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Your old microphones are worth far more than you think

Refresh your testing stock of microphones and trade in any of your old microphones to get great deals on new ones. 

Which microphones can be traded in?

This offer is not limited to Brüel & Kjær microphones. Any standard measurement microphone can be traded in. It doesn’t matter if it works or not.

What can I trade them in for?

You can trade your old microphones for any new microphone in the same category: 

  • Microphone cartridge
  • Microphone combo
  • Surface microphone
  • Array microphone

How do I trade them in?

Simply fill out the form below or contact your local Brüel & Kjær sales representative and let them know which microphones you want to trade in, and they’ll help you from there.

See our full range of acoustic transducers


This offer has no cash alternative. This offer cannot be used in conjunction with any other offer. This offer is not valid for customized microphones. Old equipment must be returned to Brüel & Kjær within 30 days. Brüel & Kjær may withdraw or suspend this offer at any time without notice. The trade-in offer only applies when the customer agrees to trade in a microphone as per offer criteria. For those cases where the unit is not presented, we will charge the full price for that item. For more information on this trade-in offer, including full discount criteria, please contact your local Brüel & Kjær sales office.

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