Thunder:
Natural Wood Stain
• Custom Made (No two are alike)
• Wood or Acrylic Versions
• Thunder Ring – (no more guessing when the sweet spot is)
• Thunder Half Dome Sound Enhancer (included)
• Piezo Technology
• Adjustable Feet
• Requires no batteries
• Thunder Stompboxes have a standard ¼ inch output jack which can be plugged into any Sub Woofer, PA, or EQ that will give you the best bass sounds. Guitar amplifier can also be used by adjusting the tone and volume

Plus: Behringer PREAMP/BOOSTER PB100

Boost the volume and shape the sound of any instrument, or switch to turbo mode when playing solos. You can boost up piezo pickups to match regular amplifier inputs. Dedicated Gain, Bass and Treble controls are included for effortless sound shaping. We’ve included a status LED for effect On/Off and battery check, and you can run your PB100 on a 9 V battery or a DC power supply (not included). For absolutely noise-free operation, a first-class electronic On/Off switch is integrated

· Boost the volume and shape the sound of any instrument
· Switch to turbo-mode when playing solos
· Boost up piezo pickups to match regular amplifier inputs
· Dedicated Gain, Bass and Treble controls for awesome sound shaping
· Status LED for effect on/off and battery check
· Runs on 9 V battery or the BEHRINGER PSU-SB DC power supply (not included)
· First-class electronic On/Off switch for noise-free operation
· High-quality components and exceptionally rugged construction ensure long life
· Conceived and designed by BEHRINGER Germany