{"product_id":"ecler-aura-4b900-4x900w-100v-class-d-power-amplifier","title":"Ecler AURA-4B900 Amplifier","description":"\u003cp data-start=\"502\" data-end=\"890\"\u003eThe Ecler AURA-4B900 is a flagship 4-channel Class-D power amplifier designed for large-scale commercial audio installations requiring high output, flexibility, and long-term reliability. Delivering 4 x 900W RMS output, it provides exceptional power density within a compact 1U rack format, making it an ideal solution for multi-zone systems where performance and efficiency are critical.\u003c\/p\u003e\n\u003cp data-start=\"892\" data-end=\"1148\"\u003eAs part of Ecler’s advanced AURA Series, the AURA-4B900 combines high-efficiency amplification, dual impedance compatibility, and installer-focused features, enabling scalable system design across hospitality, retail, education, and corporate environments.\u003c\/p\u003e\n\u003ch3 data-section-id=\"eyasns\" data-start=\"1150\" data-end=\"1192\"\u003eHigh Power Multi-Channel Amplification\u003c\/h3\u003e\n\u003cp data-start=\"1194\" data-end=\"1372\"\u003eThe AURA-4B900 delivers 900W per channel at 4Ω across four independent outputs, providing a total system output capability of up to 3600W. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1374\" data-end=\"1414\"\u003eThis makes it particularly suitable for:\u003c\/p\u003e\n\u003cul data-start=\"1415\" data-end=\"1659\"\u003e\n\u003cli data-section-id=\"jyx6gd\" data-start=\"1415\" data-end=\"1471\"\u003eLarge hospitality venues and multi-room environments\u003c\/li\u003e\n\u003cli data-section-id=\"hysjfo\" data-start=\"1472\" data-end=\"1510\"\u003eRetail stores and shopping centres\u003c\/li\u003e\n\u003cli data-section-id=\"eex1ko\" data-start=\"1511\" data-end=\"1560\"\u003eCorporate buildings and conference facilities\u003c\/li\u003e\n\u003cli data-section-id=\"vx0bhj\" data-start=\"1561\" data-end=\"1610\"\u003eEducation campuses and public address systems\u003c\/li\u003e\n\u003cli data-section-id=\"tklzaa\" data-start=\"1611\" data-end=\"1659\"\u003eLeisure, fitness, and large open-plan spaces\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1661\" data-end=\"1774\"\u003eThe high output per channel ensures consistent audio performance across extended speaker runs and multiple zones.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1j9ty0c\" data-start=\"1776\" data-end=\"1833\"\u003eDesigned for Multi-Zone and Distributed Audio Systems\u003c\/h3\u003e\n\u003cp data-start=\"1835\" data-end=\"2111\"\u003eWith four independent channels and four analogue inputs, the AURA-4B900 enables flexible multi-zone system design. Each channel can operate independently or be linked to a common input, simplifying mono distribution or system expansion. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2113\" data-end=\"2137\"\u003eThis makes it ideal for:\u003c\/p\u003e\n\u003cul data-start=\"2138\" data-end=\"2253\"\u003e\n\u003cli data-section-id=\"154w02z\" data-start=\"2138\" data-end=\"2172\"\u003eZoned background music systems\u003c\/li\u003e\n\u003cli data-section-id=\"fztko2\" data-start=\"2173\" data-end=\"2208\"\u003ePaging and announcement systems\u003c\/li\u003e\n\u003cli data-section-id=\"y3gkay\" data-start=\"2209\" data-end=\"2253\"\u003eDistributed audio across large buildings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2255\" data-end=\"2375\"\u003eIts multi-channel architecture reduces the need for multiple amplifiers, saving rack space and simplifying installation.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1vqlu7y\" data-start=\"2377\" data-end=\"2432\"\u003eCompatible with 100V Line and Low Impedance Systems\u003c\/h3\u003e\n\u003cp data-start=\"2434\" data-end=\"2514\"\u003eA key advantage of the AURA-4B900 is its dual impedance capability. It supports:\u003c\/p\u003e\n\u003cul data-start=\"2516\" data-end=\"2603\"\u003e\n\u003cli data-section-id=\"wk7jib\" data-start=\"2516\" data-end=\"2556\"\u003eLow impedance operation (2Ω, 4Ω, 8Ω)\u003c\/li\u003e\n\u003cli data-section-id=\"p0k6bd\" data-start=\"2557\" data-end=\"2603\"\u003eHigh impedance operation (70V \/ 100V line)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2605\" data-end=\"2754\"\u003eSelectable via rear panel switches, this allows the amplifier to be used across a wide range of system types. