{"product_id":"fiio-k15","title":"FiiO K15 AK4497S*2 Streaming DAC \u0026 Powerful Headphone Amplifier","description":"\u003cp\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4294c0f27b824177b171cef227df3b49Z.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S1c46e5b5b9a7413ebcacd3e40faa8513u.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa648e1d55743416b8d2862f8fd7755c49.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S3525663e852f4e9aabe32c0df71c7234n.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S54130faa978f4729bcfdf58228244c5bK.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Scaf326c36288436b9b139ed6eb0410acj.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8318565299ff4d12aebd383075487c5aJ.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sb2793e7e99a8467980b630b17bf3cf5fR.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sac7f7436dcd7433691a8c111c53a631dx.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S4c0870274281482d91f8719a0a991b91Z.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sa52f45453d1f4adea39c81919550780e1.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sff6774bfe82b475cad161740f99a36bfa.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6e2f4526cdbf44f3b8cc5a8ca0522ec4o.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd9ab1016f4d54feb9ea9b325028eb1f6Z.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S39af029c46f044fdab5a63bf3bdb39dd8.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S10721daabfff429895b1b88aa511da0fC.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sf52547d393734c9a848f0377c38702eeq.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sf6355735185a45e684d9919cf664c5b1C.jpg\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sdd04a561f5f64474a2b876f7c0ebff3f3.jpg\"\u003e\u003c\/p\u003e\n\u003ch2\u003eLeading the new 'core' generation Dual high-end AKM DAC AK4497S\u003c\/h2\u003e\n\u003cp\u003eThe K15 is among the first to use two of the new high-end AKM DAC chips,AK4479SVQ featuring the upgraded 'VELVET SOUND' audio technology.The chips achieve low distortion, a wide dynamic range, and extended signal bandwidth, all at low power consumption. Rich detail is retained inboth low and high frequencies for a natural and immersive sound experience.\u003c\/p\u003e\n\u003ch2\u003eDiscrete architecture Class-AB transistor current-boosting headphone amplifier circuit\u003c\/h2\u003e\n\u003cp\u003eWithin the K15 is a carefully designed discrete headphone amplifier circuit, featuring an OP + transistor current-boosting design. A complementary pair of the classic ON Semiconductor MJE243G\/253G delivers high current and low impedance output.This discrete circuit can achieve balanced output power up to 3000mW + 3000mw, allowing the K15 to effortlessly drive both full-sized headphones and in-ear monitors - producing smooth,natural, yet melodious sound.\u003c\/p\u003e\n\u003ch2\u003eFully balanced audio circuit\u003c\/h2\u003e\n\u003cp\u003eFrom DAC decoding, low-pass filtering, gain control, and to headphone amplification, the K15's audio circuit is a fully differential design. Such a design ensures wide dynamic range while also effectively reducing crosstalk, minimizing noise, and enhancing the quality of audio output.\u003c\/p\u003e\n\u003ch2\u003ePrecisely designed power supply DC\/AC dual power supply\u003c\/h2\u003e\n\u003cp\u003eThe K15 features a built-in next-generation 30w (12V-2.5A) low-noise, high-efficiency, long-lasting, industrialand instrumentation-grade power supply. The K15 also supports external DC power supplies,\u003cbr\u003eallowing it to work with higher-performance linear power supplies for even higher sound quality.\u003c\/p\u003e\n\u003ch2\u003eDual master cores Stable and smooth experience\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-performance multi-core processor X2000:\u003c\/strong\u003e This processor is powered by a unique design featuring dual XBurst@2 cores + XBurst@0 micro-core, to deliver exceptional computing performance at ultra-low power consumption. This ensures precise audio signal processing,guaranteeing stable and smooth music playback.\u003cbr\u003e\u003cstrong\u003eEfficient MCU ESP32-S3: \u003c\/strong\u003eIntegrated into this chip is a high-performance Xtensa 32-bit LX7 dual-core processor and an ultra-low-power coprocessor, featuring a clock speed of up to 240MHz. This chip enables precise system control for a highly efficient and fast user experience.\u003c\/p\u003e","brand":"FIIO","offers":[{"title":"K15-Black","offer_id":68203338957104,"sku":"FIIO-K15-Black","price":629.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/6712\/8880\/files\/fiio-k15-ak4497s2-streaming-dac-powerful-headphone-amplifier-hifigo-687593_1.jpg?v=1793243482","url":"https:\/\/aehifi.com\/products\/fiio-k15","provider":"AEHIFI SHOP","version":"1.0","type":"link"}