{"product_id":"ifi-idsd-gr-2-portable-dac-headphone-amp","title":"iFi iDSD GR 2 Portable DAC\/Headphone Amp","description":"\u003ch1\u003e\u003cstrong\u003eBurr-Brown portable DAC\/headphone amplifier\u003c\/strong\u003e\u003c\/h1\u003e\n\u003cp\u003eThe iFi iDSD GR 2 is a true-portable DAC and headphone amplifier that builds on the legacy of the xDSD Gryphon. It features a redesigned audio architecture, a Burr-Brown PCM1795 DAC, and a fully-balanced analogue stage. A new capacitive color touchscreen, Bluetooth 5.4 with aptX Lossless and LDAC, K2HD audio restoration, and expanded connectivity make it equally at home with headphones, powered speakers, and portable listening systems.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eNew Burr-Brown DAC architecture\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eAt the heart of the GR 2 is the Burr-Brown PCM1795 DAC chipset, delivering support for PCM up to 768kHz and DSD512. The current-output design allows iFi to implement a custom analogue output stage that improves dynamic range, lowers distortion, and preserves the warm, natural presentation associated with Burr-Brown conversion.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFully-balanced Class-A amplification\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe GR 2 features a redesigned fully-balanced analogue circuit with Class-A op-amps and upgraded iEMatch circuitry using low-impedance MOSFETs. The amplifier produces up to 1,513mW into 32 ohms through the balanced output, providing the current and voltage needed for a wide variety of in-ear monitors and full-size headphones while maintaining low distortion and excellent channel balance.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eTouchscreen control\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eA capacitive color OLED touchscreen replaces deep menu navigation with fast, direct access to key settings. The streamlined interface makes changing inputs, playback options, and system preferences quick and intuitive while keeping the compact chassis clean and easy to operate.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eAdvanced wireless playback\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eBluetooth 5.4 brings broad codec compatibility, including aptX Lossless, aptX Adaptive, aptX, LDAC, LHDC\/HWA, AAC, and SBC. aptX Lossless enables CD-quality wireless playback where supported, while LDAC delivers transmission rates up to 990kbps for high-quality Bluetooth listening.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eK2HD audio restoration\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eLicensed JVCKENWOOD K2HD Technology restores harmonic information often lost during digital recording and compression. The processing enhances depth, tonal richness, and musical detail for a more natural presentation. A separate K2 mode provides similar enhancement without upsampling for listeners who prefer a more subtle effect.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eFlexible connectivity\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe iDSD GR 2 integrates easily into portable and desktop systems with USB-C, Bluetooth, optical\/coaxial S\/PDIF, balanced 4.4mm analogue input, and 3.5mm analogue input. Dedicated balanced and single-ended outputs allow the unit to function as both a headphone amplifier and a high-quality DAC with line-level output.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eHybrid power management\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe hybrid power system intelligently prioritizes external USB power while drawing from the internal battery only when additional power is required. This approach reduces unnecessary battery cycling during extended listening sessions while preserving portable operation through the built-in 4,900mAh battery.\u003c\/p\u003e\n\u003ch2\u003e\u003cstrong\u003eNexis app compatibility\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe GR 2 supports iFi Nexis for expanded device control, advanced configuration, and over-the-air firmware updates. Compatible Android devices also gain access to additional USB-based Nexis functionality, allowing the GR 2 to receive future enhancements over time.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eProduct highlights\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTrue-portable DAC and headphone amplifier\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBurr-Brown PCM1795 DAC with custom analogue stage\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupports PCM up to 768kHz and DSD512\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eFully-balanced Class-A analogue architecture\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eUp to 1,513mW RMS output at 32 ohms (balanced)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBluetooth 5.4 with aptX Lossless, aptX Adaptive, LDAC, LHDC\/HWA, AAC, and SBC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCapacitive color OLED touchscreen\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eJVCKENWOOD K2HD audio restoration technology\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHybrid external power and battery operation\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompatible with iFi Nexis for remote control and firmware updates\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDAC chipset: Burr-Brown PCM1795\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHi-res support: PCM 768kHz, DSD512\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBluetooth version: 5.4\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBluetooth codecs: aptX Lossless, aptX Adaptive, aptX, LDAC, LHDC\/HWA, AAC, SBC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDigital inputs: USB-C, Optical\/Coaxial S\/PDIF, Bluetooth\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnalogue inputs: 4.4mm balanced, 3.5mm single-ended\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAnalogue outputs: 4.4mm balanced, 3.5mm single-ended\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eHeadphone outputs: 4.4mm balanced, 3.5mm S-Balanced\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutput power: 1,513mW @ 32Ω balanced, 567mW @ 32Ω S-Balanced\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eOutput impedance: ≤0.4Ω balanced, ≤0.2Ω S-Balanced\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eSignal-to-noise ratio: 115dBA\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eTHD+N: 0.006% (headphone outputs), 0.0005% (line outputs)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery: 4,900mAh lithium-polymer\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBattery life: Approximately 7 hours\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eCharging: 5V\/\u0026gt;1.8A via USB-C, approximately 3.5 hours\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDimensions: 5.55 x 2.95 x 0.75 in. (141 x 75 x 19mm)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWeight: 0.59 lb (268g)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eWarranty: 12 months, 24 months in the EU\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat’s included\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eiFi iDSD GR 2 portable DAC\/headphone amplifier\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eDocumentation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iFi","offers":[{"title":"Default Title","offer_id":47954446516460,"sku":"APS-1367-1","price":529.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0225\/2721\/3642\/files\/1_2.jpg?v=1784223708","url":"https:\/\/apos.audio\/products\/ifi-idsd-gr-2-portable-dac-headphone-amp","provider":"Apos","version":"1.0","type":"link"}