{"product_id":"topping-a30-pro-desktop-headphone-amplifier-open-box","title":"Topping A30 Pro Desktop Headphone Amplifier - Open Box","description":"\u003cmeta charset=\"utf-8\"\u003e\n\u003cdiv class=\"tabs-left\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"container-features\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"feature-block\" data-mce-fragment=\"1\"\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eNFCA Headphone Amplifier\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Topping A30 Pro Desktop Headphone Amplifier uses the new specifically redesigned NFCA based circuit is optimized for terrific single ended performance. Massive paralleled high performance audio opamp architecture along with UHGF technology provides excellent DC and AC performance. High output current drive capability allows the amp driving low impedance headphones with ease. APX555B limited our measurement again\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"container-features\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"feature-block\" data-mce-fragment=\"1\"\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e4PIN XLR+4.4mm+6.35mm Output\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eBuilt with a few outputs, you do not have to worry about compatibility while buying headphones. Designed with commonly seen 4.4mm, 6.35mm and 4 Pin-XLR connector, the Topping A30 Pro headphone amplifier covers most occasions and types of headphones. Functional but also compact, TOPPING A30 Pro desktop headphone amplifier in ready to perfect your HiFi Audio system with its amazing features\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"container-features\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"feature-block\" data-mce-fragment=\"1\"\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003e3 Steps Gain Settings\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eThe Topping A30 Pro headphone amp provides 3 step gain settings which can easily adapt to the huge sensitivity span from IEMs to high impedance and full size over-ears. Just connect the earphones and leave the rest to the Topping A30 Pro desktop headphone amp.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"container-features\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"feature-block\" data-mce-fragment=\"1\"\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eSE + BAL input pass through\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWhen shutting down, the input signal is directly output to RCA or TRS without amplification, which will be more suitable for active speakers\/monitor speakers when the DAC has pre-amplifier functions. Even better is when used with D30Pro, the excellent noise performance of D30Pro is not wasted.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"container-features\" data-mce-fragment=\"1\"\u003e\n\u003cdiv class=\"feature-block\" data-mce-fragment=\"1\"\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eSay Goodbye to Ground Loops Noise\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWhen multiple equipment are used, RCA Connection may encounter ground loop noise. A30 Pro introduces a GND\/LIFT switch as the solution. When in normal use, set it to GND; when encountering ground loop noise, switch to LIFT to change the ground point of the A30PRO from the it’s chassis to other equipment which it connected to.\u003c\/p\u003e\n\u003ch2 data-mce-fragment=\"1\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eDimension: 17.4cmx13.8cmx4.5cm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eWeight: 870g\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower: 100-240VAC 50Hz\/60Hz\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGain: L\/M\/H\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAmplifier inputs: 1 xXLR (L+R) \/ 1 xRCA (L+R)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eHeadphone Amplifier outputs :\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 X 6.35mm headphone output jack \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 X XLR headphone output jack \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e1 X 4.4mm headphone output jack，\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePass through outputs: 1x6.35mm TRS(L+R)\/1xRCA (L+R)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePower consumption: \u0026lt;9.0W\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\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 class=\"tabs-right\" data-mce-fragment=\"1\"\u003e\n\u003ch2 dir=\"ltr\"\u003e\u003cspan mce-data-marked=\"1\"\u003eWhat's In the Box?\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eA30 Pro\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eAC cable\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003e6.35mm to 3.5mm adaptor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eUser manual\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli aria-level=\"1\" dir=\"ltr\"\u003e\n\u003cp role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eWarranty card\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003e \u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163844\/16ca977dc134c3faa18832852ebe4aea.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163844\/1f90b4f54eec7a81a693f86e3db31337.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163844\/0988e6dd6fc3dfce9fe291f2e4d6aaf6.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163844\/173101cd3a5a2fbf5e2563f9464d2704.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/fb2198a217e86cce2677192933c83675.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/31edbc6fa61640f4ee19f21a56938e10.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/405f72059f8af62064c8b11097a9a8a6.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/83aeaf1530a1621fea05824b1c2c7cb2.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/f674dc112f7bbfdd61227fe37fa4361a.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/7cb8cd032beac00b940f7ecd35574f15.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/a39032699eff80da1de46ea317dea84d.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/549ce473dc7bb45d7980d60744e14ccb.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/ce9cb9ee22eb5d52ef4022884c8a14b0.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/a1dd7372ff81ccc1652e69c8ad9dcaa7.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/f1923a922e5a08327c8c4a948f0fe95e.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/d6e35362f8343712fbdcee6c9b151c90.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/d309857b37d36d6a01ef8cc781319821.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/ce03dc216192727e90a56169eaef10df.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/3cf308b3c69abdd0d95d577ba9244fa9.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/9d7c3e7b99525c8bf8f389ccad12e582.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003cimg src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20210305163845\/d1cb1c199e92fdd2488f92bd0b123e46.jpg?imageView2%2F2%2Fw%2F1100%2Fq%2F75%2Fformat%2Fwebp=\u0026amp;width=700\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"block-confidence\" data-mce-fragment=\"1\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Topping","offers":[{"title":"Default Title","offer_id":54456196989292,"sku":"oez1789937670728","price":176.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0996\/1976\/6636\/files\/topping-a30-pro-desktop-headphone-amplifier---open-box_1.jpg?v=1789937675","url":"https:\/\/huntingapparel.shop\/products\/topping-a30-pro-desktop-headphone-amplifier-open-box","provider":"My Store","version":"1.0","type":"link"}