Description
When you’re tuning a PA system or verifying room acoustics, the numbers are only as good as the microphone collecting them. The Earthworks M23 is built specifically for that job: an omnidirectional small-diaphragm condenser with a ruler-flat frequency response extending out to 23kHz, giving you a true, uncolored picture of what’s actually happening in the air.
For system techs and installers, this matched pair means you can run dual-mic comparisons or multi-point coverage checks with confidence that any differences you see in your measurement software reflect real acoustic variance—not mic-to-mic inconsistency. That’s essential when you’re chasing down coverage gaps, verifying SPL consistency across a venue, or troubleshooting phase and time-alignment issues in a larger rig.
The M23’s omnidirectional pickup pattern and free-field accuracy make it a go-to for:
- Room acoustics analysis and correction
- Sound system calibration and troubleshooting on-site
- Loudspeaker design, R&D, and quality control
- Any application demanding a genuinely accurate free-field measurement mic
Whether you’re a systems engineer commissioning a new install, a touring tech dialing in a rig before doors, or a loudspeaker manufacturer validating a build, the M23 pair gives you the measurement integrity to trust your EQ curves, your alignment settings, and your final sign-off.






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