{"product_id":"hikvision-ds-qaps4u20-2","title":"Hikvision DS-QAPS4U20-2 2.25\" Network Linear Speaker Column - 200W","description":"\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eDownloads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003ch2 style=\"text-align: center;\"\u003eProfessional Network Audio with Precision Beam Steering\u003c\/h2\u003e\n\u003cp style=\"text-align: center;\"\u003eDigital controllable beam linear audio column, designed with 16 × 2.25\" neodymium magnet units, equipped with onboard DSP and built-in amplifier\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eDigital controllable vertical beam direction, with 160° horizontal coverage, flexible for different room layouts\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eSupport various beam control algorithms, including beam pitch angle, beam width, multi-beam design, and sound and color balance, and custom adjustment of sound field to provide optimal sound listening experience in multiple spaces\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eBuilt-in multiple audio algorithms, including mixing, equalizer, and noise reduction, providing excellent audio performance\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eSupport AES67 international standard transmission protocol (subsequent versions will support AES67 third-party compatibility), effectively ensuring low-latency and high-synchronization transmission for the network audio system\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eSupport device activation, network setting, routing setting, parameter setting, and other related operations via audio assistant tool\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; table-layout:fixed; font-family:Arial, sans-serif; font-size:14px;\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd colspan=\"4\" style=\"padding:10px; border:1px solid #ddd; background:#eeeeee; font-weight:bold;\"\u003eSpeaker\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"width:20%; padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eImpedance\u003c\/td\u003e \u003ctd style=\"width:30%; padding:10px; border:1px solid #ddd;\"\u003e6 Ω\u003c\/td\u003e \u003ctd style=\"width:20%; padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eChannel Amount\u003c\/td\u003e \u003ctd style=\"width:30%; padding:10px; border:1px solid #ddd;\"\u003eMono\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eRated Power\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e200 W\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eTotal Harmonic Distortion (THD)\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e\u0026lt;3% @ 1 kHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eSensitivity (1 m, 1 W)\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e89 dB @ 1 m, 1 W\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eAudio In\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eLINE IN × 1, Green Phoenix Terminal\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eF0\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e110 Hz\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eNoise Floor\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e(A-weighted): \u0026lt;200 µV\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eMaximum Sound Pressure Level\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e116 dB (1 m)\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eFrequency Response\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e(-3 dB): 125 Hz to 16 kHz\u003cbr\u003e(-10 dB): 100 Hz to 18 kHz\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eSampling Rate\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e48 kHz\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eQuantization Bits\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e24 bit\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eSpeaker Unit\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e2.25-inch Neodymium Full-Range Speaker\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eCoverage Angle\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e160° (H) × ±30° (V)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eBeamwidth\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eAdjustable between 10° and 50°, with a tuning step of 4°\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eDirectivity Angle\u003c\/td\u003e \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eAdjustable within ±30°, with a tuning step of 5°\u003c\/td\u003e \u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd colspan=\"4\" style=\"padding:10px; border:1px solid #ddd; background:#eeeeee; font-weight:bold;\"\u003eFunction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eAudio Algorithm\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eCOMP, Delay, Mixing, ALC, PEQ, Noise Gate, Beam Control\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eProtection Function\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003ePower reverse protection, overcurrent protection, overvoltage protection, overload protection, PA thermal protection, PA short-circuit protection, PA output overvoltage protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n  \u003ctd colspan=\"4\" style=\"padding:10px; border:1px solid #ddd; background:#eeeeee; font-weight:bold;\"\u003eNetwork\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eNetwork Protocol\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eAES67, TCP\/IP, ICMP, HTTP, HTTPS, DNS, RTP, RTSP, RTCP, NTP, QoS, UDP, SSL\/TLS, IEEE1588\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eInterface Protocol (API)\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eOTAP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eNetwork Security\u003c\/td\u003e\n  \u003ctd colspan=\"3\" style=\"padding:10px; border:1px solid #ddd;\"\u003ePassword protection, complicated password, HTTPS encryption, basic and digest authentication for HTTP\/HTTPS, security audit log, TLS 1.2\/1.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n  \u003ctd colspan=\"4\" style=\"padding:10px; border:1px solid #ddd; background:#eeeeee; font-weight:bold;\"\u003eInterface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eNetwork Interface\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eRJ45 1000 M Ethernet port × 1\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eLocal Storage\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eBuilt-in 4 GB EMMC × 1, 1 GB DDR4 × 1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eAudio In\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eLINE IN × 1, Green Phoenix connector\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eAudio Out\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eNetwork output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eLED Indicator\u003c\/td\u003e\n  \u003ctd colspan=\"3\" style=\"padding:10px; border:1px solid #ddd;\"\u003e\n    \u003cstrong\u003eDevice Indicator:\u003c\/strong\u003e Red and white\u003cbr\u003e\u003cbr\u003e\n    \u003cstrong\u003eLight Off:\u003c\/strong\u003e The device is not powered on. The program is not started.