{"product_id":"biamp-901-0304-tesira-sec-4","title":"Biamp 901.0304 Tesira SEC-4","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Biamp Tesira SEC-4 is a 4-channel mic\/line modular input card with Acoustic Echo Cancellation for Tesira SERVER and SERVER-IO devices. It is the input card integrators specify for conferencing rooms where clean, echo-free far-end audio is the priority. Built on Biamp's wide-band Sona AEC technology, this Tesira AEC input card handles four balanced inputs and applies echo cancellation without drawing on the host DSP's processing resources. The SEC-4 mixes and matches with other modular I\/O cards in either Tesira server chassis.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Description\u003c\/h2\u003e\n\u003cp\u003eEach SEC-4 provides four channels of mic or line level audio input with Acoustic Echo Cancellation on plug-in barrier strip connectors. The card carries the next generation of Biamp's Sona AEC technology and adds SpeechSense, an algorithm that more accurately distinguishes human speech from noise for more natural conferencing. Notably, the SEC-4 performs its echo cancellation on the card itself, so it does not consume DSP resources from the SERVER or SERVER-IO. In Tesira software, control is separated into distinct blocks for the mic\/line inputs and for the AEC processing, which lets the system designer use the inputs independently and apply the AEC algorithm to signals from a different part of the system. The card also includes automatic gain control, a high-pass filter, and additional noise reduction on the AEC outputs. Software control of each input includes gain with clip indicator, +48V phantom power, mute, level, and signal invert, with a 0–66 dB gain range in 6 dB steps. The SEC-4 fits AV system integration projects for boardrooms, conference rooms, and multi-purpose rooms that rely on 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-901-0303-tesira-soc-4\"\u003eTesira SOC-4\u003c\/a\u003e output card and the \u003ca href=\"https:\/\/creationnetworks.net\/products\/biamp-901-0306-tesira-stc-2\"\u003eTesira STC-2\u003c\/a\u003e telephone card, 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 — Echo cancellation uses the next generation of Biamp's wide-band Sona technology for proven conferencing performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeechSense Processing\u003c\/strong\u003e — The SpeechSense algorithm more accurately distinguishes human speech from noise for more natural communication.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndependent DSP Load\u003c\/strong\u003e — The card performs AEC on board and does not use processing resources from the SERVER or SERVER-IO DSP.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparate Input and AEC Blocks\u003c\/strong\u003e — Software separates mic\/line input control from AEC processing so the algorithm can be applied to inputs elsewhere in the system.\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\u003eAdded Conditioning\u003c\/strong\u003e — The card includes automatic gain control, a high-pass filter, and additional noise reduction on the AEC outputs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-Year Warranty\u003c\/strong\u003e — The SEC-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 SEC-4 (901.0304)\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;\"\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 (AEC off)\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003e\u0026lt; 0.006% (line), \u0026lt; 0.055% (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;\"\u003eCompatible Hosts\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px;\"\u003eTesira SERVER, Tesira SERVER-IO\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 SEC-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 Tesira devices accept the SEC-4?\u003c\/strong\u003e\u003cbr\u003eThe SEC-4 installs in Tesira SERVER and SERVER-IO devices and can be mixed and matched with other modular I\/O cards.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the SEC-4 use the host DSP for echo cancellation?\u003c\/strong\u003e\u003cbr\u003eNo. It performs AEC on the card itself and does not consume processing resources from the SERVER or SERVER-IO DSP.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat echo cancellation technology does it use?\u003c\/strong\u003e\u003cbr\u003eIt uses the next generation of Biamp's wide-band Sona AEC technology, plus the SpeechSense algorithm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the inputs without AEC?\u003c\/strong\u003e\u003cbr\u003eYes. Software separates the mic\/line input and AEC blocks, so you can use the inputs independently or apply AEC to signals elsewhere in the system.\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\u003eWhat warranty applies?\u003c\/strong\u003e\u003cbr\u003eBiamp covers the SEC-4 with a 5-year warranty.\u003c\/p\u003e","brand":"Biamp","offers":[{"title":"Default Title","offer_id":47945541452012,"sku":"901.0304","price":958.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/7982\/4364\/files\/unnamed_9e571e80-1ef1-4265-9cf6-8887065d689e.png?v=1784728914","url":"https:\/\/creationnetworks.net\/products\/biamp-901-0304-tesira-sec-4","provider":"Creation Networks","version":"1.0","type":"link"}