{"product_id":"questyle-m15c","title":"Questyle M15C","description":"\u003cp\u003eQuestyle M15C is a compact USB DAC and headphone amplifier designed to upgrade wired listening from phones, tablets and computers.\u003c\/p\u003e\u003cp\u003eQuestyle Current Mode amplification, high-resolution decoding and 3.5mm single-ended and 4.4mm balanced provide a focused portable HiFi solution without an internal battery.\u003c\/p\u003e\u003ch2\u003eWhy it stands out\u003c\/h2\u003e\u003cp\u003eFour core reasons to choose this Questyle model.\u003c\/p\u003e\u003ch3\u003eCurrent Mode Amplification\u003c\/h3\u003e\u003cp\u003eQuestyle's patented amplification architecture is designed for wide bandwidth, fast transient response and low distortion.\u003c\/p\u003e\u003ch3\u003eHigh-Resolution USB Decoding\u003c\/h3\u003e\u003cp\u003eESS ES9281AC supports high-resolution playback from compatible USB sources.\u003c\/p\u003e\u003ch3\u003ePractical Headphone Connectivity\u003c\/h3\u003e\u003cp\u003e3.5mm single-ended and 4.4mm balanced cover the intended wired headphone and IEM connections.\u003c\/p\u003e\u003ch3\u003ePortable, Bus-Powered Design\u003c\/h3\u003e\u003cp\u003eThe compact unit draws power from the connected source and requires no separate charging routine.\u003c\/p\u003e\u003ch2\u003eBest for\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePortable wired headphone listening\u003c\/li\u003e\n\u003cli\u003eUSB-C phone and tablet audio\u003c\/li\u003e\n\u003cli\u003eLaptop and desktop headphone systems\u003c\/li\u003e\n\u003cli\u003eHigh-resolution local or streaming playback\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eNot ideal for\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWireless Bluetooth headphone users\u003c\/li\u003e\n\u003cli\u003eUsers needing speaker power amplification\u003c\/li\u003e\n\u003cli\u003eHeadsets requiring microphone pass-through\u003c\/li\u003e\n\u003cli\u003eListeners needing an internal battery\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"emiuzek-product-content-images\" style=\"width:100%;max-width:1100px;margin:8px auto 32px\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/Questyle_M15C_3.webp\" alt=\"Questyle M15C audio performance and internal technology\" loading=\"lazy\" style=\"display:block;width:100%;max-width:1100px;height:auto;margin:0 auto 24px\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/Questyle_M15C_6.webp\" alt=\"Questyle M15C controls and headphone connections\" loading=\"lazy\" style=\"display:block;width:100%;max-width:1100px;height:auto;margin:0 auto 24px\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/Questyle_M15C_12.webp\" alt=\"Questyle M15C portable listening scenario\" loading=\"lazy\" style=\"display:block;width:100%;max-width:1100px;height:auto;margin:0 auto 24px\"\u003e\n\u003c\/div\u003e\u003ch2\u003eEMiUZEK Buying Notes\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eQuestyle M15C is a USB DAC\/headphone amplifier, not a music player or speaker amplifier.\u003c\/li\u003e\n\u003cli\u003eUSB cable compatibility depends on the source device; iPhone connection requirements vary by connector generation.\u003c\/li\u003e\n\u003cli\u003eStart with low gain and low volume when using sensitive IEMs.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eCan it drive passive speakers?\u003c\/h3\u003e\u003cp\u003eNo. It is designed for wired headphones and IEMs.\u003c\/p\u003e\u003ch3\u003eDoes it support Bluetooth?\u003c\/h3\u003e\u003cp\u003eNo. Audio input is through USB.\u003c\/p\u003e\u003ch3\u003eDoes it need charging?\u003c\/h3\u003e\u003cp\u003eNo internal battery is used; it is powered by the connected source.\u003c\/p\u003e\u003ch3\u003eCan I use it with an iPhone?\u003c\/h3\u003e\u003cp\u003eYes with the appropriate compatible cable; MFi support applies where specified for the model.\u003c\/p\u003e\u003ch3\u003eDoes it support headset microphones?\u003c\/h3\u003e\u003cp\u003eThe headphone outputs are for audio playback and do not provide microphone pass-through.\u003c\/p\u003e\u003ch3\u003eCan it work with a computer?\u003c\/h3\u003e\u003cp\u003eYes, through a compatible USB connection and operating-system audio output selection.\u003c\/p\u003e\u003ch2\u003eHOW TO CONNECT\u003c\/h2\u003e\u003ch3\u003eUSB-C phone\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSource:\u003c\/strong\u003e Phone \/ tablet\u003cbr\u003e\u003cstrong\u003eConnection:\u003c\/strong\u003e USB-C\u003cbr\u003e\u003cstrong\u003eOutput:\u003c\/strong\u003e Headphone output\u003cbr\u003e\u003cstrong\u003eTarget:\u003c\/strong\u003e Wired IEMs or headphones\u003cbr\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Select the Questyle device as audio output if needed.\u003c\/p\u003e\u003ch3\u003eComputer audio\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSource:\u003c\/strong\u003e PC \/ Mac\u003cbr\u003e\u003cstrong\u003eConnection:\u003c\/strong\u003e USB\u003cbr\u003e\u003cstrong\u003eOutput:\u003c\/strong\u003e Headphone output\u003cbr\u003e\u003cstrong\u003eTarget:\u003c\/strong\u003e Wired headphones\u003cbr\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Use a compatible data cable, not a charge-only cable.