loop noise and prevent distortion from hot audio signals.

Using the SB-5 with a Computer

Connect the headphone output of your computer directly to the StageBug SB-5 for consistently clean and quiet audio performance. The built-in sidewinder cable cleat keeps the cable tidy and secure when not in use.

Using the SB-5 with a Tablet

The SB-5 is an ideal DI solution for tablets when portability is essential. Simply connect your iPad, Galaxy Tab, or similar device using the integrated 3.5mm cable and route the signal in mono via the XLR output when needed.

Using the SB-5 with an iPhone

Whether you're playing backing tracks or running music between sets, the SB-5 makes it easy to send a balanced stereo signal from your iPhone to the PA. Just connect from the headphone output into the SB-5 and enjoy clean, reliable audio.

          Customer Reviews

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          Radial StageBug SB-5 Direct Box Features:

          • Stereo direct box optimized for consumer device audio
          • Ideal for computers, tablets, and other mobile devices
          • Permanently attached 5' input cable with 1/8" stereo TRS
          • Sidewinder cleat allows convenient cable storage
          • Two 1/4" TRS output jacks for stereo operation
          • XLR output automatically sums the signal to mono
          • Custom-wound transformers balance the signal for long cable runs up to 300'
          • Transformer isolation eliminates buzz and hum caused by ground loops
          • 15dB pad reduces overly hot input signals
          • Passive DI design — requires no power

            Type
            Passive Direct Box
            Channels
            Stereo
            Pads
            -15dB
            Ground Lift
            Yes
            Inputs
            Hardwired 1/8"
            Outputs
            1 x XLR (mono), 2 x 1/4" (stereo)
            Height
            1.35"
            Width
            1.85"
            Depth
            4.5"
            Weight
            0.55 lbs.
            Manufacturer Part Number
            R800 0150 UPC: 676101040674