{"product_id":"questyle-m18i-portable-bluetooth-dac-amp-for-iphone-android","title":"Questyle M18i Portable Bluetooth DAC Amp for iPhone \u0026 Android","description":"\u003carticle class=\"product-description\" itemscope=\"\" itemtype=\"https:\/\/schema.org\/Product\"\u003e\u003c!-- Voice \u0026 AI Search Targeted H2 --\u003e\n\u003ch2\u003eWhat is the Questyle M18i Portable Bluetooth DAC Amp?\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eQuestyle M18i\u003c\/strong\u003e is a premium, high-resolution portable Bluetooth DAC and headphone amplifier designed to transform your smartphone into an audiophile-grade media station. Engineered with precise craftsmanship and housed in a sleek CNC anodized aluminum alloy chassis, the M18i delivers ultra-pure, lossless audio whether you are commuting, traveling, or relaxing at home. Fully compatible with both iOS and Android devices, it is the ultimate Hi-Fi dongle upgrade for demanding music lovers.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features \u0026amp; Sonic Performance\u003c\/h2\u003e\n\u003ch3\u003eDual ES9219Q High-Resolution DAC Architecture\u003c\/h3\u003e\n\u003cp\u003eAt the core of the Questyle M18i are twin flagship \u003cstrong\u003eES9219Q DAC chips\u003c\/strong\u003e working in parallel. This dual-mono configuration guarantees exceptional channel separation, an expansive soundstage, and ultra-low harmonic distortion (0.0002%), ensuring every detail in your lossless tracks is faithfully rendered.\u003c\/p\u003e\n\u003ch3\u003eLossless Bluetooth 5.4 \u0026amp; Advanced Codec Support\u003c\/h3\u003e\n\u003cp\u003eCut the cord without sacrificing fidelity. Powered by modern \u003cstrong\u003eBluetooth® 5.4\u003c\/strong\u003e, the M18i supports top-tier wireless codecs including \u003cstrong\u003eLDAC, aptX Adaptive, aptX HD, AAC, and LE Audio\u003c\/strong\u003e. Experience high-definition wireless playback with stable transmission and virtually non-existent latency.\u003c\/p\u003e\n\u003ch3\u003eVersatile 3.5mm \u0026amp; 4.4mm Balanced Outputs\u003c\/h3\u003e\n\u003cp\u003eDesigned to drive everything from sensitive in-ear monitors (IEMs) to demanding full-sized headphones, the Questyle M18i features both standard \u003cstrong\u003e3.5mm single-ended\u003c\/strong\u003e and heavy-duty \u003cstrong\u003e4.4mm balanced\u003c\/strong\u003e headphone outputs, delivering up to 28mW @ 300Ω on balanced connection.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003cth style=\"padding: 8px;\"\u003eDAC Chipset\u003c\/th\u003e\n\u003ctd style=\"padding: 8px;\"\u003eDual ESS ES9219Q (ES9219Q ×2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003cth style=\"padding: 8px;\"\u003eChassis Material\u003c\/th\u003e\n\u003ctd style=\"padding: 8px;\"\u003eCNC Anodized Aluminum Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003cth style=\"padding: 8px;\"\u003eBluetooth Version\u003c\/th\u003e\n\u003ctd style=\"padding: 8px;\"\u003eBluetooth® 5.4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003cth style=\"padding: 8px;\"\u003eSupported Codecs\u003c\/th\u003e\n\u003ctd style=\"padding: 8px;\"\u003eLDAC, aptX Adaptive, aptX HD, aptX, AAC, SBC, LE Audio\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003cth style=\"padding: 8px;\"\u003eAudio Decoding Support\u003c\/th\u003e\n\u003ctd style=\"padding: 8px;\"\u003ePCM: 16\/24\/32-Bit, 44.1kHz – 384kHz\u003cbr\u003eDSD: Native DSD64, DSD128, DSD256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003cth style=\"padding: 8px;\"\u003eOutput Power\u003c\/th\u003e\n\u003ctd style=\"padding: 8px;\"\u003e28mW @ 300Ω (4.4mm Balanced Output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003cth style=\"padding: 8px;\"\u003eFrequency Response\u003c\/th\u003e\n\u003ctd style=\"padding: 8px;\"\u003e20Hz – 20,000Hz (±0.1dB)\u003cbr\u003e20Hz – 80,000Hz (±2dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003cth style=\"padding: 8px;\"\u003eTotal Harmonic Distortion (THD+N)\u003c\/th\u003e\n\u003ctd style=\"padding: 8px;\"\u003e0.0002%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003cth style=\"padding: 8px;\"\u003eInput Interface\u003c\/th\u003e\n\u003ctd style=\"padding: 8px;\"\u003eUSB Type-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003cth style=\"padding: 8px;\"\u003eOutput Interfaces\u003c\/th\u003e\n\u003ctd style=\"padding: 8px;\"\u003e3.5mm Single-Ended | 4.4mm Balanced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #ddd;\"\u003e\n\u003cth style=\"padding: 8px;\"\u003eDimensions\u003c\/th\u003e\n\u003ctd style=\"padding: 8px;\"\u003e75 × 35 × 14.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Choose the Questyle M18i?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Plug-and-play functionality for iPhone, iPad, Android smartphones, laptops, and tablets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Ultra-Portable:\u003c\/strong\u003e Fits easily in your pocket or bag for high-resolution sound anywhere.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudiophile Power \u0026amp; Dynamic Range:\u003c\/strong\u003e Unlocks hidden detail in your favorite audio streaming services (Tidal, Apple Music, Qobuz).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/Bv5bVsrkGfU?si=8rnevlXDCuVhKWXK\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003c\/article\u003e","brand":"Questyle","offers":[{"title":"Default Title","offer_id":53571287449894,"sku":null,"price":330.0,"currency_code":"CHF","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0289\/2641\/0840\/files\/800x_267b7935-d926-4256-8054-2df894bf5814.webp?v=1785840925","url":"https:\/\/www.accessoryjack.com\/en-ch\/products\/questyle-m18i-portable-bluetooth-dac-amp-for-iphone-android","provider":"AccessoryJack","version":"1.0","type":"link"}