\u003c\/p\u003e\u003ch3\u003ePortable streamer\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eSource:\u003c\/strong\u003e USB-capable digital player\u003cbr\u003e\u003cstrong\u003eConnection:\u003c\/strong\u003e USB\u003cbr\u003e\u003cstrong\u003eOutput:\u003c\/strong\u003e Headphone output\u003cbr\u003e\u003cstrong\u003eTarget:\u003c\/strong\u003e Wired IEMs\u003cbr\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Begin playback at low volume.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;min-width:680px;border-collapse:collapse\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eProduct Type\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003ePortable USB DAC \/ headphone amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eDAC\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eESS ES9281AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eAmplification\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eQuestyle Current Mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eUSB Input\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eUSB Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eHeadphone Outputs\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003e3.5mm single-ended and 4.4mm balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eUSB bus powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eMaximum PCM\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003e32-bit\/384kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eDSD\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eDSD256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eGain\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eHigh \/ low\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eRecommended System Setup\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;min-width:680px;border-collapse:collapse\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222\"\u003eSetup\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222\"\u003eConnection\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eMobile\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003ePhone → USB → M15C → wired headphones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eComputer\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003ePC\/Mac → USB → M15C → headphones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003ePortable player\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eUSB digital player → M15C → IEMs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eAdditional Product Content\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;-webkit-overflow-scrolling:touch\"\u003e\u003ctable style=\"width:100%;min-width:680px;border-collapse:collapse\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222\"\u003eM12i\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222\"\u003eM15i\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222\"\u003eM15C\u003c\/th\u003e\n\u003cth style=\"text-align:left;padding:12px;border-bottom:2px solid #222\"\u003eM18i\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003ePosition\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eCompact single-ended\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003ePremium dual-output\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eUSB-C dual-output\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eFlagship mobile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eHeadphone Outputs\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003e3.5mm\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003e3.5mm + 4.4mm\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003e3.5mm + 4.4mm\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003e3.5mm + 4.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eGain Control\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eAutomatic\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eHigh \/ low\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eHigh \/ low\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eModel controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eBest Use\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eSimple portable setup\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003ePremium iOS\/USB listening\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eUSB-C ecosystem\u003c\/td\u003e\n\u003ctd style=\"padding:12px;border-bottom:1px solid #ddd;vertical-align:top\"\u003eFlagship portable system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e","brand":"Questyle","offers":[{"title":"Black","offer_id":43721338323037,"sku":"Questyle-M15C-Black","price":416.0,"currency_code":"BRL","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/7422\/8829\/files\/Questyle-m15C.webp?v=1785397100","url":"https:\/\/emiuzek.com\/pt-br\/products\/questyle-m15c","provider":"EMiUZEK","version":"1.0","type":"link"}