{"product_id":"bosch-prs-4p125-eu-power-amplifier-new-in-box","title":"Bosch PRS-4P125-EU Power Amplifier","description":"\u003ch3 data-section-id=\"jb6534\" data-start=\"134\" data-end=\"194\"\u003eBosch PRS-4P125-EU Power Amplifier\u003c\/h3\u003e\n\u003cp data-start=\"196\" data-end=\"502\"\u003eThe \u003cstrong data-start=\"200\" data-end=\"222\"\u003eBosch PRS-4P125-EU\u003c\/strong\u003e is a professional 4-channel power amplifier from the \u003cstrong data-start=\"276\" data-end=\"327\"\u003ePraesideo public address and voice alarm system\u003c\/strong\u003e. It is designed for high-reliability audio distribution in critical environments such as airports, transportation hubs, industrial facilities, and large commercial buildings.\u003c\/p\u003e\n\u003cp data-start=\"504\" data-end=\"645\"\u003eEach channel delivers independent amplification with full system supervision, making it suitable for EN54-compliant voice evacuation systems.\u003c\/p\u003e\n\u003chr data-start=\"647\" data-end=\"650\"\u003e\n\u003ch3 data-section-id=\"1iz91iu\" data-start=\"652\" data-end=\"668\"\u003eKey Features\u003c\/h3\u003e\n\u003cul data-start=\"670\" data-end=\"1157\"\u003e\n\u003cli data-section-id=\"1bn06co\" data-start=\"670\" data-end=\"721\"\u003e\u003cstrong data-start=\"672\" data-end=\"719\"\u003e4 independent amplifier channels (4 × 125W)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli data-section-id=\"1rhuc1r\" data-start=\"722\" data-end=\"808\"\u003eDesigned for \u003cstrong data-start=\"737\" data-end=\"768\"\u003e100V \/ 70V \/ 50V PA systems\u003c\/strong\u003e \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1n5fekz\" data-start=\"809\" data-end=\"860\"\u003eFull amplifier and loudspeaker line supervision\u003c\/li\u003e\n\u003cli data-section-id=\"x0t185\" data-start=\"861\" data-end=\"904\"\u003eAutomatic fault detection and reporting\u003c\/li\u003e\n\u003cli data-section-id=\"nutfyx\" data-start=\"905\" data-end=\"955\"\u003eSpare amplifier switching (redundancy support)\u003c\/li\u003e\n\u003cli data-section-id=\"ajnc8z\" data-start=\"956\" data-end=\"1007\"\u003eBuilt-in audio processing and delay per channel\u003c\/li\u003e\n\u003cli data-section-id=\"eoz1vo\" data-start=\"1008\" data-end=\"1103\"\u003eIntegrated pilot-tone monitoring for system integrity \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"y8fur6\" data-start=\"1104\" data-end=\"1157\"\u003eRedundant network connection for high reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1159\" data-end=\"1162\"\u003e\n\u003ch3 data-section-id=\"nucr17\" data-start=\"1164\" data-end=\"1192\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-start=\"1194\" data-end=\"1372\"\u003e\n\u003cli data-section-id=\"1upflbi\" data-start=\"1194\" data-end=\"1221\"\u003e\n\u003cstrong data-start=\"1196\" data-end=\"1206\"\u003eModel:\u003c\/strong\u003e PRS-4P125-EU\u003c\/li\u003e\n\u003cli data-section-id=\"1g60bsg\" data-start=\"1222\" data-end=\"1269\"\u003e\n\u003cstrong data-start=\"1224\" data-end=\"1233\"\u003eType:\u003c\/strong\u003e 4-channel network power amplifier\u003c\/li\u003e\n\u003cli data-section-id=\"jdynco\" data-start=\"1270\" data-end=\"1372\"\u003e\n\u003cstrong data-start=\"1272\" data-end=\"1289\"\u003ePower Output:\u003c\/strong\u003e 4 × 125 W (total 500 W system power class) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1374\" data-end=\"1398\"\u003e\u003cstrong data-start=\"1374\" data-end=\"1398\"\u003eAudio \u0026amp; Performance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1399\" data-end=\"1578\"\u003e\n\u003cli data-section-id=\"l30534\" data-start=\"1399\" data-end=\"1445\"\u003eFrequency Response: approx. 50 Hz – 20 kHz\u003c\/li\u003e\n\u003cli data-section-id=\"1w61vwd\" data-start=\"1446\" data-end=\"1479\"\u003eSignal-to-Noise Ratio: \u0026gt;85 dB\u003c\/li\u003e\n\u003cli data-section-id=\"gnrbzd\" data-start=\"1480\" data-end=\"1533\"\u003eLow distortion with high-efficiency amplification\u003c\/li\u003e\n\u003cli data-section-id=\"1dv8im0\" data-start=\"1534\" data-end=\"1578\"\u003eIndependent channel processing and delay\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1580\" data-end=\"1601\"\u003e\u003cstrong data-start=\"1580\" data-end=\"1601\"\u003eInputs \/ Outputs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1602\" data-end=\"1802\"\u003e\n\u003cli data-section-id=\"jfbyou\" data-start=\"1602\" data-end=\"1622\"\u003e2 × audio inputs\u003c\/li\u003e\n\u003cli data-section-id=\"xmx8gb\" data-start=\"1623\" data-end=\"1716\"\u003e4 × amplified outputs (100V \/ 70V \/ 50V