Galaxy Audio CM-140 Check Mate SPL Meter

  • Item # 1021456
  • Model # CM-140

The Galaxy Audio CM-140 Check Mate Sound Pressure Level Meter is a small, handheld device that measures the pressure level of sound waves in any acoustic environment. For audio enthusiasts and sound r… Learn More


Reserve Now! This item is backordered but it is available to reserve now. You will not be charged until the item ships.

Ship to Store

2-7 business days

Measure the sonic output of just about anything.

Perfect for home studios or audiophiles. Order now.


  • Electret condenser microphone
  • MAX/MIN function
  • Level range display
  • Frequency weighting: A, C
  • Fast or slow time weighting
  • AC signal output
  • Dynamic range: 50dB
  • Frequency range: 31.5Hz to 8kHz
  • 70 hours battery life
  • Operation Temp.: 0 degrees C-40 degrees C (<80% R.H.)
  • Storage Temp.: -10 degrees C-60 degrees C (<70% R.H.)
  • 9V battery
  • Windscreen