{"product_id":"biamp-901-0339-tesira-eec-4","title":"Biamp 901.0339 Tesira EEC-4","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Biamp Tesira EEC-4 is a 4-channel expander input card with Acoustic Echo Cancellation for the Tesira EX-MOD modular expander. It is the card integrators install when a remote zone needs local mic\/line inputs with on-board echo cancellation feeding a networked Tesira system. Using Biamp's Sona AEC technology, this Tesira expander AEC card delivers four balanced inputs at the point of use and connects back to the DSP over the AVB network. The EEC-4 is one of several cards that can populate an EX-MOD chassis.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eEach EEC-4 provides four channels of mic\/line level audio input with AEC on plug-in barrier strip connectors, and it is designed exclusively for the Tesira EX-MOD expander. The EX-MOD holds up to three cards in any combination for a maximum of 12 channels, and communicates with the Tesira AVB network for audio, configuration, and control. This makes the EEC-4 well suited to AV system integration projects where microphones are located far from the main equipment rack, such as distributed conference rooms or divisible spaces. Software control of each input includes gain with clip indicator, +48V phantom power, mute, level, and signal invert, across a 0–66 dB gain range in 6 dB steps. Analog-to-digital conversion is 24-bit at a 48 kHz sampling rate. The card carries Biamp's Sona acoustic echo cancellation for clean far-end audio in hands-free conferencing. It incorporates AES48-2005 grounding and EMC practices, is RoHS compliant, and carries Biamp's 5-year warranty. Pair it with the \u003ca href=\"https:\/\/creationnetworks.net\/products\/biamp-901-0312-tesira-eic-4\"\u003eTesira EIC-4\u003c\/a\u003e input card and \u003ca href=\"https:\/\/creationnetworks.net\/products\/biamp-901-0314-tesira-eioc-4\"\u003eTesira EIOC-4\u003c\/a\u003e I\/O card for the EX-MOD, or browse the full \u003ca href=\"https:\/\/creationnetworks.net\/collections\/biamp\"\u003eBiamp collection\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour Mic\/Line Inputs With AEC\u003c\/strong\u003e — The card provides four channels of balanced mic or line level input with Acoustic Echo Cancellation on plug-in barrier strip connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSona AEC Technology\u003c\/strong\u003e — On-board Sona acoustic echo cancellation delivers clean far-end audio for hands-free conferencing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for EX-MOD\u003c\/strong\u003e — The EEC-4 is designed exclusively for the Tesira EX-MOD expander and can be combined with other EX-MOD cards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Placement\u003c\/strong\u003e — The card lets microphones connect locally in a remote zone while feeding the DSP over the Tesira AVB network.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Input Control\u003c\/strong\u003e — Each input offers gain with clip indicator, +48V phantom power, mute, level, and signal invert across a 0–66 dB gain range in 6 dB steps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24-bit \/ 48 kHz Conversion\u003c\/strong\u003e — Analog-to-digital conversion is 24-bit at a 48 kHz sampling rate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Year Warranty\u003c\/strong\u003e — The EEC-4 is covered by Biamp Systems' 5-year warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBoardroom\u003c\/li\u003e\n\u003cli\u003eConference room\u003c\/li\u003e\n\u003cli\u003eHuddle room\u003c\/li\u003e\n\u003cli\u003eMulti-purpose room\u003c\/li\u003e\n\u003cli\u003eTraining room\u003c\/li\u003e\n\u003cli\u003eAll-hands room\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch;\"\u003e\u003ctable style=\"width:100%;border-collapse:collapse;min-width:320px;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u003cstrong\u003eModel \/ SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eTesira EEC-4 (901.0339)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eChannels\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e4 mic\/line input with AEC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eHost Device\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eTesira EX-MOD (up to 3 cards \/ 12 channels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eConnectors\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003ePlug-in barrier strip (balanced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eFrequency Response (20Hz–20kHz @ +4dBu)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e+0 \/ -0.25 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eTHD+N\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u0026lt; 0.006% (line), \u0026lt; 0.040% (mic, 54 dB gain)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eAEC Tail Length\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eUp to 300 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eAEC Convergence\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eUp to 100 dB\/sec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eEIN (66 dB gain, 150Ω)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u0026lt; -125 dBu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eDynamic Range\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u0026gt; 108 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eInput Impedance (balanced)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e8 kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eMaximum Input\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e+24 dBu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eInput Gain Range\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e0–66 dB (6 dB steps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003ePhantom Power\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e+48 VDC (7 mA\/input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eA\/D Converters\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e24-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eSampling Rate\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e48 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eCompliance\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eAES48-2005 grounding \u0026amp; EMI practices; RoHS Directive (Europe)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e5 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003cp style=\"color:#888;font-size:0.85em;\"\u003eSpecifications sourced from the Biamp Tesira EEC-4 datasheet. Confirm detailed specifications against current Biamp documentation.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhich device accepts the EEC-4?\u003c\/strong\u003e\u003cbr\u003eThe EEC-4 is designed exclusively for the Tesira EX-MOD expander, which holds up to three cards for a maximum of 12 channels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the EX-MOD connect to the Tesira system?\u003c\/strong\u003e\u003cbr\u003eThe EX-MOD communicates with the Tesira AVB network for audio, configuration, and control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat echo cancellation does it use?\u003c\/strong\u003e\u003cbr\u003eThe card uses Biamp's Sona acoustic echo cancellation on its four inputs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat connectors and phantom power does it provide?\u003c\/strong\u003e\u003cbr\u003eInputs are balanced on plug-in barrier strips with +48 VDC phantom power at 7 mA per input.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the gain range?\u003c\/strong\u003e\u003cbr\u003eEach input offers 0–66 dB of gain in 6 dB steps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy choose an expander card over a server input card?\u003c\/strong\u003e\u003cbr\u003eAn EX-MOD with EEC-4 cards lets you place inputs near remote microphones and network them back to the DSP, reducing long analog cable runs.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat warranty applies?\u003c\/strong\u003e\u003cbr\u003eBiamp covers the EEC-4 with a 5-year warranty.\u003c\/p\u003e","brand":"Biamp","offers":[{"title":"Default Title","offer_id":47945540894956,"sku":"901.0339","price":958.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/unnamed_a7069c57-4a2e-49da-afc6-62d0ab1fb6e5.png?v=1784728864","url":"https:\/\/creationnetworks.net\/products\/biamp-901-0339-tesira-eec-4","provider":"Creation Networks","version":"1.0","type":"link"}