{"product_id":"opus-ld1-2-class-d-hearing-loop-amplifier","title":"Opus LD1.2 Class D Hearing Loop Amplifier","description":"\u003ch2\u003eOpus LD1.2 Class D Hearing Loop Amplifier\u003c\/h2\u003e \u003cp\u003eThe Opus LD1.2 is a high-efficiency Class D hearing loop amplifier designed for large-area assisted listening installations. Built to cover up to 600 square meters in a single loop or 300 square meters in a multi-loop configuration, it is well suited for venues that need reliable hearing loop performance with strong audio consistency across broader coverage areas.\u003c\/p\u003e  \u003cp\u003eWith two switchable line or microphone inputs, a priority 100 V input, and integrated audio processing, the LD1.2 is designed for flexible installation in professional environments. Its 2 x 5 A RMS output, built-in compressor, and automatic gain control help maintain clear, controlled audio quality, while status LEDs, fault relay support, and loop verification features add practical monitoring and protection for fixed installations.\u003c\/p\u003e  \u003ch3\u003eKey Features of the Opus LD1.2\u003c\/h3\u003e \u003cul\u003e   \u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency Class D Amplifier:\u003c\/strong\u003e Designed for hearing loop applications that require efficient power delivery and dependable performance.\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eLarge Coverage Capability:\u003c\/strong\u003e Covers up to 600 m² in a single loop configuration and 300 m² in a multi-loop configuration.\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eFlexible Input Configuration:\u003c\/strong\u003e Includes 2 switchable LINE\/Microphone inputs plus 1 priority 100 V input for broader source compatibility.\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eProfessional Connector Options:\u003c\/strong\u003e Supports Phoenix and Combo Neutrik connections for installation flexibility.\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eIntegrated Audio Processing:\u003c\/strong\u003e Features a compressor and AGC to help maintain optimal audio quality.\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eHigh Output Current:\u003c\/strong\u003e Delivers 2 x 5 A RMS output current for demanding loop installations.\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eStatus and Protection Monitoring:\u003c\/strong\u003e Includes LED indicators for Power, Protect 1, Protect 2, and Loop status.\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eFault Relay Support:\u003c\/strong\u003e Provides NO\/NC fault relay functionality for system monitoring.\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eLoop Verification and Protection:\u003c\/strong\u003e Includes open loop verification and thermal protection features.\u003c\/li\u003e \u003c\/ul\u003e  \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e   \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Opus\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e LD1.2\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Class D hearing loop amplifier\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eMaximum Coverage, Single Loop:\u003c\/strong\u003e 600 m²\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eMaximum Coverage, Multi Loop:\u003c\/strong\u003e 300 m²\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eAudio Inputs:\u003c\/strong\u003e 2 x LINE\/Microphone + 1 x 100 V\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eConnector Type:\u003c\/strong\u003e Phoenix and\/or Combo Neutrik\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003ePhantom Supply:\u003c\/strong\u003e 12 V, 2 mA\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e -50 dB microphone\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003ePriority:\u003c\/strong\u003e 100 V input, INPUT 1\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eSlave Input:\u003c\/strong\u003e 6.35 mm jack\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003ePower Supply Type:\u003c\/strong\u003e Integrated\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 115-230 V, 50\/60 Hz\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003ePower Consumption at 1 Ohm:\u003c\/strong\u003e 50 W\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eMaximum Input Power:\u003c\/strong\u003e Less than 500 V AC\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eConsumption at Rest:\u003c\/strong\u003e 14 W at 230 V AC\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eTHD:\u003c\/strong\u003e Less than 0.5%, 1 Ohm, 1 kHz\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eAutomatic Gain Control:\u003c\/strong\u003e Greater than 36 dB\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eBandwidth:\u003c\/strong\u003e 80 Hz to 9.5 kHz\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003ePhase Shift:\u003c\/strong\u003e Included\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eLoop Impedance:\u003c\/strong\u003e 0.5 to 3.0 Ohm\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 34 V RMS (48 pk)\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003ePeak Current:\u003c\/strong\u003e 2 x 8 A\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eRMS Current:\u003c\/strong\u003e 2 x 5 A RMS at 1 kHz\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eLED Display:\u003c\/strong\u003e Power, Protect 1, Protect 2 and Loop\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eVerification:\u003c\/strong\u003e Open loop and thermal protection\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eRelay:\u003c\/strong\u003e NO\/NC fault relay, 0.5 A \/ 125 V AC, 1 A \/ 24 V DC\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 1.65 x 7.87 x 8.46 inches\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 1.56 kg\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0 to 45 °C\u003c\/li\u003e   \u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -30 to 70 °C\u003c\/li\u003e \u003c\/ul\u003e","brand":"Opus","offers":[{"title":"Default Title","offer_id":45922415247557,"sku":"OPUS-LD12","price":1895.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0630\/3085\/3829\/files\/e5e8452534096a43682cf335b3fe1f70.jpg?v=1772488569","url":"https:\/\/avlgear.com\/products\/opus-ld1-2-class-d-hearing-loop-amplifier","provider":"AVLGEAR","version":"1.0","type":"link"}