Digital Smart Alarms IP57 compliant microphone RoHS certified piezos RoHS certified piezos

Digital Alarms

Smart-Control Alert™

  • Pulsating Alarms
  • Multi Tone Alarms
  • Custom Fitted Alarms
  • Controlled Alarms

The new line of SMART-CONTROL-ALERT™ utilizes Microcontrollers Technology which replaces the aging Analog Technology. The new generation Smart Alarm provides many benefits to the OEM customers, including but not limited to:

Analog Alarms

Panel Mount

  • Single Tone Alarms
  • Dual Tone Alarms
  • Specialty Alarms

Challenge Electronics is a global supplier of industrial grade, panel mount piezoelectric alarms and audible devices. In addition to choosing from a complete line of standard features, device characteristics can be customized for your application. We also provide value-added services to streamline your manufacturing capabilities.


  • Reliable Solid State Piezoelectric Technology
  • Extended storage temperature
  • Flame Retardant Plastic
  • Corrosion resistant Stainless Steel Diaphragm
  • Hermetically Sealed Alarm
  • Withstands salt spray per ASTM B117
  • Water Proof and Dust Exposure, per IP-68 & NEMA 3R, 4X, and 12, with Gasket (not supplied) any case A, B, or K
  • RoHS Compliance
  • REACH Compliance
  • ISO 9001 Certified


  • Agriculture
  • Appliances
  • Automotive
  • Communication
  • Construction Equipment
  • Electronics Equipment
  • Emergency Equipment and Vehicles
  • Gaming and Sport
  • Fitness and Health Equipment
  • Industrial Controls
  • Marine
  • Medical Instruments
  • Power Equipment
  • Security
  • Tools
  • Toys
  • Utility Vehicles