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Radial StageBug SB-4 Piezo Active Direct Box

  • Regular price $124.74
  • 3 available

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Brand: Radial

Sku: WBMUSB00EIS6VX0

UPC: 676101040667

At Emusicmart, we are committed to delivering your music gear and electronics quickly and safely. Every order is carefully packed and shipped with insurance for added protection.

Processing & Delivery Time

  • Order Processing: Orders are processed within 1–3 business days (Monday–Friday, excluding holidays).
  • Delivery Time (U.S. only): Standard delivery typically takes 3–5 business days after dispatch.
  • Please note: Delivery times are estimates only and may vary depending on your location, weather conditions, carrier delays, or other factors beyond our control.

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  • We currently ship only within the United States.

Shipping Costs

  • We are pleased to offer free standard shipping on all U.S. orders.
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Order Tracking

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For details on returns and refunds, please see our Return & Refund Policy.
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Radial StageBug SB-4 Piezo Active Direct Box

$124.74

Frequently Asked Questions

  • Q: What is the Radial StageBug SB-4 used for? A: The Radial StageBug SB-4 is an active direct box designed for piezo pickups, allowing instruments like acoustic guitars, violins, and upright basses to connect to PA systems or amplifiers with improved sound quality.
  • Q: How does the high impedance of the SB-4 benefit my instrument? A: The SB-4 features a high 5MΩ impedance which enhances frequency response and delivers a more natural sound, minimizing the quack and peakiness often found with piezo pickups.
  • Q: Does the SB-4 require any special power source? A: Yes, the Radial StageBug SB-4 is powered by phantom power, typically supplied through the XLR cable connected to a mixer or audio interface.
  • Q: What are the main features of the Radial StageBug SB-4? A: Key features include a 1-channel active direct box, a 1/4-inch aux output, a high-pass filter (HPF) switch to cut unwanted low frequencies, and a polarity switch to help reduce feedback.
  • Q: Can I use the SB-4 with any type of instrument? A: While the SB-4 is optimized for piezo-equipped instruments, it can also be used with other electric instruments, but the best results are achieved with piezo pickups.
  • Q: What is the maximum distance I can run the signal from the SB-4? A: The SB-4 can deliver audio over 300 feet without loss of signal quality, making it suitable for large venues and stages.
  • Q: Is the Radial StageBug SB-4 compatible with all PA systems? A: Yes, the SB-4 is compatible with most PA systems, as it features a standard XLR output for connecting to various audio equipment.
  • Q: How do I connect my instrument to the SB-4? A: Connect your instrument to the 1/4-inch input on the SB-4, then use the XLR output to connect to your PA system or audio interface.
  • Q: What kind of maintenance does the SB-4 require? A: The SB-4 generally requires minimal maintenance; however, it's advisable to keep it clean and store it in a dry place when not in use.
  • Q: Can I use the aux output for a stage monitor? A: Yes, the 1/4-inch aux output can be used to feed a stage amp or monitor, allowing for versatile live performance setups.