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2756\" data-end=\"2781\"\u003eThis flexibility enables:\u003c\/p\u003e\n\u003cul data-start=\"2782\" data-end=\"2955\"\u003e\n\u003cli data-section-id=\"19cvzrp\" data-start=\"2782\" data-end=\"2821\"\u003eDistributed ceiling speaker systems\u003c\/li\u003e\n\u003cli data-section-id=\"ubn9kp\" data-start=\"2822\" data-end=\"2864\"\u003eWall-mounted loudspeaker installations\u003c\/li\u003e\n\u003cli data-section-id=\"13jaabq\" data-start=\"2865\" data-end=\"2907\"\u003eHybrid systems combining speaker types\u003c\/li\u003e\n\u003cli data-section-id=\"1189ejj\" data-start=\"2908\" data-end=\"2955\"\u003eSeamless upgrades to existing installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"11i0bsm\" data-start=\"2957\" data-end=\"2991\"\u003eBridge Mode for Maximum Output\u003c\/h3\u003e\n\u003cp data-start=\"2993\" data-end=\"3162\"\u003eThe AURA-4B900 supports bridge mode operation, allowing channel pairs to be combined to deliver up to 2000W into a single output. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3164\" data-end=\"3196\"\u003eThis is particularly useful for:\u003c\/p\u003e\n\u003cul data-start=\"3197\" data-end=\"3317\"\u003e\n\u003cli data-section-id=\"1q4i3bu\" data-start=\"3197\" data-end=\"3222\"\u003eHigh-power mono zones\u003c\/li\u003e\n\u003cli data-section-id=\"14lccde\" data-start=\"3223\" data-end=\"3267\"\u003eLarge open areas requiring increased SPL\u003c\/li\u003e\n\u003cli data-section-id=\"5y9idd\" data-start=\"3268\" data-end=\"3317\"\u003eSubwoofer or high-demand speaker applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3319\" data-end=\"3417\"\u003eThis adaptability allows the amplifier to support both distributed and high-output system designs.\u003c\/p\u003e\n\u003ch3 data-section-id=\"ablxa8\" data-start=\"3419\" data-end=\"3458\"\u003eHigh Efficiency Class-D Performance\u003c\/h3\u003e\n\u003cp data-start=\"3460\" data-end=\"3595\"\u003eUtilising Class-D amplification technology, the AURA-4B900 delivers high output with improved efficiency and reduced heat generation.\u003c\/p\u003e\n\u003cp data-start=\"3597\" data-end=\"3646\"\u003eWith efficiency levels of around 80%, it ensures:\u003c\/p\u003e\n\u003cul data-start=\"3647\" data-end=\"3821\"\u003e\n\u003cli data-section-id=\"akvey9\" data-start=\"3647\" data-end=\"3674\"\u003eLower power consumption\u003c\/li\u003e\n\u003cli data-section-id=\"1e3xfjf\" data-start=\"3675\" data-end=\"3698\"\u003eReduced heat output\u003c\/li\u003e\n\u003cli data-section-id=\"1t9pzzw\" data-start=\"3699\" data-end=\"3753\"\u003eImproved energy efficiency in continuous operation\u003c\/li\u003e\n\u003cli data-section-id=\"194co70\" data-start=\"3754\" data-end=\"3821\"\u003eCompact high-power design \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3823\" data-end=\"3919\"\u003eThis makes it well suited to commercial environments where systems operate for extended periods.\u003c\/p\u003e\n\u003ch3 data-section-id=\"161lops\" data-start=\"3921\" data-end=\"3960\"\u003eAdvanced Protection and Reliability\u003c\/h3\u003e\n\u003cp data-start=\"3962\" data-end=\"4061\"\u003eThe AURA-4B900 includes a comprehensive suite of protection features designed for professional use:\u003c\/p\u003e\n\u003cul data-start=\"4063\" data-end=\"4223\"\u003e\n\u003cli data-section-id=\"15k3rds\" data-start=\"4063\" data-end=\"4085\"\u003eThermal protection\u003c\/li\u003e\n\u003cli data-section-id=\"1cuof0k\" data-start=\"4086\" data-end=\"4127\"\u003eOverload and short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"1pxswtw\" data-start=\"4128\" data-end=\"4152\"\u003eAnti-clipping system\u003c\/li\u003e\n\u003cli data-section-id=\"zown7k\" data-start=\"4153\" data-end=\"4189\"\u003eDC and high-frequency protection\u003c\/li\u003e\n\u003cli data-section-id=\"nppv5k\" data-start=\"4190\" data-end=\"4223\"\u003ePower Factor Correction (PFC)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4225\" data-end=\"4379\"\u003eThese systems ensure stable and reliable operation while protecting both the amplifier and connected loudspeakers. