{"product_id":"rdl-st-sx4","title":"RDL ST-SX4","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe ST-SX4 accepts up to four unbalanced audio sources. Any of these sources may be selected to feed the output, or all sources may be switched off. The output from the ST-SX4 is unbalanced. Control of the module is accomplished through a single input terminal. Connection of a specified resistance between the \u003cstrong\u003eCTRL\u003c\/strong\u003e input and ground causes the desired input to be switched on. The necessary external resistors are supplied with the ST-SX4. The ST-SX4 may be remote controlled using the D SERIES-RC4ST remote control.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSelect 1 of 4 Unbalanced Audio Sources\u003c\/li\u003e\n\u003cli\u003eAudio Selection from Remote Location\u003c\/li\u003e\n\u003cli\u003eRemote Switching from Single Control Pair\u003c\/li\u003e\n\u003cli\u003eAll Solid-State Audio Switching\u003c\/li\u003e\n\u003cli\u003eSlave Capability for Stereo Switching\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable class=\"table1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003e\n\u003cbr\u003e\u003cb\u003eAUDIO\u003c\/b\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput and Output Level\u003c\/td\u003e\n\u003ctd\u003e-10 dBV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain\u003c\/td\u003e\n\u003ctd\u003eUnity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadroom\u003c\/td\u003e\n\u003ctd\u003e23 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD+N\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.1% Typ. 0.05%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e15 Hz to 40 kHz (± 0.5 dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e100 k?, unbalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 50 ?, unbalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrosstalk\u003c\/td\u003e\n\u003ctd\u003eBelow noise floor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOff-Channel Attenuation\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 85 dB @ 1 kHz\u003cbr\u003e\u0026gt; 80 dB @ 10 kHz\u003cbr\u003e\u0026gt; 75 dB @ 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResidual Noise\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; -70 dB (referred to -10 dBV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\n\u003cbr\u003e\u003cb\u003eCONTROL\u003c\/b\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Input Resistance\u003c\/td\u003e\n\u003ctd\u003e10 k? (pullup to +15 Vdc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Input\u003c\/td\u003e\n\u003ctd\u003eSingle terminal to be connected to ground terminal to select desired channel.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\n\u003cu\u003eInput Selected\u003c\/u\u003e\u003cdiv class=\"spec_spacer\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"specifications\"\u003e\u003cu\u003eResistance Value\u003c\/u\u003e\u003c\/div\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNone\u003cdiv class=\"spec_spacer\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"specifications\"\u003e0 ? (short to GND)\u003c\/div\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e1\u003cdiv class=\"spec_spacer\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"specifications\"\u003e2.7 k?\u003c\/div\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e2\u003cdiv class=\"spec_spacer\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"specifications\"\u003e6.8 k?\u003c\/div\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e3\u003cdiv class=\"spec_spacer\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"specifications\"\u003e22 k?\u003c\/div\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e4\u003cdiv class=\"spec_spacer\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"specifications\"\u003eNone\u003c\/div\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Operating Environment\u003c\/td\u003e\n\u003ctd\u003e0° C to 55° C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Requirement\u003c\/td\u003e\n\u003ctd\u003eGROUND-REFERENCED, 24 Vdc @ 45 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Type\u003c\/td\u003e\n\u003ctd\u003eCardboard Box\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Dimensions\u003c\/td\u003e\n\u003ctd\u003e2 x 2 x 4 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e0.21 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWEEE weight\u003c\/td\u003e\n\u003ctd\u003e0.16 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff code\u003c\/td\u003e\n\u003ctd\u003e8517.70.0000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"RDL","offers":[{"title":"Default Title","offer_id":43895108010027,"sku":"RDL-ST-SX4","price":140.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0642\/3019\/5243\/files\/rdl-st-sx4-2__85483.1682436100.1280.1280.jpg?v=1775684046","url":"https:\/\/www.empirepro.com\/products\/rdl-st-sx4","provider":"Empire Pro","version":"1.0","type":"link"}