selectable) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1a4m06d\" data-start=\"1717\" data-end=\"1739\"\u003e8 × control inputs\u003c\/li\u003e\n\u003cli data-section-id=\"lspe68\" data-start=\"1740\" data-end=\"1763\"\u003e4 × control outputs\u003c\/li\u003e\n\u003cli data-section-id=\"1dym0cl\" data-start=\"1764\" data-end=\"1802\"\u003eSpare amplifier connection support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1804\" data-end=\"1807\"\u003e\n\u003ch3 data-section-id=\"wo71aq\" data-start=\"1809\" data-end=\"1829\"\u003eSystem Functions\u003c\/h3\u003e\n\u003cul data-start=\"1831\" data-end=\"2085\"\u003e\n\u003cli data-section-id=\"1o20kig\" data-start=\"1831\" data-end=\"1861\"\u003eContinuous self-monitoring\u003c\/li\u003e\n\u003cli data-section-id=\"5ppuy5\" data-start=\"1862\" data-end=\"1917\"\u003eLoudspeaker line supervision (open\/short detection)\u003c\/li\u003e\n\u003cli data-section-id=\"rp1biy\" data-start=\"1918\" data-end=\"1946\"\u003eAutomatic volume control\u003c\/li\u003e\n\u003cli data-section-id=\"1yq0ljc\" data-start=\"1947\" data-end=\"1988\"\u003eFault reporting to central controller\u003c\/li\u003e\n\u003cli data-section-id=\"t8prr3\" data-start=\"1989\" data-end=\"2085\"\u003eRedundant loop network support for fail-safe operation \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2087\" data-end=\"2090\"\u003e\n\u003ch3 data-section-id=\"1czdedd\" data-start=\"2092\" data-end=\"2112\"\u003ePower \u0026amp; Hardware\u003c\/h3\u003e\n\u003cul data-start=\"2114\" data-end=\"2335\"\u003e\n\u003cli data-section-id=\"uabkuz\" data-start=\"2114\" data-end=\"2200\"\u003e\n\u003cstrong data-start=\"2116\" data-end=\"2133\"\u003ePower Supply:\u003c\/strong\u003e 115\/230V AC ±10%, 50\/60 Hz \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ulnch6\" data-start=\"2201\" data-end=\"2251\"\u003e\n\u003cstrong data-start=\"2203\" data-end=\"2220\"\u003eBackup Power:\u003c\/strong\u003e 48V DC battery input support\u003c\/li\u003e\n\u003cli data-section-id=\"73of64\" data-start=\"2252\" data-end=\"2292\"\u003e\n\u003cstrong data-start=\"2254\" data-end=\"2270\"\u003eForm Factor:\u003c\/strong\u003e 19” rack mount (2U)\u003c\/li\u003e\n\u003cli data-section-id=\"12r9meo\" data-start=\"2293\" data-end=\"2335\"\u003e\n\u003cstrong data-start=\"2295\" data-end=\"2307\"\u003eCooling:\u003c\/strong\u003e Forced ventilation system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2337\" data-end=\"2340\"\u003e\n\u003ch3 data-section-id=\"wggvqn\" data-start=\"2342\" data-end=\"2358\"\u003eApplications\u003c\/h3\u003e\n\u003cul data-start=\"2360\" data-end=\"2511\"\u003e\n\u003cli data-section-id=\"c33vg0\" data-start=\"2360\" data-end=\"2390\"\u003eVoice alarm (EN54) systems\u003c\/li\u003e\n\u003cli data-section-id=\"whggcj\" data-start=\"2391\" data-end=\"2424\"\u003eAirports and railway stations\u003c\/li\u003e\n\u003cli data-section-id=\"v68rn3\" data-start=\"2425\" data-end=\"2458\"\u003eShopping centers and stadiums\u003c\/li\u003e\n\u003cli data-section-id=\"p9p65o\" data-start=\"2459\" data-end=\"2484\"\u003eIndustrial facilities\u003c\/li\u003e\n\u003cli data-section-id=\"mknh81\" data-start=\"2485\" data-end=\"2511\"\u003eLarge public buildings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2513\" data-end=\"2516\"\u003e\n\u003ch3 data-section-id=\"vx82wf\" data-start=\"2518\" data-end=\"2543\"\u003eAdvantages for Buyers\u003c\/h3\u003e\n\u003cul data-start=\"2545\" data-end=\"2794\"\u003e\n\u003cli data-section-id=\"i96tqh\" data-start=\"2545\" data-end=\"2601\"\u003eExtremely reliable \u003cstrong data-start=\"2566\" data-end=\"2599\"\u003emission-critical PA amplifier\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6h4q5x\" data-start=\"2602\" data-end=\"2649\"\u003eFull system supervision and fault detection\u003c\/li\u003e\n\u003cli data-section-id=\"1n8lupa\" data-start=\"2650\" data-end=\"2707\"\u003eDesigned for \u003cstrong data-start=\"2665\" data-end=\"2705\"\u003elife-safety voice evacuation systems\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"h7nte4\" data-start=\"2708\" data-end=\"2755\"\u003eScalable for large multi-zone installations\u003c\/li\u003e\n\u003cli data-section-id=\"1t45xmj\" data-start=\"2756\" data-end=\"2794\"\u003eIndustrial-grade Bosch engineering\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Digital Shop","offers":[{"title":"Default Title","offer_id":53679324365166,"sku":null,"price":2500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6696\/1518\/files\/IMG_20250805_154548.jpg?v=1777386800","url":"https:\/\/dykenshop.com\/products\/bosch-prs-4p125-eu-power-amplifier-new-in-box","provider":"Digital Shop","version":"1.0","type":"link"}