{"product_id":"ld-systems-hpa1","title":"LD Systems HPA1 Personal Headphone Amplifier","description":"\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003eThe LD Systems HPA 1 is a versatile headphone amplifier with high power output for stage, studio and home recording and is the perfect solution for wired in-ear-monitoring.. The compact device in a rugged, ergonomically shaped plastic housing with soft-touch surface and practical belt clip is very extensively equipped.\u003c\/p\u003e\n\u003cp\u003eIn addition to locking XLR connectors for the stereo signal L\/R input, the HPA 1 has a balanced 3.5 mm stereo jack as AUX input, which can be used in parallel for clicks or playback. It is protected for safe operation against excessive input levels; a hollow pin socket with negative internal contact enables the connection of a network adapter for fixed operation.\u003c\/p\u003e\n\u003cp\u003eA 3.5 mm stereo jack is provided as earphone and headphone output. Volume level and balance can be set with easy-grip knobs, a push-button switches between the summed mono and stereo signals. A full-fledged limiter is integrated for distortion-free playback and as protection against feedback.\u003c\/p\u003e\n\u003cp\u003eThe LD Systems HPA 1 has bi-colour LEDs to facilitate the features overview, which displays the response of the limiter during peaks and the battery status. At 165 grams, the headphone amplifier is distinctly light-weight and can be operated for up to 12 hours thanks to a high quality 9 V block battery.\u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003ch2\u003eSPECIFICATIONS\u003c\/h2\u003e\n\u003cdiv class=\"product-detail__spec-content\"\u003e\n\u003cul\u003e\n\u003cli\u003eCompact and powerful headphone amplifier\u003c\/li\u003e\n\u003cli\u003eAlso ideal for wired in-ear monitoring\u003c\/li\u003e\n\u003cli\u003eBalanced XLR inputs L\/R\u003c\/li\u003e\n\u003cli\u003e3.5 mm AUX input for click and playback\u003c\/li\u003e\n\u003cli\u003ePrecise volume and balance controllers\u003c\/li\u003e\n\u003cli\u003eBuilt-in limiter for distortion-free playback and feedback protection\u003c\/li\u003e\n\u003cli\u003eSwitchable mono sum for a focused sound\u003c\/li\u003e\n\u003cli\u003eUltra stable housing with soft-touch surface\u003c\/li\u003e\n\u003cli\u003ePractical belt clip for direct on-body operation\u003c\/li\u003e\n\u003cli\u003eConnection for a 9 V DC adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003ch2\u003eTECHNICAL INFORMATION\u003c\/h2\u003e\n\u003cdiv class=\"product-detail__tech-info-content\"\u003e\n\u003ctable class=\"attributes eight mobile-four\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth id=\"attrTitle_1specs\"\u003eProduct type:\u003c\/th\u003e\n\u003ctd id=\"attrValue_1specsmobile\"\u003eHeadphone Amp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003cth id=\"attrTitle_2specs\"\u003eInputs:\u003c\/th\u003e\n\u003ctd id=\"attrValue_2specsmobile\"\u003e2, AUX In (Stereo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth id=\"attrTitle_3specs\"\u003eInput connectors:\u003c\/th\u003e\n\u003ctd id=\"attrValue_3specsmobile\"\u003eXLR-F (L + R Input, balanced), 3.5 mm stereo jack (AUX In)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003cth id=\"attrTitle_4specs\"\u003eInput impedance:\u003c\/th\u003e\n\u003ctd id=\"attrValue_4specsmobile\"\u003e10000 (3.5 mm jack)Ohm(s), 6000 (XLR In)Ohm(s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth id=\"attrTitle_5specs\"\u003eInput sensitivity:\u003c\/th\u003e\n\u003ctd id=\"attrValue_5specsmobile\"\u003e-6 (3.5 mm jack) dBV, 3 (XLR In)dBu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003cth id=\"attrTitle_6specs\"\u003eMax. input level:\u003c\/th\u003e\n\u003ctd id=\"attrValue_6specsmobile\"\u003e7 (3.5 mm jack) dBV, 16 (XLR In)dBu\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth id=\"attrTitle_7specs\"\u003eProtection circuits:\u003c\/th\u003e\n\u003ctd id=\"attrValue_7specsmobile\"\u003eAudio Limiter, Max. Input leveling, Power OFF – Mute relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003cth id=\"attrTitle_8specs\"\u003eHeadphones ouputs:\u003c\/th\u003e\n\u003ctd