\u003cbr\u003e\n    \u003cstrong\u003eBreathing White:\u003c\/strong\u003e The device is powering on and initializing.\u003cbr\u003e\n    \u003cstrong\u003eSolid White:\u003c\/strong\u003e The device is running normally.\u003cbr\u003e\n    \u003cstrong\u003eFlashing White:\u003c\/strong\u003e Device recognition is in progress. When there are multiple devices in the system, click Identify Device on the client.\u003cbr\u003e\n    \u003cstrong\u003eFlashing Red:\u003c\/strong\u003e Device fault.\u003cbr\u003e\u003cbr\u003e\n    \u003cstrong\u003eAnalog Audio Indicator:\u003c\/strong\u003e Red, yellow, and green\u003cbr\u003e\u003cbr\u003e\n    \u003cstrong\u003eLight Off:\u003c\/strong\u003e Less than -60 dBFS\u003cbr\u003e\n    \u003cstrong\u003eGreen:\u003c\/strong\u003e -59 dBFS to -24 dBFS\u003cbr\u003e\n    \u003cstrong\u003eYellow:\u003c\/strong\u003e -23 dBFS to -1 dBFS\u003cbr\u003e\n    \u003cstrong\u003eRed:\u003c\/strong\u003e No less than 0 dBFS\n  \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eReset\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eSupport\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003e\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n  \u003ctd colspan=\"4\" style=\"padding:10px; border:1px solid #ddd; background:#eeeeee; font-weight:bold;\"\u003eCompatibility\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eSystem Requirement\u003c\/td\u003e\n  \u003ctd colspan=\"3\" style=\"padding:10px; border:1px solid #ddd;\"\u003e\n    Recommended system configuration for Audio Assistant Tool:\u003cbr\u003e\u003cbr\u003e\n    \u003cstrong\u003eOperating System:\u003c\/strong\u003e Windows® 10 recommended; compatible with Windows® 7, Windows® 8.1, and Windows® 11\u003cbr\u003e\n    \u003cstrong\u003eCPU:\u003c\/strong\u003e Intel® i3-9100 @ 4.2 GHz or above\u003cbr\u003e\n    \u003cstrong\u003eRAM:\u003c\/strong\u003e 4 GB and above\u003cbr\u003e\n    \u003cstrong\u003eVideo Card:\u003c\/strong\u003e GT1030 D5\u003cbr\u003e\n    \u003cstrong\u003eHDD:\u003c\/strong\u003e 20 GB\u003cbr\u003e\n    \u003cstrong\u003eDisplay:\u003c\/strong\u003e 1920 × 1080 and above\n  \u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n  \u003ctd colspan=\"4\" style=\"padding:10px; border:1px solid #ddd; background:#eeeeee; font-weight:bold;\"\u003eGeneral\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003ePower\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eAC 220 V, 2.1 A, 50 Hz\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eMaterial\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eEnclosure: Metal; Top cover: Metal; Bracket 1: Metal; Bracket 2: Plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eDimension\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e990.6 mm × 111.5 mm × 138 mm (39\" × 4.39\" × 5.43\")\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eWeight\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eApprox. 8.8 kg (19.4 lb.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eOperating Condition\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e-10°C to 45°C (14°F to 113°F), humidity 90% or less (non-condensing)\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003ePackage Dimension\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003e1145 mm × 252 mm × 308 mm (45.08\" × 9.92\" × 12.13\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eWith Package Weight\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eApprox. 11.2 kg (24.7 lb.)\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eColor\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eGrey\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eInstallation\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eWall mounting, wall thickness ≥75 mm (2.95\")\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eSystem Language\u003c\/td\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd;\"\u003eEnglish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n  \u003ctd style=\"padding:10px; border:1px solid #ddd; background:#f9f9f9; font-weight:bold;\"\u003eMounting Bracket\u003c\/td\u003e\n  \u003ctd colspan=\"3\" style=\"padding:10px; border:1px solid #ddd;\"\u003eIncluded: Wall mount bracket; adjustable-angle wall mount bracket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e \u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; height: 94.5px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: rgb(242, 242, 242); font-weight: bold; height: 33.9722px;\"\u003e\n\u003cth style=\"border: 1px solid rgb(221, 221, 221); padding: 10px; height: 33.9722px;\"\u003eDescription\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(221, 221, 221); padding: 10px; text-align: center; height: 33.9722px;\"\u003eDownloads\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 60.5278px;\"\u003e\n\u003ctd style=\"background-color: rgb(249, 249, 249); border: 1px solid rgb(221, 221, 221); padding: 10px; height: 60.5278px;\"\u003eDatasheet\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 10px; text-align: center; height: 60.5278px;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0581\/5556\/5242\/files\/DS-QAPS4U20-2_Datasheet_20250401.pdf?v=1784914305\" title=\"Datasheet\"\u003eDownload\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 60.5278px;\"\u003e\n\u003ctd style=\"background-color: rgb(249, 249, 249); border: 1px solid rgb(221, 221, 221); padding: 10px; height: 60.5278px;\"\u003eUser Manual\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 10px; text-align: center; height: 60.5278px;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0581\/5556\/5242\/files\/UD41939B_Audio_Assistant_User_Manual_V_1.3.0_20250311_cb094bbf-56ff-4f85-99af-9f55269f0c56.pdf?v=1784914305\" title=\"User Manual\"\u003eDownload\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 60.5278px;\"\u003e\n\u003ctd style=\"background-color: rgb(249, 249, 249); border: 1px solid rgb(221, 221, 221); padding: 10px; height: 60.5278px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid rgb(221, 221, 221); padding: 10px; text-align: center; height: 60.5278px;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0581\/5556\/5242\/files\/DS-QAPS4U20-2_Dimensionsimage_1.png?v=1784914303\" title=\"Dimensions\"\u003eDownload\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hikvision","offers":[{"title":"Default Title","offer_id":46194484773050,"sku":"DS-QAPS4U20-2","price":1161.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0581\/5556\/5242\/files\/HikvisionDS-QAPS4U20-22.25NetworkLinearSpeakerColumn-200W_1.png?v=1784914460","url":"https:\/\/screenmoove.com\/products\/hikvision-ds-qaps4u20-2","provider":"Screen Moove","version":"1.0","type":"link"}