{"product_id":"topping-dx1-ak4493s-desktop-dac-headphone-amplifier","title":"TOPPING DX1 AK4493S Desktop DAC \u0026 Headphone Amplifier","description":"\u003cp\u003e\u003cstrong style=\"box-sizing: border-box; font-weight: bold; color: rgb(51, 62, 72); font-family: 'Open Sans', sans-serif; font-size: 22px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cspan style=\"box-sizing: border-box; font-family: Arial, Helvetica, sans-serif;\"\u003eIntroduction:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003eDX1 is a small desktop computer that supports USB input, amp + Line out output.\u003cbr\u003eDX1 is a desktop audio solution for miniaturization or limited budget, it is a complement to D10s and D10 Balanced (D10 series has no built-in amp and DX1 has no interface function)\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong style=\"box-sizing: border-box; font-weight: bold; color: rgb(51, 62, 72); font-family: 'Open Sans', sans-serif; font-size: 22px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; letter-spacing: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cspan style=\"box-sizing: border-box; font-family: Arial, Helvetica, sans-serif;\"\u003eSpec:\u003cbr\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003eDX1 DAC Parameters (USB ln@44. 1kHz )\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTHD+N @1kHz (A-wt)\u0026lt;0.0002 % \/ THD @20-20kHz 90kBW\u0026lt;0.0006%\u003cbr\u003eSNR @1kHz (A-wt):120dB\u003cbr\u003eDynamic range @1kHz (A-wt):120dB\u003cbr\u003eFrequency Response:\u003cbr\u003e20Hz-20kHz (±0.3dB)\u003cbr\u003e20Hz-40kHz (±0.7dB)\u003cbr\u003eOutput Level:2.0Vrms @0dBFS\u003cbr\u003eNoise (A-wt) \u0026lt;2.0uVrms\u003cbr\u003eChannel Crosstalk @1kHz:-112dB\u003cbr\u003eChannel Balance:0.3 dB\u003cbr\u003eOutput Impedance:22Ω\u003cbr\u003e\u003cspan style=\"font-size: 16px;\"\u003e\u003cstrong\u003eDX1 Headphone Amplifier Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003eTHD+N @1kHz ( A-wt)\u003cbr\u003e\u0026lt;0.0003% @ Output=200mW (32Ω)\u003cbr\u003e\u0026lt;0.0002% @Output=4 5mW (300Ω)\u003cbr\u003eTHD @20-20kHz 90kB W\u003cbr\u003e\u0026lt;0.003% @Output=200mW (32Ω)\u003cbr\u003e\u0026lt;0.001% @Output=45mW (300Ω)\u003cbr\u003eSNR @MAX OUT 1kHz ( A-wt):118dB\u003cbr\u003eDynamic Range @1kHz (A-wt):118dB\u003cbr\u003eFrequency Response\u003cbr\u003e20Hz 20kHz (±0.3dB)\u003cbr\u003e20Hz-40kHz (±0.7dB)\u003cbr\u003eOutput Level\u003cbr\u003e2.2Vpp @G=L\u003cbr\u003e11Vpp @G=H\u003cbr\u003eNoise ( A-wt)\u0026lt; 1.0uVrms\u003cbr\u003eChannel Crosstalk @ 1kHz:-86dB\u003cbr\u003eGain:-2dB (Vrms\/FS) @G=L \u003cbr\u003e        12dB (Vrms\/FS) @G=H\u003cbr\u003eOutput Impedance\u0026lt; 0.5Ω\u003cbr\u003eOutput Power\u003cbr\u003e280mW X 2 @32Ω THD+N\u0026lt;0.1 %\u003cbr\u003e190mW X 2 @64Ω THD+N\u0026lt;0.1 %\u003cbr\u003e51mW X 2 @300Ω THD+N\u0026lt;0.1 %\u003cbr\u003eLoad Impedance\u0026gt;8Ω\u003cbr\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/6a1c4addb29fb85a4d24bdc1d053a528.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/1d67e812d5fd71ed84b758ec29d2cd4c.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/f5fdcde950a5aadfb0b636410b229ac5.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/19f751d0204dcd9f48611527cebb9e2a.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/7e54118f1cf4fa9973f273a94e9170c2.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/22eeb1225bff7b9dcb98aef7edeaa1e7.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/332b6e5e4bf1b8ac9e2976e7cdcaaa73.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/d9d661efdfe54cc1d80ad6beaf6fb9de.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/f43a0683a74437afbc91ca6b3bb7b2b5.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/ac33d6df3062128425afec96108db3bd.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/665b95a294f53a9f84a2c37f458e726a.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/7abf3f5d7eca4ff50d2a055a46b34a15.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/067f2ea319ffee41261714e699344cc3.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/fe15f92093377ce62dae7441bbed2acf.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/c77b62a9787cb7908248801fb2895de2.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/8bd9852b75a6a8a75064f08949935033.jpg?width=700\"\u003e\u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220922105055\/2fb6d58f26f1ff7aa6202f8f935fa9d0.jpg?width=700\"\u003e  \u003cimg align=\"center\" src=\"https:\/\/wxalbum-10001658.image.myqcloud.com\/\/wxalbum\/263033\/20220920092230\/d9f90fa3f517590cd8c29a2c02d73996.jpg?width=700\"\u003e\u003cimg 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