{"product_id":"earthworks-m23-gen-2-omni-measurement-microphone","title":"Earthworks M23 Gen 2 - Omni Measurement Microphone","description":"\u003cp\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eEarthworks M23 Gen 2\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a precision omnidirectional measurement microphone featuring a pre-polarised condenser capsule, a flat frequency response from 5 Hz to 23 kHz (±1 dB), 140 dB SPL handling and individually calibrated performance for professional acoustic analysis, sound system tuning and loudspeaker measurement.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003ePrecision Acoustic Measurement and Reference Accuracy\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Earthworks M23 Gen 2 delivers accurate, consistent acoustic measurements across an extended frequency range, making it ideal for sound system optimisation, room acoustics, loudspeaker development and sound pressure level monitoring.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts 6 mm pre-polarised condenser capsule features an omnidirectional polar pattern that captures sound from all directions. The microphone maintains a flat frequency response within ±1 dB from 5 Hz to 23 kHz, with a low-frequency cutoff of 3 Hz or lower and a high-frequency cutoff of 30 kHz or higher at the -3 dB points.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eEach M23 Gen 2 includes an individual calibration chart detailing its frequency response curve alongside sensitivity measurements at 1 kHz and 250 Hz. This documentation supports accurate reference measurements and consistent results across professional acoustic applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eImproved Sensitivity and High SPL Handling\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe second-generation M23 introduces a reduced sensitivity of -40 dBV\/Pa (10 mV\/Pa) at 1 kHz, improving compatibility with audio interfaces that struggle with higher microphone output levels.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis adjustment provides greater flexibility when measuring high sound pressure levels, particularly in live sound environments and SPL monitoring applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith 48 V phantom power, the microphone handles up to 140 dB SPL at 3% THD. It also supports 12 V phantom power, with a maximum SPL capability of 133 dB. These specifications make the M23 Gen 2 suitable for measuring powerful sound reinforcement systems without exceeding the microphone's specified SPL limits.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eReduced Phantom Power Consumption\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Earthworks M23 Gen 2 reduces its 48 V phantom power consumption from the original M23's 10 mA to just 7.2 mA.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis improvement helps extend battery runtime when using compatible wireless microphone transmitters and reduces the power demands on audio interfaces and microphone preamplifiers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe microphone also draws 4.8 mA when operating from 12 V phantom power, providing additional flexibility across compatible measurement systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCompact Stainless Steel Construction\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe M23 Gen 2 retains the original M23's distinctive tapered microphone tip while introducing a shorter, lighter body.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts machined stainless steel construction provides durability for regular use in studios, installation environments and live sound applications. The updated design measures 138.6 mm in length and 21.8 mm in width, with a weight of approximately 130 g.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAn IP54 rating provides protection against limited dust ingress and water splashes, making the microphone suitable for demanding professional measurement environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eLow Noise Performance and Professional Connectivity\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe M23 Gen 2 combines an A-weighted self-noise specification of 23 dBA with its extended frequency response to support detailed acoustic analysis across a wide range of measurement applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts balanced XLR output integrates with compatible microphone preamplifiers, audio interfaces and acoustic measurement systems. A minimum load impedance requirement of 1 kΩ helps ensure appropriate electrical compatibility.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cspan\u003eCalibration Accessories and Protective Storage\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eEarthworks supplies the M23 Gen 2 with an individual calibration chart, protective carrying case, MC1 microphone clip, ADP1 half-inch calibrator adaptor and OMW2 windscreen.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe calibrator adaptor supports integration with compatible acoustic calibrators, while the windscreen helps reduce unwanted wind interference during measurements. The protective case provides secure storage and transport between measurement locations.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eWhy Choose the Earthworks M23 Gen 2?\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eTrust the measurements:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Individually documented calibration data supports repeatable acoustic analysis and reliable system optimisation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMeasure powerful sound systems:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e High SPL handling makes the microphone suitable for live sound tuning and monitoring.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eImprove interface compatibility:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Reduced sensitivity helps prevent excessive input levels when measuring loud sources.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eReduce power demands:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Lower phantom power consumption benefits compatible wireless and multi-microphone measurement systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWork across different environments:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Compact stainless steel construction and IP54 protection support regular professional use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eSimplify measurement setup:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Included calibration accessories, mounting hardware and protective storage provide a practical measurement package.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Studiocare Professional Audio Ltd","offers":[{"title":"Default Title","offer_id":58902372876671,"sku":"ITM002748","price":457.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/4915\/9716\/files\/Earthworks_M23-kmr.jpg?v=1792591478","url":"https:\/\/kmraudio.com\/products\/earthworks-m23-gen-2-omni-measurement-microphone","provider":"KMR Audio","version":"1.0","type":"link"}