{"product_id":"extron-asa-204-four-input-analog-stereo-audio-switcher","title":"Extron ASA 204 Four-Input Analog Stereo Audio Input","description":"\u003cp dir=\"auto\"\u003eThe Extron ASA 204 is a compact, four-input, one-output analog stereo audio switcher designed for reliable source selection of balanced or unbalanced line-level stereo audio signals in professional AV systems. It accepts four stereo audio sources on captive screw connectors and provides clean, low-noise switching with excellent signal integrity to a single output destination such as an amplifier, DSP, recorder, or presentation system. The switcher is ideal for applications requiring multi-source audio routing in classrooms, conference rooms, boardrooms, training facilities, control systems, or small-scale mixing setups where four stereo audio sources need to be selectively routed without complex processing.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFeaturing a rugged metal enclosure, front-panel push-button switching with LED indicators for active input selection, and RS-232 serial control for integration with AV controllers or automation systems, the ASA 204 delivers dependable performance with minimal setup. Its small form factor allows easy mounting under tables, in racks, or behind equipment, while the captive screw terminals ensure secure, vibration-resistant connections in permanent installations.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eFeatures Chart\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-Input, One-Output Stereo Audio Switching\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eSelect among four line-level stereo sources with seamless routing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eCaptive Screw Audio Connectors\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eSecure, tool-free termination for reliable balanced\/unbalanced connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eFront-Panel Push-Button Control\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eManual selection with LED indicators for visual confirmation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eRS-232 Serial Control\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eEnables integration with AV controllers, touchpanels, or automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eLow-Noise, High-Integrity Signal Path\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eMaintains audio quality with minimal distortion or crosstalk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eCompact Metal Enclosure\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eDurable and space-efficient for rack, under-table, or surface mounting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eBalanced\/Unbalanced Compatibility\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eSupports a wide range of professional and consumer audio sources\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003ePlug-and-Play Operation\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eNo configuration or external power adapter required\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\"\u003eSpecifications Table\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=\"sm\"\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=\"sm\"\u003eAudio Inputs\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e4 stereo (balanced\/unbalanced) on 3.5 mm captive screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003eAudio Output\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e1 stereo (balanced\/unbalanced) on 3.5 mm captive screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003eControl Interfaces\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eFront-panel push buttons, RS-232 (bidirectional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003eGain\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eUnity (0 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e20 Hz to 20 kHz, ±0.05 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003eTHD + Noise\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e\u0026lt;0.01% @ 1 kHz, nominal level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003eCrosstalk\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e\u0026lt;-80 dB @ 1 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003ePower Requirement\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eExternal 12 VDC power supply (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003eMounting\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eCompact enclosure with mounting options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003eApplications\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eStereo audio source selection in AV presentation systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"sm\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eLine-level stereo audio sources and destinations\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\"\u003eCompare Chart\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\"\u003eAspect\u003c\/th\u003e\n\u003cth data-col-size=\"lg\"\u003eExtron ASA 204\u003c\/th\u003e\n\u003cth data-col-size=\"lg\"\u003eExtron ASA 131\u003c\/th\u003e\n\u003cth data-col-size=\"lg\"\u003eKramer VS-44A Switcher\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eInputs\/Outputs\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e4 stereo in \/ 1 stereo out\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e3 stereo in \/ 1 stereo out\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003e4 stereo in \/ 1 stereo out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eControl\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eManual push buttons + RS-232\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eManual push buttons + RS-232\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eRS-232\/IR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eAudio Type\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eBalanced\/unbalanced\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eBalanced\/unbalanced\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eBalanced\/unbalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eForm Factor\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eCompact\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eCompact\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eCompact\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003ePrimary Use\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eFour-source audio selection\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eThree-source audio selection\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eMulti-source selection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eSerial Control\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eYes\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eYes\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eYes\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 12 VDC\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eExternal 12 VDC\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eExternal power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-col-size=\"md\"\u003eExtron Optimization\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eYes\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eYes\u003c\/td\u003e\n\u003ctd data-col-size=\"lg\"\u003eNo\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\"\u003eFAQ\u003c\/p\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat is the main purpose of the ASA 204?\u003c\/strong\u003e It provides simple four-source selection for stereo audio signals in professional AV setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes it support balanced audio?\u003c\/strong\u003e Yes, the ASA 204 accepts and outputs balanced or unbalanced stereo line-level audio signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow is the switcher controlled?\u003c\/strong\u003e It features front-panel push buttons with LED indicators for manual operation and RS-232 serial control for integration with AV controllers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat connectors are used?\u003c\/strong\u003e Stereo audio inputs and output are on 3.5 mm captive screw connectors for secure, reliable termination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs external power required?\u003c\/strong\u003e Yes, it includes an external 12 VDC power supply for operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCan it be used in rack installations?\u003c\/strong\u003e Yes, its compact size and mounting options make it suitable for rack, under-table, or surface mounting in AV systems.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Extron","offers":[{"title":"Default Title","offer_id":47402081321196,"sku":"60-552-30","price":390.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/CN_60-552-30.jpg?v=1775847550","url":"https:\/\/creationnetworks.net\/products\/extron-asa-204-four-input-analog-stereo-audio-switcher","provider":"Creation Networks","version":"1.0","type":"link"}