{"product_id":"adastra-a4-dual-stereo-pa-amplifier","title":"Adastra A4 Dual Stereo PA Amplifier","description":"\u003cp\u003e\u003cstrong\u003eAdastra A4 Dual Stereo PA Amplifier\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eFully featured PA amplifier with 2 independent stereo zone outputs and mixer section for 2 microphones and a stereo audio source. An inbuilt media player section offers playback of mp3 audio tracks from USB drive or SD card. It also has a Bluetooth receiver. A rotary switch for each output zone selects the stereo playback audio from a choice of 2 rear stereo inputs, a front 3.5mm stereo input or the built-in media player. Mic inputs 1 and 2 are live to both output zones at all times. 2 pairs of speaker connections on the rear panel are via 4mm binding posts, which can drive up to 2 x 8 Ohm speakers on each of the 4 channels. Designed to offer installers a comprehensive dual zone PA for bars, restaurants and function rooms.\u003c\/p\u003e\u003cp\u003eThis is a practical option if you need a stereo amplifiers with clearly specified features and straightforward compatibility. The details below come from AVSL's current product information, so you can check the connections, size and performance before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat Is It Actually For?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt is designed for independent stereo playback to 2 separate zones. The remaining features make it useful where you want a tidy, dependable setup without unnecessary complication.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy Choose This One?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe A4 gives you a sensibly specified stereo amplifiers from Adastra. It is worth considering when you want the stated specification without paying for features that may not be relevant to your setup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWho Is It For?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis is aimed at home users, installers, performers, schools, venues and production teams who need a suitable stereo amplifiers. Suitability will depend on the connections and specification your system requires, so those are worth checking carefully.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIndependent stereo playback to 2 separate zones\u003c\/li\u003e\n\u003cli\u003eMedia player with USB\/SD playback\u003c\/li\u003e\n\u003cli\u003eBluetooth receiver\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eAdastra\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eA4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSKU\u003c\/th\u003e\n\u003ctd\u003e953.404UK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEAN\u003c\/th\u003e\n\u003ctd\u003e5015972203132\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower supply\u003c\/th\u003e\n\u003ctd\u003e230Vac, 50Hz (IEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplifier : construction\u003c\/th\u003e\n\u003ctd\u003eClass D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMicrophone inputs\u003c\/th\u003e\n\u003ctd\u003e2 x 6.3mm jack (mono)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAuxiliary input\u003c\/th\u003e\n\u003ctd\u003e3.5mm stereo jack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLine inputs\u003c\/th\u003e\n\u003ctd\u003eLine 1: L+R (6.3mm jack\/RCA), Line 2: L+R (RCA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAudio source\u003c\/th\u003e\n\u003ctd\u003eUSB\/SD mp3 playback, BT receiver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAntenna connection\u003c\/th\u003e\n\u003ctd\u003eF type (FM tuner)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput controls\u003c\/th\u003e\n\u003ctd\u003eAux, Media, Line1, Line2, Mic1, Mic2, Talkover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLine output\u003c\/th\u003e\n\u003ctd\u003e4 x RCA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpeaker outputs\u003c\/th\u003e\n\u003ctd\u003e4mm binding posts (4 channels)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput controls\u003c\/th\u003e\n\u003ctd\u003e2 x source select, 2 xBass, 2 xTreble, Ch1, Ch2, Ch3, Ch4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection\u003c\/th\u003e\n\u003ctd\u003eThermal, over-current, over-voltage, short-circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDimensions\u003c\/th\u003e\n\u003ctd\u003e482 x 260 x 88mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFrequency response\u003c\/th\u003e\n\u003ctd\u003e20Hz - 20kHz ±0.5dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput sensitivity : line\u003c\/th\u003e\n\u003ctd\u003e0.775Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput sensitivity : aux\u003c\/th\u003e\n\u003ctd\u003e0.480Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInput impedance\u003c\/th\u003e\n\u003ctd\u003e20k Ohms (balanced), 10k Ohms (unbalanced)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDynamic range\u003c\/th\u003e\n\u003ctd\u003e92dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTHD +N\u003c\/th\u003e\n\u003ctd\u003e\u0026lt;0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBluetooth version\u003c\/th\u003e\n\u003ctd\u003e2.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaged weight\u003c\/th\u003e\n\u003ctd\u003e7.8250kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaged dimensions\u003c\/th\u003e\n\u003ctd\u003e135 x 135 x 505 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of origin\u003c\/th\u003e\n\u003ctd\u003eCN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTariff code\u003c\/th\u003e\n\u003ctd\u003e8518500090\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e1 x Adastra A4 Dual Stereo PA Amplifier\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003ePlease Note\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ePlease check connections, measurements and compatibility before ordering. Batteries, cables, fixings and accessories are only included where specifically stated in the product description.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNot Sure If This Is Right?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIf you are not sure whether this stereo amplifiers will work with your existing equipment, get in touch with the make and model of the equipment you are connecting it to and we will help you check.\u003c\/p\u003e","brand":"Adastra","offers":[{"title":"Default Title","offer_id":52119157211432,"sku":"953.404UK","price":269.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0711\/4558\/6984\/files\/953404UK_CO1.jpg?v=1784224633","url":"https:\/\/ev-entz.co.uk\/products\/adastra-a4-dual-stereo-pa-amplifier","provider":"Ev-Entz Music","version":"1.0","type":"link"}