Whirlwind QBox Tester

4 in stock

The Qbox is the all-in-one audio line tester ideal for applications such as live sound, maintenance, installation work - anywhere audio runs down a cable. The Qbox includes a microphone, a speaker, a test tone generator, outputs for standard headphones, a 1/4" jack for line-in or a 2k Ohm (telephone) earpiece out. A handy clip attaches the Qbox to your belt or equipment rack.


  • Internal speaker for monitoring signal
  • Voltage LED indicators to sense phantom or intercom power
  • Attenuator switch - 0db, 20db, 40db
  • 1/4" TRS headphone jack for monitoring
  • Internal condensor microphone
  • Internal tone generator
  • Powered by a 9v battery (not included)