{"product_id":"ifi-idsd-gr-2","title":"iFi iDSD GR 2","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe iFi iDSD GR 2 is a true-portable DAC and headphone amplifier designed for high-performance listening at home or on the move. It combines a Burr-Brown PCM1795 DAC, fully balanced Class A amplification, powerful headphone outputs, Bluetooth 5.4 with aptX Lossless, digital and analogue inputs, and battery operation in a compact chassis.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe GR 2 supports PCM up to 768kHz and DSD512, while its balanced 4.4mm headphone output delivers up to 1,513mW RMS at 32 ohms. Upgraded iEMatch circuitry helps accommodate sensitive earphones, giving the GR 2 flexibility across a broad range of headphones and IEMs.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWireless listening is handled by Bluetooth 5.4 with support for aptX Lossless, aptX Adaptive, LDAC, LHDC\/HWA, aptX, AAC, and SBC. Wired sources can connect through USB-C or optical\/coaxial S\/PDIF, while balanced 4.4mm and single-ended 3.5mm analogue inputs allow the GR 2 to operate as an analogue headphone amplifier as well as a DAC\/amp.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0833\/6139\/9068\/files\/idsd-gr-2-cofee_1_2.webp?v=1787036255\" alt=\"iFi iDSD GR 2 Portable DAC Headphone Amplifier\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/div\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe GR 2 also incorporates JVCKENWOOD's K2HD technology, designed to restore harmonic information lost during digital recording and processing. A selectable K2 mode provides similar enhancement without upsampling.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eA capacitive colour OLED touchscreen provides direct access to core settings, while iFi Nexis compatibility extends control and firmware-update functionality through the app. For desktop listening, hybrid power mode prioritizes external USB-C power and draws from the internal battery when additional power is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWith a 4,900mAh lithium-polymer battery providing approximately seven hours of operation, the iDSD GR 2 combines portable convenience with the connectivity and amplification capability needed to serve as part of a desktop headphone system.\u003c\/span\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003e\u003cspan\u003eBurr-Brown PCM1795 DAC\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe GR 2 is iFi's first DAC to use the Burr-Brown PCM1795 current-output chipset. It supports PCM up to 768kHz and DSD512 and gives iFi greater flexibility in the design of the accompanying analogue output stage.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003e\u003cspan\u003eFully Balanced Class A Amplification\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe analogue stage uses Class A op-amps and a fully balanced signal path. The balanced headphone output delivers up to 1,513mW RMS at 32 ohms, while upgraded iEMatch circuitry helps accommodate sensitive headphones and IEMs.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003e\u003cspan\u003eBluetooth 5.4 with aptX Lossless\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eBluetooth 5.4 provides wireless playback with aptX Lossless for compatible devices, along with aptX Adaptive, LDAC, LHDC\/HWA, aptX, AAC, and SBC. aptX Lossless supports CD-quality 44.1kHz\/16-bit wireless playback when used with a compatible source and suitable connection conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003e\u003cspan\u003eK2HD Technology\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDeveloped by JVCKENWOOD, K2HD is designed to restore harmonic information lost during the digital recording process. The GR 2 also provides a K2 mode that offers enhancement without upsampling, allowing listeners to choose whether to use the processing according to the recording and their preferences.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 dir=\"ltr\"\u003e\u003cspan\u003ePortable \u0026amp; Desktop Operation\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe internal 4,900mAh battery provides approximately seven hours of portable operation. When external USB-C power is connected, hybrid power mode prioritizes the external supply and draws from the battery when additional power is required.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\u003cspan\u003eKEY FEATURES\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003eBurr-Brown PCM1795 DAC\u003c\/strong\u003e\u003cspan\u003e — Current-output DAC architecture supporting high-resolution digital playback.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003ePCM 768kHz \u0026amp; DSD512\u003c\/strong\u003e\u003cspan\u003e — Supports high-resolution PCM and DSD music libraries.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003eUp to 1,513mW Balanced Output\u003c\/strong\u003e\u003cspan\u003e — Provides substantial headphone-driving capability from the 4.4mm balanced output.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003eFully Balanced Class A Amplification\u003c\/strong\u003e\u003cspan\u003e — Class A op-amps and a balanced signal path form the GR 2's analogue amplification stage.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003eBluetooth 5.4 with aptX Lossless\u003c\/strong\u003e\u003cspan\u003e — Supports aptX Lossless, aptX Adaptive, LDAC, LHDC\/HWA, aptX, AAC, and SBC.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003eK2HD Technology\u003c\/strong\u003e\u003cspan\u003e — JVCKENWOOD processing designed to restore harmonic information lost during digital recording.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003eUpgraded iEMatch\u003c\/strong\u003e\u003cspan\u003e — Helps optimize operation with sensitive headphones and IEMs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003eColour OLED Touchscreen\u003c\/strong\u003e\u003cspan\u003e — Capacitive touchscreen provides direct access to core controls and settings.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003eDigital \u0026amp; Analogue Inputs\u003c\/strong\u003e\u003cspan\u003e — USB-C, S\/PDIF, Bluetooth, balanced 4.4mm analogue, and single-ended 3.5mm analogue connectivity.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003eHybrid Power Mode\u003c\/strong\u003e\u003cspan\u003e — Intelligently combines external USB-C power with battery operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003e4,900mAh Battery\u003c\/strong\u003e\u003cspan\u003e — Provides approximately seven hours of portable listening.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cstrong\u003eiFi Nexis Compatible\u003c\/strong\u003e\u003cspan\u003e — Provides additional control and over-the-air update functionality.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003e\u003cspan\u003eCONNECTIVITY \u0026amp; COMPATIBILITY\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eDigital Inputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eUSB-C\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eS\/PDIF optical\/coaxial\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eBluetooth 5.4\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eAnalogue Inputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e4.4mm balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e3.5mm single-ended\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eHeadphone Outputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e4.4mm balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e3.5mm S-Balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eBalanced: 1,513mW RMS at 32Ω \/ 119mW at 600Ω\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eS-Balanced: 567mW RMS at 32Ω \/ 30mW at 600Ω\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eAnalogue Outputs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e4.4mm balanced\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e3.5mm single-ended\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eSupported Formats\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003ePCM up to 768kHz\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDSD up to DSD512\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eBluetooth Codecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eaptX Lossless\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eaptX Adaptive\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eaptX\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLDAC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLHDC\/HWA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eAAC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSBC\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eBattery \u0026amp; Power\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003e4,900mAh lithium-polymer battery\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eApproximately 7 hours battery life\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eUSB-C power requirement: 5V\/\u0026gt;1.8A\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\n\u003cp dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eApproximately 3.5-hour charging time\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"iFi Audio","offers":[{"title":"Default Title","offer_id":54420481343772,"sku":null,"price":529.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0833\/6139\/9068\/files\/zen_25.png?v=1786436542","url":"https:\/\/rockonav.com\/products\/ifi-idsd-gr-2","provider":"RockOnAV","version":"1.0","type":"link"}