id=\"attrValue_8specsmobile\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth id=\"attrTitle_9specs\"\u003eHeadphones outputs:\u003c\/th\u003e\n\u003ctd id=\"attrValue_9specsmobile\"\u003e3.5 mm TRS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003cth id=\"attrTitle_10specs\"\u003ePower Output (1% THD @ 33 Ohm Load):\u003c\/th\u003e\n\u003ctd id=\"attrValue_10specsmobile\"\u003e2 x 1,65 Vrms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth id=\"attrTitle_11specs\"\u003eMinimum connected impedance:\u003c\/th\u003e\n\u003ctd id=\"attrValue_11specsmobile\"\u003e16 (per channel)Ohm(s)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003cth id=\"attrTitle_12specs\"\u003eFrequency response:\u003c\/th\u003e\n\u003ctd id=\"attrValue_12specsmobile\"\u003e20 – 40000Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth id=\"attrTitle_13specs\"\u003eTHD:\u003c\/th\u003e\n\u003ctd id=\"attrValue_13specsmobile\"\u003e0.04%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003cth id=\"attrTitle_14specs\"\u003eControls:\u003c\/th\u003e\n\u003ctd id=\"attrValue_14specsmobile\"\u003eBalance L\/R, Power \/ Volume, Stereo\/Mono (Focus) switch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth id=\"attrTitle_15specs\"\u003eIndicators:\u003c\/th\u003e\n\u003ctd id=\"attrValue_15specsmobile\"\u003ePower LED (Power ON: green), Signal (green), Battery (low battery: red), Peak (Amber)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003cth id=\"attrTitle_16specs\"\u003eOperating voltage:\u003c\/th\u003e\n\u003ctd id=\"attrValue_16specsmobile\"\u003e9 V block, 9 V DC power supply, 9 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth id=\"attrTitle_17specs\"\u003eCurrent draw:\u003c\/th\u003e\n\u003ctd id=\"attrValue_17specsmobile\"\u003eNom. 0.07 A \/ Max. 0.15A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003cth id=\"attrTitle_18specs\"\u003eCabinet material:\u003c\/th\u003e\n\u003ctd id=\"attrValue_18specsmobile\"\u003eplastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth id=\"attrTitle_19specs\"\u003eCabinet surface:\u003c\/th\u003e\n\u003ctd id=\"attrValue_19specsmobile\"\u003eSoft-touch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003cth id=\"attrTitle_20specs\"\u003eCabinet colour:\u003c\/th\u003e\n\u003ctd id=\"attrValue_20specsmobile\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth id=\"attrTitle_21specs\"\u003eWidth:\u003c\/th\u003e\n\u003ctd id=\"attrValue_21specsmobile\"\u003e80 x 42.5 x 133 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"\"\u003e\n\u003cth id=\"attrTitle_24specs\"\u003eWeight:\u003c\/th\u003e\n\u003ctd id=\"attrValue_24specsmobile\"\u003e0.155kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-feature-text\"\u003e\n\u003cdiv class=\"allcontent\"\u003e\n\u003cdiv class=\"product-feature-text\"\u003e\n\u003cdiv class=\"product-feature-text\"\u003e\n\u003cdiv class=\"allcontent\"\u003e\n\u003cdiv class=\"product-feature-text\"\u003e\n\u003cdiv class=\"product-feature-text\"\u003e\n\u003cdiv class=\"last  column\"\u003e\n\u003cul class=\"feature-list split\"\u003e\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"ToolTipDic\" class=\"tooltip_dic\" style=\"display: none !important; visibility: hidden !important; position: absolute !important; height: auto !important; width: auto !important; z-index: 1410065406 !important; vertical-align: middle; padding: 1px; margin: 0px !important; font-size: 9pt !important; line-height: normal !important; font-family: '맑은 고딕'; font-weight: bold; color: #000000; border: 1px solid #707070; background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#f0f0f0), to(#dcdcdc)); overflow: hidden; white-space: nowrap; border-radius: 0.2em; box-shadow: rgba(0, 0, 0, 0.4) 2px 2px 5px; left: 81px !important; top: 1515px !important;\"\u003e\u003c\/div\u003e","brand":"LD Systems","offers":[{"title":"Default Title","offer_id":31617779269690,"sku":"LDS-HPA1","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1764\/4443\/products\/ld-systems-hpa1-personal-headphone-amplifier-ldhpa1-gsus4-607036.jpg?v=1741204434","url":"https:\/\/gsus4.com.au\/en-us\/products\/ld-systems-hpa1","provider":"Gsus4","version":"1.0","type":"link"}