{"product_id":"st-neda300s-audio-extender-over-cat-cable-300m","title":"ST-NEDA300S Audio Extender over CAT Cable (300m)","description":"\u003cp\u003e\u003cstrong\u003eThis Audio Extender can transmit digital optical and analog audio signals \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003econcurrently up to a distance of 300m\/990ft (48kHz), 150m\/495ft (96kHz) \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eor 100m\/330ft (192kHz) over a single CAT5E\/6 cable. The digital optical \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eaudio is directly passed from transmitter to receiver. The analog audio \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eoutput on receiver is selectable from the digital optical or the analog audio \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003esignal from transmitter. The extender supports bidirectional POC function.\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eThis is a fantastic plug and play solution for sending optical fiber and analog\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eaudio from an HDTV back to an amplifier, AVR or multi-room audio system \u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003ewhich requires an analog stereo audio input signal.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e☆  Extend optical fiber and analog audio signals up to a distance of 300m\/ \u003cbr\u003e990ft (48kHz), 150m\/495ft (96kHz) or 100m\/330ft (192kHz) over a single \u003cbr\u003e     CAT cable\u003cbr\u003e☆  Audio formats support: LPCM, DTS, Dolby Digital and Dolby Digital Plus      \u003cbr\u003e☆  Support audio sample rates: 32kHz, 44.1kHz, 48kHz, 96kHz, 176.4kHz \u003cbr\u003e     and 192kHz up to 24-bit resolution\u003cbr\u003e☆  Built-in DAC (Digital to Analog Converter), the analog audio output port \u003cbr\u003e     can output PCM 2.0 digital audio or analog audio through the audio \u003cbr\u003e     selection switch  \u003cbr\u003e☆  Support bidirectional POC function. \u003cbr\u003e☆  Plug-and-play   \u003cbr\u003e☆  Small compact size    \u003cbr\u003e☆  Ultra-low jitter and high-fidelity design  \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e① 1 × Audio Extender (Transmitter)\u003cbr\u003e② 1 × Audio Extender (Receiver) \u003cbr\u003e③ 1 × USB Cable (USB-A to Micro-USB port)\u003cbr\u003e④ 1 × User Manual \u003c\/p\u003e\n\u003cstyle\u003e\n  body { font-family: Arial, sans-serif; font-size: 14px; color: #222; max-width: 800px; margin: 0 auto; padding: 20px; }\n  h2 { font-size: 16px; margin: 28px 0 8px; border-bottom: 2px solid #222; padding-bottom: 4px; }\n  h3 { font-size: 14px; margin: 18px 0 6px; }\n  table { width: 100%; border-collapse: collapse; margin-bottom: 16px; }\n  th { background: #333; color: #fff; text-align: left; padding: 7px 10px; font-size: 13px; }\n  td { padding: 6px 10px; border: 1px solid #ccc; vertical-align: top; }\n  tr:nth-child(even) td { background: #f5f5f5; }\n  td:first-child { font-weight: bold; width: 40%; }\n  .group td { background: #e0e0e0; font-weight: bold; font-size: 13px; }\n\u003c\/style\u003e\n\u003ch2 style=\"text-align: center;\"\u003e Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr class=\"group\"\u003e\n\u003ctd colspan=\"2\"\u003eTechnical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBitrate over Distance\u003c\/td\u003e\n\u003ctd\u003e192kHz – 100m\/330ft  |  96kHz – 150m\/495ft  |  48kHz – 300m\/990ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Audio Formats\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong\u003eOptical:\u003c\/strong\u003e All audio formats including LPCM 2.0, LPCM 5.1, Dolby Digital 2\/5.1CH\u003cbr\u003e\u003cstrong\u003eAnalog:\u003c\/strong\u003e PCM 2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSample Rates\u003c\/td\u003e\n\u003ctd\u003e32kHz, 44.1kHz, 48kHz, 96kHz, 176.4kHz and 192kHz up to 24-bit resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eESD Protection\u003c\/td\u003e\n\u003ctd\u003eIEC 61000-4-2: ±8kV (Air-gap discharge), ±4kV (Contact discharge)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"group\"\u003e\n\u003ctd colspan=\"2\"\u003eConnection – Transmitter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003e1× SPDIF IN [Optical Audio Jack]\u003cbr\u003e1× L\/R IN [RCA Stereo Audio Jack]\u003cbr\u003e1× Micro-USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003e1× CAT OUT [RJ45]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"group\"\u003e\n\u003ctd colspan=\"2\"\u003eConnection – Receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003e1× CAT IN [RJ45]\u003cbr\u003e1× Micro-USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput\u003c\/td\u003e\n\u003ctd\u003e1× SPDIF OUT [Optical Audio Jack]\u003cbr\u003e1× L\/R OUT [RCA Stereo Audio Jack]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"group\"\u003e\n\u003ctd colspan=\"2\"\u003ePower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003eDC 5V\/1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption (Max)\u003c\/td\u003e\n\u003ctd\u003e1.