--- product_id: 340258254 title: "M23 Omnidirectional High Definition Measurement Microphone, 9Hz-23kHz Frequency Response, 100 Ohms Output Impedance" brand: "earthworks" price: "฿71604" currency: THB in_stock: false reviews_count: 4 category: "Earthworks" url: https://www.desertcart.co.th/products/340258254-m23-omnidirectional-high-definition-measurement-microphone-9hz-23khz-frequency-response store_origin: TH region: Thailand --- # 23 kHz ultra-wide frequency response Includes individual calibration chart & files Omnidirectional polar pattern for 360° accuracy M23 Omnidirectional High Definition Measurement Microphone, 9Hz-23kHz Frequency Response, 100 Ohms Output Impedance **Brand:** earthworks **Price:** ฿71604 **Availability:** ❌ Out of Stock ## Summary > 🎙️ Measure Like a Pro, Hear Like a Legend ## Quick Answers - **What is this?** M23 Omnidirectional High Definition Measurement Microphone, 9Hz-23kHz Frequency Response, 100 Ohms Output Impedance by earthworks - **How much does it cost?** ฿71604 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/340258254-m23-omnidirectional-high-definition-measurement-microphone-9hz-23khz-frequency-response) ## Best For - earthworks enthusiasts ## Why This Product - Trusted earthworks brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **360° Sound Capture:** Omnidirectional design ensures every nuance of your acoustic environment is captured flawlessly. - • **Precision Beyond Limits:** Experience crystal-clear, flat frequency response from 9Hz to 23kHz for unmatched measurement accuracy. - • **Plug & Calibrate Confidence:** Each mic ships with a hand-signed calibration chart and downloadable files for zero-hassle setup. - • **Trusted by Pros, Loved by You:** Industry-standard for SMAART, MLSSA, and more—join the elite circle of audio experts who demand the best. - • **Built to Perform, Built to Last:** Robust nickel finish and stable performance across temperature and atmospheric changes keep your measurements reliable. ## Overview The Earthworks M23 is a professional-grade omnidirectional measurement microphone with a 9Hz-23kHz frequency response and 100 Ohms output impedance. Designed for precise acoustic measurements, it delivers ultra-flat frequency response and fast impulse performance with minimal handling noise. Each unit includes a unique calibration chart and electronic files, ensuring accurate, hassle-free setup. Ideal for sound system tuning, room acoustics, and advanced audio analysis, the M23 meets ANSI Type 1 and IEC 61094 standards, making it the trusted choice for audio professionals worldwide. ## Description Earthworks M23 23 kHz Omnidirectional Measurement Microphone The M Series has become the accepted standard for affordable, reliable reference and measurement microphones that are accurate in the time domain and frequency response. They are remarkably stable with respect to temperature and atmospheric conditions and are optimized for clean, very fast impulse performance providing accurate wideband response with virtually no handling noise. Cost effective measurement microphone Improved version of the SMAARTMIC previously offered by EAW Ideally suited for acoustical measurements sound system setup and troubleshooting, room acoustics, or any application where an accurate free-field measurement microphone is required Omnidirectional polar pattern Flat frequency response, fast impulse response and exceptional polar characteristics Used by SMAART, MLSSA, Spectrafoo, TEF and RTA in addition to acoustic measurement systems manufactured by dbx, DEQX and others Meets or exceeds ANSI Type 1 and applicable IEC 61094 requirements Requires 48V Phantom Power Each M Series microphone is delivered with its own calibration chart providing its individually measured open-circuit sensitivity and the frequency response curve Electronic calibration files can be used to import the M23′s amplitude frequency response directly into your measurement system. If you would like an impulse response chart with your microphone, you must make the request to your dealer at the time of purchase. Review: As a user of Umiks for years and years, I finally realized their calibration file does not go down past 20hz. Finally picked up an m23 and holy crow, I had no idea how off my old measurements were. Plotted the three mics here and zero regrets. 100% confidence in the results coming in, and 0% hassle with calibration files. Notice the hand signed Earthworks test results run right before they shipped. That is a level of service I have not ever experienced. This is soundly better than Umik-1 or Umik-2. Review: Great build quality. Flat frequency response- comes with calibration chart) and downloadable if registered with Earthworks. Meet specifications. ## Features - Omnidirectional Small-diaphragm Condenser Measurement Microphone ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B008LV09LA | | Colour | Nickel | | Compatible devices | Personal Computer, Amplifier | | Frequency response | 23 KHz | | Impedance | 100 Ohms | | Included components | Microphone | | Item dimensions L x W x H | 35.6 x 20.3 x 10.2 centimeters | | Item model number | M23 | | Item weight | 417 g | | Manufacturer | Earthworks | | Microphone form factor | Handheld | | Number of channels | 1 | | Polar pattern | Omnidirectional | | Power source | Corded Electric | | Product Dimensions | 35.56 x 20.32 x 10.16 cm; 417.3 g | | Signal-to-noise ratio | 78 dB | | Special features | Clip | | UPC | 827517000558 639476323919 | ## Product Details - **Brand:** Earthworks - **Connectivity technology:** XLR - **Connector type:** XLR - **Model name:** M23 - **Recommended uses for product:** Studio Recording ## Images ![M23 Omnidirectional High Definition Measurement Microphone, 9Hz-23kHz Frequency Response, 100 Ohms Output Impedance - Image 1](https://m.media-amazon.com/images/I/51zeSwwc8-L.jpg) ## Questions & Answers **Q: Does this mic come with a case?** A: Yes, it does have a case. **Q: Does it meet ISO type 1 standards?** A: I am unsure of ISO type 1, but it meets or exceeds ANSI Type 1 and applicable IEC 61094 requirements **Q: does it come with a mic clip for a stand?** A: YES - it does come with a mic-stand clip. **Q: Does this mic come with the calibration file? How do I get my hands on the file - get it from the manufacturer or does it ship with the mic?** A: It comes with everything needed to calibrate the mic. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by A***A on 11 April 2021* As a user of Umiks for years and years, I finally realized their calibration file does not go down past 20hz. Finally picked up an m23 and holy crow, I had no idea how off my old measurements were. Plotted the three mics here and zero regrets. 100% confidence in the results coming in, and 0% hassle with calibration files. Notice the hand signed Earthworks test results run right before they shipped. That is a level of service I have not ever experienced. This is soundly better than Umik-1 or Umik-2. ### ⭐⭐⭐⭐⭐ Review *by U***N on 13 April 2024* Great build quality. Flat frequency response- comes with calibration chart) and downloadable if registered with Earthworks. Meet specifications. ### ⭐⭐⭐⭐⭐ Review *by Q***D on 24 May 2022* Very accurate throughout the spectrum. ## Frequently Bought Together - Earthworks Audio M23 Omni Measurement Microphone - Audient EVO 4 USB Audio Interface - Sound Level Calibrator Decibel Meter Sound Level Reader Sonometro Decibel Meter Calibrator 94db & 114db Output Levels For 1 Inch And 1/2 Inch Mic --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.th/products/340258254-m23-omnidirectional-high-definition-measurement-microphone-9hz-23khz-frequency-response](https://www.desertcart.co.th/products/340258254-m23-omnidirectional-high-definition-measurement-microphone-9hz-23khz-frequency-response) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-04-27*