{"product_id":"toa-electronics-a-824d-digital-mixer-amplifier-240w-8-input-dual-zone-output","title":"TOA Electronics A‑824D Digital Mixer Amplifier – 240W, 8‑Input, Dual‑Zone Output","description":"\u003ch2\u003eDigital Mixer Amplifier – A-824D\u003c\/h2\u003e\u003cp\u003eThe TOA A‑824D Digital Mixer Amplifier from the 800D Series delivers powerful, versatile audio performance for paging, announcements, and background music applications. Designed for efficiency and reliability, it features Class D amplification, onboard DSP, flexible input options, and advanced control capabilities—making it ideal for schools, offices, supermarkets, and commercial facilities.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Efficiency Class D Amplification:\u003c\/strong\u003e Provides powerful output with reduced power consumption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto Gain Control:\u003c\/strong\u003e Maintains consistent microphone levels for clear and stable audio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated DSP:\u003c\/strong\u003e Includes Dynamic Feedback Filters, 3‑band parametric EQ, and input tone controls.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible Input Configuration:\u003c\/strong\u003e 4 mic inputs, 2 aux inputs, and 2 modular slots for 900 Series modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssignable Input Priorities:\u003c\/strong\u003e Allows paging to override background audio when needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable Pre‑Announce Chime:\u003c\/strong\u003e 1‑note, 2‑note, or 4‑note ascending.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Monitoring:\u003c\/strong\u003e Log data support and IP protocol connectivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Input Buses:\u003c\/strong\u003e AUDIO and DUCK buses for automatic ducking and routing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ch4\u003ePower\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e 120 V AC, 60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRated Output:\u003c\/strong\u003e 240 W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Consumption:\u003c\/strong\u003e 317 W (rated), 62 W (UL62368), 200 mA or less (power switch OFF)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAudio Performance\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 50 Hz – 20 kHz ±3 dB (1\/8 rated output)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDistortion:\u003c\/strong\u003e 1% or less at 1 kHz, rated power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTone Control:\u003c\/strong\u003e Bass ±10 dB at 100 Hz, Treble ±10 dB at 10 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal to Noise Ratio:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e88 dB or more (Master volume: min)\u003c\/li\u003e\n\u003cli\u003e76 dB or more (Master volume: max)\u003c\/li\u003e\n\u003cli\u003e55 dB or more (Inputs 1–6, A‑weighted)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAudio Inputs\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput 1 \u0026amp; 2:\u003c\/strong\u003e –60 dB (MIC) \/ –20 dB (LINE) selectable, 600 Ω, electronically balanced; 24V phantom power (switchable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput 3 \u0026amp; 4:\u003c\/strong\u003e –60 dB, 600 Ω, electronically balanced; 24V phantom power (switchable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput 5 \u0026amp; 6:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIC:\u003c\/strong\u003e –60 dB, 600 Ω, balanced\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLINE:\u003c\/strong\u003e –20 dB, 10 kΩ, unbalanced RCA (x2)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule 1 \u0026amp; 2:\u003c\/strong\u003e –20 dB, 10 kΩ\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Amp In:\u003c\/strong\u003e 0 dB, 600 Ω, unbalanced RCA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eInput Bus\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eInputs 1–4: AUDIO\u003c\/li\u003e\n\u003cli\u003eInputs 5–6: AUDIO \/ DUCK selectable\u003c\/li\u003e\n\u003cli\u003eModules 1–2: AUDIO \/ DUCK selectable\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eAudio Outputs\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeaker Out:\u003c\/strong\u003e 70 V line \/ 21 Ω or 4–16 Ω, removable terminal block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eREC Out:\u003c\/strong\u003e 0 dB, 600 Ω, RCA (x2)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre Amp Out:\u003c\/strong\u003e 0 dB, 600 Ω, RCA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eControl Inputs \u0026amp; Outputs\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl Input:\u003c\/strong\u003e 4 channels, no‑voltage contact input (35 V DC max)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote Volume:\u003c\/strong\u003e Terminal block (4‑pin)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Remote Output:\u003c\/strong\u003e Open collector, 30 V DC max, 25 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmergency Output:\u003c\/strong\u003e Open collector, 30 V DC max, 25 mA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eChime \u0026amp; Indicators\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChime:\u003c\/strong\u003e 1‑note, 2‑note, 4‑note ascending, or none\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicators:\u003c\/strong\u003e 5‑point LED meter, Power, LAN, Priority, Emergency, Thermal, Over‑current, CPU RUN, Error\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eEnvironmental\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e –10°C to +40°C (14°F to 104°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Humidity:\u003c\/strong\u003e Up to 85% RH (no condensation)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eConstruction\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePanel:\u003c\/strong\u003e ABS resin, black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase:\u003c\/strong\u003e Surface‑treated steel, black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 420 × 96.1 × 313.1 mm (16.54\" × 3.78\" × 12.33\")\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 5.2 kg (11.46 lb)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eIncluded Accessories\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ePower cord (2 m)\u003c\/li\u003e\n\u003cli\u003eAudio input terminal plugs (3‑pin × 6)\u003c\/li\u003e\n\u003cli\u003eControl input terminal plugs (4‑pin × 2)\u003c\/li\u003e\n\u003cli\u003eRemote control terminal plugs (4‑pin × 2)\u003c\/li\u003e\n\u003cli\u003eSpeaker output terminal plug (3‑pin × 1)\u003c\/li\u003e\n\u003cli\u003eVolume control covers (×4)\u003c\/li\u003e\n\u003cli\u003eRack mounting brackets (×2)\u003c\/li\u003e\n\u003cli\u003eM4 screws (×4) \u0026amp; washers (×4)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TOA Electronics","offers":[{"title":"Default Title","offer_id":52618566697239,"sku":"TOAA824D","price":1320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/5859\/7655\/files\/TOAA824D.jpg?v=1775140941","url":"https:\/\/shop.avispl.com\/products\/toa-electronics-a-824d-digital-mixer-amplifier-240w-8-input-dual-zone-output","provider":"AVI-SPL Shop","version":"1.0","type":"link"}