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"group\"\u003e\n\u003ctd colspan=\"2\"\u003eMechanical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e90mm (W) × 72mm (H) × 20mm (D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e174g (Transmitter\/Receiver)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eMetal Enclosure – Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"group\"\u003e\n\u003ctd colspan=\"2\"\u003eEnvironmental\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C ~ 40°C \/ 32°F ~ 104°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C ~ 60°C \/ -4°F ~ 140°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e20%~90% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"text-align: center;\"\u003eOperation Controls and Functions\u003c\/h2\u003e\n\u003ch3\u003eTransmitter\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/Screenshot_2026-06-01_170341.png?v=1780322875\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eNo.\u003c\/th\u003e\n\u003cth\u003eName\u003c\/th\u003e\n\u003cth\u003eFunction Description\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003ePower LED\u003c\/td\u003e\n\u003ctd\u003eWhen the transmitter is powered on, the power LED will be on.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eCAT OUT\u003c\/td\u003e\n\u003ctd\u003eConnect to the CAT IN port of the receiver with CAT5E\/6 cable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eSPDIF IN\u003c\/td\u003e\n\u003ctd\u003eOptical fiber audio input port, connected to an optical digital audio source device with Optical Toslink cable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eL\/R IN\u003c\/td\u003e\n\u003ctd\u003eAnalog audio input port, connected to an analog audio source device with RCA cable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eDC 5V\u003c\/td\u003e\n\u003ctd\u003eMicro USB power input port.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e5.2 Receiver\u003c\/h3\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/Screenshot_2026-06-01_170454.png?v=1780322921\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eNo.\u003c\/th\u003e\n\u003cth\u003eName\u003c\/th\u003e\n\u003cth\u003eFunction Description\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003ePower LED\u003c\/td\u003e\n\u003ctd\u003eWhen the receiver is powered on, the power LED will be on.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eL\/R OUT Audio Selection Switch\u003c\/td\u003e\n\u003ctd\u003eUse this switch to select audio source for the L\/R OUT port.\u003cbr\u003e• \u003cstrong\u003eTX L\/R:\u003c\/strong\u003e The L\/R OUT port outputs the analog audio from the L\/R IN port of the transmitter.\u003cbr\u003e• \u003cstrong\u003eTX SPDIF:\u003c\/strong\u003e The L\/R OUT port outputs the digital audio from the SPDIF IN port of the transmitter.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eCAT IN\u003c\/td\u003e\n\u003ctd\u003eConnect to the CAT OUT port of the transmitter with CAT5E\/6 cable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eSPDIF OUT\u003c\/td\u003e\n\u003ctd\u003eOptical fiber audio output port, connected to amplifier or speaker with Optical Toslink cable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eL\/R OUT\u003c\/td\u003e\n\u003ctd\u003eAnalog audio output port, connected to amplifier or speaker with RCA cable.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eDC 5V\u003c\/td\u003e\n\u003ctd\u003eMicro USB power input port.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003cstrong\u003eApplication Example\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/Screenshot_2026-06-01_170530.png?v=1780322988\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e","brand":"STAISON","offers":[{"title":"Default Title","offer_id":47983483486429,"sku":null,"price":0.0,"currency_code":"SAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0802\/0410\/3901\/files\/IMG1282.jpg?v=1780323021","url":"https:\/\/www.staison.com\/products\/st-neda300s-audio-extender-over-cat-cable-300m","provider":"STAISON","version":"1.0","type":"link"}