{"product_id":"hikvision-c-professional-amplifier-250w-2-channel-ds-qapar25-2","title":"Hikvision-C Professional Amplifier 250W 2-Channel | DS-QAPAR25-2","description":"\u003ch2\u003eHikvision Professional Amplifier 250W 2-Channel | DS-QAPAR25-2\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHikvision DS-QAPAR25-2\u003c\/strong\u003e is a 2-channel Class D professional power amplifier in a 1U rack chassis. It delivers 2 × 250 W into 8 Ω in stereo mode, or 1 × 850 W into 8 Ω in bridge mode, takes balanced XLR line inputs and drives passive loudspeakers through SPEAKON outputs.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0868\/5643\/3971\/files\/ds-qapar25-2-banner-1.jpg?v=1792268088\" alt=\"Hikvision Professional Amplifier 250W 2-Channel | DS-QAPAR25-2\" width=\"1464\" height=\"600\" style=\"width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEfficient Class D Design:\u003c\/strong\u003e A Class D digital amplifier with power efficiency of up to 90%. Less power is wasted as heat, which keeps the unit compact and cooler in a rack.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStereo or Bridge Mode:\u003c\/strong\u003e Run the two channels independently in stereo (2 × 250 W at 8 Ω, 2 × 425 W at 4 Ω) or bridge them into one higher-power output (1 × 850 W at 8 Ω). Front-panel controls set each channel's level, and rear switches select mode, gain and the limiter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWide-Range PFC Power Supply:\u003c\/strong\u003e The PFC switching power supply accepts 90 to 260 VAC at 50\/60 Hz, so the amplifier keeps working through wide mains voltage variation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLow Noise and Distortion:\u003c\/strong\u003e Signal-to-noise ratio of 100 dB or more (A-weighted) and typical THD of 0.01%, with a frequency response of 20 Hz to 20 kHz (+0\/-0.5 dB).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-in Protection:\u003c\/strong\u003e Protection circuits cover over-temperature, DC, short circuit, signal overload, soft start and power-supply over-current, helping protect both the amplifier and the connected speakers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuiet Variable-Speed Cooling:\u003c\/strong\u003e The low-noise variable-speed fan stays silent at low temperatures, which reduces noise in the equipment room.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWho it's for \/ Works with:\u003c\/strong\u003e Sound reinforcement for stages, performance venues and bars that need to drive high-power passive loudspeakers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGood to know:\u003c\/strong\u003e This is a power amplifier only. It needs a line-level source such as a mixing console or audio processor (maximum input level 14 V) and passive loudspeakers connected by SPEAKON cable; the source, speakers and cables are sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003eDS-QAPAR25-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eAmplifier type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003eClass D digital power amplifier, 2 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eRated power (stereo)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e8 Ω: 2 × 250 W; 4 Ω: 2 × 425 W; 2 Ω: 2 × 723 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eRated power (bridge)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e16 Ω: 1 × 500 W; 8 Ω: 1 × 850 W; 4 Ω: 1 × 1445 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eFrequency response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e20 Hz to 20 kHz, +0 dB \/ -0.5 dB (typical, 10% rated output power, 8 Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eTHD\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e0.01% typical (10% rated output power, 1 kHz, 8 Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eSNR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e≥ 100 dB (A-weighted, 20 Hz to 20 kHz, 8 Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eInput impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e20 kΩ balanced, 10 kΩ unbalanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eMaximum input level\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e14 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eInput range (sensitivity \/ gain)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e0.80 V \/ 35 dB; 1.12 V \/ 32 dB; 1.59 V \/ 29 dB; 2.24 V \/ 26 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eFunction switches\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003eBridge mode, Connect mode, Stereo mode, gain selection, limiter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eAudio interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003eXLR inputs, SPEAKON outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003ePower supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e90 to 260 VAC, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eForm factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e1U rack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e483 × 44 × 370 mm (19 × 1.73 × 14.56 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px;\"\u003eApprox. 9 kg (19.84 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e📄 Datasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0868\/5643\/3971\/files\/Hikvision_DS-QAPAR25-2_Datasheet.pdf?v=1792268089\" target=\"_blank\" rel=\"noopener\"\u003eDownload the official Hikvision DS-QAPAR25-2 datasheet (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003cp class=\"seo-meta\"\u003eHikvision cameras available in Jordan at the best price.\u003c\/p\u003e","brand":"Hikvision","offers":[{"title":"Default Title","offer_id":67731523666227,"sku":"DS-QAPAR25-2","price":289.0,"currency_code":"JOD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0868\/5643\/3971\/files\/DS-QAPAR25-2.png?v=1792268161","url":"https:\/\/nasertech.com\/ar\/products\/hikvision-c-professional-amplifier-250w-2-channel-ds-qapar25-2","provider":"متجر نصر","version":"1.0","type":"link"}