Surface Transducer - Large

Sparkfun ElectronicsSKU: RB-Spa-1188
Manufacturer #: COM-19102

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Sale price ¥4,288

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  • Surface Transducer - Large
  • Comes with an adhesive magnet
  • Gives awesome power to turn almost any surface
  • Distortion: 5%
  • Diameter: 50 mm
  • Power: Nominal input 10 W

The Surface Transducer - Large gives you the awesome power to turn almost any surface into a speaker. They're essentially just a speaker except instead of a cone, the coil is attached to a pad that conducts the vibration into whatever you press it against. Hook it up to an audio source and press it against the nearest table, wall, or cardboard box.

You can even put it against your head and play music directly into your skull (the ultimate surround sound). This transducer comes with an adhesive magnet that can be attached to the base.

  • 1x Transducer
  • 1x Screw on base
  • 1x Adhesive Magnet


  • Height: 31 mm
  • Diameter: 50 mm
  • Power: Nominal input 10 W | Maximum input 25 W
  • Nominal Impedance: 4Ω ± 15% test at 200 Hz1v
  • Lowest Resonance Frequency: 58 Hz ± 20% ( at 1.0 V)
  • Output Sound Pressure Level: 85 ± 3 dB(100, 400, 800, 12000 Hz medium value at 1m 10w)
  • Distortion: 5% less at 5 W 1000 Hz
  • Weight: 233.7 g

Customer Reviews

Based on 1 review
Works well

This transducer works between 120Hz to approx 15,500 Hz

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