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"4381\" data-end=\"4535\"\u003eAn automatic standby function further enhances efficiency by reducing power consumption when no signal is present. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"10ilxky\" data-start=\"4537\" data-end=\"4565\"\u003eInstaller-Focused Design\u003c\/h3\u003e\n\u003cp data-start=\"4567\" data-end=\"4638\"\u003eDesigned with installation efficiency in mind, the AURA-4B900 includes:\u003c\/p\u003e\n\u003cul data-start=\"4640\" data-end=\"4866\"\u003e\n\u003cli data-section-id=\"1b40xgy\" data-start=\"4640\" data-end=\"4701\"\u003eEuroblock input and output connectors with locking system\u003c\/li\u003e\n\u003cli data-section-id=\"1p8diam\" data-start=\"4702\" data-end=\"4753\"\u003eInput link functionality for simplified routing\u003c\/li\u003e\n\u003cli data-section-id=\"1c9vxh4\" data-start=\"4754\" data-end=\"4809\"\u003eFront-panel volume controls with rear-panel locking\u003c\/li\u003e\n\u003cli data-section-id=\"vhwwe4\" data-start=\"4810\" data-end=\"4866\"\u003eLED indicators for signal, clip, protect, and status\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4868\" data-end=\"4981\"\u003eThese features ensure secure installation, easy configuration, and reliable operation in commercial environments.\u003c\/p\u003e\n\u003ch3 data-section-id=\"7mz27u\" data-start=\"4983\" data-end=\"5019\"\u003eCooling and Continuous Operation\u003c\/h3\u003e\n\u003cp data-start=\"5021\" data-end=\"5182\"\u003eThe amplifier features dual fan cooling, ensuring stable thermal performance even during sustained high-output operation. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"5184\" data-end=\"5283\"\u003eThis makes it suitable for demanding environments where the system is expected to run continuously.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1wnq3ka\" data-start=\"5285\" data-end=\"5307\"\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp data-start=\"5309\" data-end=\"5382\"\u003eThe Ecler AURA-4B900 is widely used across professional AV installations:\u003c\/p\u003e\n\u003cul data-start=\"5384\" data-end=\"5615\"\u003e\n\u003cli data-section-id=\"k9uix\" data-start=\"5384\" data-end=\"5424\"\u003eLarge multi-zone hospitality systems\u003c\/li\u003e\n\u003cli data-section-id=\"pmg6rx\" data-start=\"5425\" data-end=\"5461\"\u003eRetail and shopping centre audio\u003c\/li\u003e\n\u003cli data-section-id=\"hydt1b\" data-start=\"5462\" data-end=\"5501\"\u003eCorporate and conference AV systems\u003c\/li\u003e\n\u003cli data-section-id=\"txztg4\" data-start=\"5502\" data-end=\"5537\"\u003eEducation and campus-wide audio\u003c\/li\u003e\n\u003cli data-section-id=\"4gbahg\" data-start=\"5538\" data-end=\"5575\"\u003ePublic address and paging systems\u003c\/li\u003e\n\u003cli data-section-id=\"1k8aqnn\" data-start=\"5576\" data-end=\"5615\"\u003eIndustrial and leisure environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"5617\" data-end=\"5726\"\u003eIts high power output and multi-channel flexibility make it particularly suited to large-scale installations.\u003c\/p\u003e","brand":"Ecler","offers":[{"title":"Default Title","offer_id":56331384717698,"sku":"ECL-AUR-4B900","price":1609.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/5767\/2578\/files\/AURA4B900Front.png?v=1770638805","url":"https:\/\/www.theavbarn.co.uk\/products\/ecler-aura-4b900-4x900w-100v-class-d-power-amplifier","provider":"The AV Barn","version":"1.0","type":"link"}