ResoNix Recommended Tuning & Measurement Kit
This is our go-to measurement bundle at ResoNix, built specifically for accurate DSP tuning, acoustic measurement, and system calibration while following our ResoNix DSP Tuning Tracks & Guide. It includes the two pieces of gear we trust every day: the Earthworks M23 G2 precision measurement mic and the Focusrite Scarlet 2i2 USB measurement interface. You also get a free 6-foot XLR cable to connect them directly—no guesswork or missing links.
You can find the Earthworks M23 G2 90 Degree Calibration file here.
The Earthworks M23 G2 is one of the most trusted reference microphones in the audio world, with flat frequency response from 5 Hz to 23 kHz and max SPL handling of 140 dB at full phantom power. Each one is individually calibrated and built from stainless steel with an IP54 rating.
The Focusrite Scarlett 2i2 is a compact USB audio interface widely used for measurement and general audio tasks, offering two high-quality mic or line inputs with phantom power and low-noise preamps. It connects easily to Windows and macOS systems and provides reliable, predictable performance for signal capture and playback during tuning and measurement work.
This is the exact kit we use for tuning work at ResoNix, and it’s the one we recommend to anyone serious about doing clean, reliable measurement and analysis.
What’s Included
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Earthworks M23 G2 Measurement Microphone
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Focusrite Scarlet 2i2 4th Generation Interface
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Free 6-Foot XLR Cable (connects M23 G2 to AMI)
