{"product_id":"extron-mls-100-a-stereo-audio-switcher","title":"Extron MLS 100 A Stereo Audio Switcher","description":"\u003cp dir=\"auto\"\u003eThe Extron MLS 100 A is a compact four-input stereo audio switcher designed for professional AV installations requiring simple yet flexible audio source selection and mixing. It switches between four unbalanced stereo audio inputs while featuring an always-active auxiliary mono line level input (balanced or unbalanced) that mixes with any selected source, allowing seamless integration of microphones, ambient audio, or additional program material. Front panel buttons provide direct input selection and volume adjustment, with gain\/attenuation control ensuring optimal signal levels for consistent output.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eHoused in a durable 1U, quarter rack width metal enclosure, the switcher supports balanced or unbalanced stereo output and integrates effortlessly into control ecosystems. It offers multiple control methods including RS-232 serial, front panel operation, or compatibility with Extron TouchLink Control Systems and MediaLink Controllers for centralized management in classroom, boardroom, or presentation setups.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eThis switcher excels in environments needing reliable audio routing without complex video switching, such as podiums, lecterns, conference tables, or under-desk mounting. It pairs well with Extron MediaLink systems, projectors, amplifiers, and other AV components for enhanced presentation audio control.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eFeatures Chart\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"md\"\u003eFeature\u003c\/th\u003e\n\u003cth data-col-size=\"lg\"\u003eBenefit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eFour unbalanced stereo audio inputs\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eSupports multiple stereo sources like laptops, media players, or CD players\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eAuxiliary mono mix input (balanced\/unbalanced)\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eEnables mixing of microphones or background audio with selected program source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eAudio input gain and attenuation\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eAdjusts levels for balanced, distortion-free output across sources\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eBalanced\/unbalanced stereo output\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eProvides flexible connectivity to amplifiers or mixers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eFront panel controls\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eOffers quick, intuitive manual selection and volume adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eRS-232 and MediaLink\/TouchLink compatibility\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eAllows integration with automated control systems for remote operation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eCompact quarter rack width enclosure\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eFits easily in racks, under furniture, or on projector lifts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eExternal Everlast power supply included\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eEnsures reliable, long-lasting power with energy-efficient design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eSpecifications Table\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"md\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-col-size=\"lg\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eInputs\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e4 unbalanced stereo (RCA or 3.5 mm); 1 auxiliary mono line level (balanced\/unbalanced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eOutputs\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e1 stereo (balanced\/unbalanced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eAudio Gain\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eAdjustable; unbalanced output -6 dB, balanced 0 dB (unity) typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eControl Interfaces\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eFront panel buttons, RS-232, TouchLink, MediaLink Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eEnclosure\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eMetal, 1U high, quarter rack width\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eMounting Options\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eRack, furniture, projector lift (optional brackets)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003ePower\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eExternal Extron Everlast power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e0.7 lbs (0.3 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eWide bandwidth for high-fidelity audio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eCompare Chart\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003ctable dir=\"auto\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth data-col-size=\"lg\"\u003eAspect\u003c\/th\u003e\n\u003cth data-col-size=\"xl\"\u003eExtron MLS 100 A\u003c\/th\u003e\n\u003cth data-col-size=\"md\"\u003eKramer VS-4A\u003c\/th\u003e\n\u003cth data-col-size=\"md\"\u003eAtlona AT-AVS-4 (similar audio switcher)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eStereo Inputs\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\"\u003e4 unbalanced + 1 aux mono mix\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e4 stereo\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003e4 stereo typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMixing Capability\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\"\u003eYes (aux mono with any input)\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eNo mixing\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eLimited or none\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eBalanced Output Support\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\"\u003eYes\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eVaries\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eOften yes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eControl Options\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\"\u003eFront panel, RS-232, Extron controllers\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eFront panel, IR, RS-232\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eFront panel, RS-232\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eForm Factor\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\"\u003eQuarter rack, compact\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eHalf rack or desktop\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eCompact desktop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eGain\/Attenuation Control\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\"\u003eYes\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eBasic level control\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eVaries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eIntegration Focus\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\"\u003eExtron MediaLink\/TouchLink\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eGeneral purpose\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eBroad AV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"lg\"\u003eMounting Flexibility\u003c\/td\u003e\n\u003ctd data-col-size=\"xl\"\u003eRack, furniture, projector\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eRack\/desktop\u003c\/td\u003e\n\u003ctd data-col-size=\"md\"\u003eDesktop primarily\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/p\u003e\n\u003col dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the purpose of the auxiliary input?\u003c\/strong\u003e It accepts balanced or unbalanced mono line level signals and mixes continuously with any of the four selected stereo inputs for applications like adding microphone audio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow is volume controlled?\u003c\/strong\u003e Use front panel buttons for direct adjustment, or integrate with RS-232 or Extron controllers for remote level management.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan outputs be balanced or unbalanced?\u003c\/strong\u003e Yes, the switcher supports both, allowing flexible connection to professional amplifiers or consumer equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs it suitable for rack mounting?\u003c\/strong\u003e Yes, its 1U quarter rack width design fits standard racks or optional shelves, with additional furniture or projector mounting options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat control systems work with it?\u003c\/strong\u003e It integrates natively with Extron TouchLink and MediaLink systems, plus standard RS-232 for third-party automation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow durable is the construction?\u003c\/strong\u003e The metal enclosure provides robust protection for professional installations, with reliable external power for consistent performance.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Extron","offers":[{"title":"Default Title","offer_id":47326336188652,"sku":"60-497-01","price":620.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/CN_60-497-01.jpg?v=1775840436","url":"https:\/\/creationnetworks.net\/products\/extron-mls-100-a-stereo-audio-switcher","provider":"Creation Networks","version":"1.0","type":"link"}