{"product_id":"quest-qx1280-single-channel-amplifier-end-of-line-clearance","title":"Quest - QX1280 - Single Channel Amplifier ***END OF LINE CLEARANCE***","description":"\u003ch1 class=\"subline\"\u003e\n\u003cstrong class=\"brand-colour\"\u003eQX-280 Series\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCorporate Power\u003c\/h1\u003e\u003cp\u003eStudio quality sound and plenty of channels - the QX-280 Series is available in a wide range of single and multi-channel configurations. Specifically designed for AV installations and high end commercial sound, where hi-fidelity audio is required.\u003c\/p\u003e\u003cp\u003ePowered the latest in quality, energy efficient, Class D amplifiers; the QX-280 Series amplifiers can be integrated into both low impedance, and 70\/100V line installations without compromise \u003c\/p\u003e\u003cdiv class=\"item-column item-column-nested\" id=\"introduction\"\u003e\n\u003ch2\u003eA Closer Look\u003c\/h2\u003e\n\u003cp\u003eThe QX-280 range consists of three, separate 280 Watt per channel models, available as single, two channel, and four channel variants.\u003c\/p\u003e\n\u003cp\u003eAudio quality is studio class in both high and low impedance operation. High quality class D amplifier technology makes it possible to have a compact single rack format with the right combination of power and channel density.\u003c\/p\u003e\n\u003cp\u003eThe transformerless outputs deliver full range audio to all impedance loads from 4Ω to 70\/100V systems. Each amplifier channel has a selectable 80 Hz high-pass filter (selectable via a swith located on the rear panel), and a volume control for each channel that can be accessed directly from the front panel. Each amplifier channel is also provided with a thermally controlled cooling fan.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"item-column  item-column-nested clearfix\"\u003e\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHigh Efficiency Class-D Amplifier(s)\u003c\/li\u003e\n\u003cli\u003e70\/100V or Low Impedance Operation\u003c\/li\u003e\n\u003cli\u003eCompact 1RU Chassis\u003c\/li\u003e\n\u003cli\u003eAuto-Sleep Function\u003c\/li\u003e\n\u003cli\u003eSelectable 80Hz High Pass Filter\u003c\/li\u003e\n\u003cli\u003eBuilt-In Limiter Circuit\u003c\/li\u003e\n\u003cli\u003eThermally Controlled Fans\u003c\/li\u003e\n\u003cli\u003eAC power range 85-265VAC 50\/60Hz.\u003c\/li\u003e\n\u003cli\u003eErP (1275\/2008\/EC) compliant standby consumption \u0026lt; 0.5W (*per channel)\u003c\/li\u003e\n\u003cli\u003eAvailable in 1, 2 or 4 Channel Models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEnergy Conserver\u003c\/h2\u003e\n\u003cp\u003eWhether awake or asleep, the QX-280 amplifiers are not hungry for power. The amplifier functions across the power range at an 89.5% efficiency rate.\u003c\/p\u003e\n\u003cp\u003eWith a sleep mode mains current draw of less than 0.5 watts per amplifier channel. This is a great benefit for venues with a high amplifier channel count.\u003c\/p\u003e\n\u003cp\u003eThe automatic standby functionality mutes an individual amplifier channel after no signal has been detected for 10mins or more; and will put the amplifier into sleep a mode after 30mins. Automatic standby can be turned on and off for individual channels via a switch located on the rear panel.\u003c\/p\u003e\n\u003cp\u003eThe operational voltage range of the QX-280 Series is also wide – from 85 to 265VAC, and no manual switching is required for high and low impedance operation. This is a great reliability benefit for installations subject to inconsistent mains supply.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eMade in Australia\u003c\/h2\u003e\n\u003cp\u003eLike all Quest products, the QX-280 Series is made to survive in a tough world.\u003c\/p\u003e\n\u003cp\u003eAustralian QC and advanced design engineering mean years of trouble free service in professional applications. The QX-280 Series provides a price\/performance ratio that is hard to beat.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" class=\"specs specs-full-width clear\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e25A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTHD+N \u003cspan class=\"specs-small\"\u003e(1kHz @ 1W \/ 1kHz ½ Rated Power)\u003c\/span\u003e \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e0.022% \/ 0.015%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDynamic Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e119dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Resistance \u003cspan class=\"specs-small\"\u003e(1kHz)\u003c\/span\u003e \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e43.6mΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePeak Output Voltage \u003cspan class=\"specs-small\"\u003e(unloaded)\u003c\/span\u003e \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e±140V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd rowspan=\"4\"\u003e\u003cstrong\u003ePower Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4Ω\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e280W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8Ω\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e245W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e70V\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e250W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100V\u003c\/td\u003e\n\u003ctd colspan=\"2\"\u003e240W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDC Offset\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e±7mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFrequency Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e±0.1dB 20Hz - 20kHz\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"specs-small\"\u003e(1st order 22kHz LPF)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Gain \u003cspan class=\"specs-small\"\u003e(@ 1kHz)\u003c\/span\u003e \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd colspan=\"3\"\u003e32dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" class=\"specs specs-full-width clear\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd align=\"center\" colspan=\"2\"\u003e\u003cstrong\u003eMechanical Specifications\u003c\/strong\u003e\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eQX1280 - 4.5kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGross Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003eQX1280 - 7.1kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions \u003cspan class=\"specs-small\"\u003e(H x W x D)\u003c\/span\u003e \u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e44 x 485 x 304mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Connections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e3-Way 5.08mm Captive Screw Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Connections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e2-Way 5.08mm Locking Captive Screw Connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMains Power Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eIEC C14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMains Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e85 - 265VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Quest Engineering","offers":[{"title":"Default Title","offer_id":47910274990325,"sku":"QX1280","price":2061.99,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0048\/9940\/5888\/files\/3688_Image1.jpg?v=1774999570","url":"https:\/\/www.livesound.co.nz\/products\/quest-qx1280-single-channel-amplifier-end-of-line-clearance","provider":"Livesound","version":"1.0","type":"link"}