{"product_id":"ifi-gobar","title":"ifi Go Bar Portable USB DAC\/Headphone Amp","description":"\n\u003cp\u003eThe \u003cstrong\u003eGO bar \u003c\/strong\u003eis ifis top-of-the-line ultra portable USB DAC\/headphone amp.\u003c\/p\u003e\n\u003cp\u003eWhether you are commuting, working remotely or at your desk or simply travelling for pleasure, the \u003cstrong\u003eGO bar\u003c\/strong\u003e is the perfectly portable way to make headphones sound heavenly.\u003c\/p\u003e\n\u003cp\u003eConnect to your laptop, MacBook, tablet or smartphone or any other digital device with a USB port for sensational sound at home, in the office, or on the move.\u003c\/p\u003e\n\u003cp\u003eThe GO bar is Roon Tested.\u003c\/p\u003e\n\u003cp\u003eRoon Tested devices work over USB, HDMI, AirPlay, Google Cast, and other protocols. They have been profiled by the Roon team to ensure simple setup and effortless daily use.\u003c\/p\u003e\n\u003cp\u003eAccessories include a leather travel case and a Lightening to USB-C, no need to buy a Camera Connection Kit, plus a USB-C OTG cable and a USB-C to USB-A adapter.\u003c\/p\u003e\n\u003ch3\u003eSmall. But mighty.\u003c\/h3\u003e\n\u003cp\u003eThe DAC section of the \u003cstrong\u003eGO bar\u003c\/strong\u003e uses a powerful 16-core XMOS micro controller to process the audio data received at the USB input. Ifis in-house team has programmed the XMOS firmware to optimise sound quality and ensure a perfect partnership with the \u003cstrong\u003eGO bars\u003c\/strong\u003e 32-bit Cirrus Logic DAC chipset.\u003c\/p\u003e\n\u003cp\u003eA customised digital filter minimises pre-echoes and ringing artefacts. Ifis GMT (Global Master Timing) precision clock system ensures ultra-low jitter.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUltra-res PCM up to 32-bit\/384kHz via USB \u003c\/li\u003e\n\u003cli\u003eNative playback up to DSD256\u003c\/li\u003e\n\u003cli\u003e2x DXD\u003c\/li\u003e\n\u003cli\u003eFull MQA decoding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSuits you, sir\u003c\/h3\u003e\n\u003cp\u003eFour bespoke digital filtering options:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBit Perfect\u003c\/strong\u003e no digital filtering, no pre or post ringing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard\u003c\/strong\u003e modest filtering, modest pre and posting ringing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum Phase\u003c\/strong\u003e slow roll-off, minimum pre and post ringing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGibbs Transient Optimised\u003c\/strong\u003e - minimum filtering, no pre-ringing and minimum post ringing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTwo analogue processing modes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eXBass+\u003c\/strong\u003e an analogue bass boost to add back lost bass response for more accurate reproduction of the original\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eXSpace\u003c\/strong\u003e - a holographic sound field to open up your music to give you the spaciousness of a live concert\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExternal affairs\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGO bars\u003c\/strong\u003e smart alloy case sports physical buttons for precise volume adjustment plus controls to select between various sonic tuning options. A column of coloured LEDs provides a handy guide to the format and sample rate of the digital audio currently playing, and whether \u003cstrong\u003eXBass+\u003c\/strong\u003e and\/or \u003cstrong\u003eXSpace\u003c\/strong\u003e are engaged.\u003c\/p\u003e\n\u003cp\u003eAt one end is an asynchronous USB-C input and at the other a pair of headphone outputs.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e4.4mm fully balanced output headphones with a balanced cable\/connector can benefit from the fully balanced circuitry of the \u003cstrong\u003eGO bar\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e3.5mm S-Balanced output our S-Balanced tech cuts crosstalk and noise by 50% with regular single-ended headphones.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBalance of power\u003c\/h3\u003e\n\u003cp\u003eDespite its diminutive size, the \u003cstrong\u003eGO bars\u003c\/strong\u003e analogue circuitry sports a balanced circuit design with symmetrical twin-channel output stage. This reduces noise and crosstalk in the signal path by fully separating the left and right channels. This is usually found in larger and more expensive amplifiers.\u003c\/p\u003e\n\u003cp\u003eThe circuitry is packed full of high quality discrete components and special attention has been paid to power supply filtering too, dramatically reducing signal noise introduced through the USB input.\u003c\/p\u003e\n\u003ch3\u003ePurity and power\u003c\/h3\u003e\n\u003cp\u003eThe amps design combines sonic purity with power.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e475mW into 32 ohms\u003c\/li\u003e\n\u003cli\u003e7.5V into 600 ohms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNo headphone amp of such a diminutive size can match the\u003cstrong\u003e GO bar\u003c\/strong\u003es ability to drive tricky headphone loads or work with a wider variety of headphones.\u003c\/p\u003e\n\u003cp\u003eThe GO bar also incorporates two power tuning technologies:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eiEMatch attenuates power to suit high-sensitivity headphones and IEMs, it removes background noise and increases usable volume range\u003c\/li\u003e\n\u003cli\u003eTurbo ramps up the gain by 6dB to satisfy more power-hungry headphones\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e*Please note that the GO bar may not work with iPhones up to and including 6S when the phone battery is low (\u0026lt;30%).\u003c\/p\u003e\n\u003ch1\u003eSpecifications\u003c\/h1\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormats\u003c\/td\u003e\n\u003ctd\u003ePCM\u003cbr\u003eDSD\u003cbr\u003eDXD\u003cbr\u003eMQA\u003c\/td\u003e\n\u003ctd\u003e44.1\/48\/88.2\/96\/176.4\/192\/35\u003cbr\u003e2.8\/384kHz 2.8\/3.1\/5.6\/6.1\/11.3\/12.3MHz\u003cbr\u003e352.8\/384kHz\u003cbr\u003eFull Decoder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDAC\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eBit-Perfect DSD \u0026amp; DXD DAC by Cirrus Logic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeadphone Output\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eBAL 4.4mm\/UnBAL 3.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Output\u003c\/td\u003e\n\u003ctd\u003eBalanced\u003cbr\u003eUnBAL\u003c\/td\u003e\n\u003ctd\u003e475mW@32; 7.2V@600\u003cbr\u003e300mW@32; 3.8V@600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Impedance\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1 (BAL\/UnBAL)*\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSNR\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e132dBA \/ 108dBA (BAL\/UnBAL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDNR\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e109dB(A) \/ 108dB(A) (BAL\/UnBAL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTHD + N\u003c\/td\u003e\n\u003ctd\u003eBalanced\u003cbr\u003eUnBAL\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.002% (6.5mW\/2.0V @ 600)\u003cbr\u003e\u0026lt;0.09% (100mW\/1.27V @ 16)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e20Hz - 45kHz (-3dB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;4W max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e65 x 22 x 13.2 mm (2.6\" x 0.9\" x 0.5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e28.5g (1.0 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty period\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e12 months\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n","brand":"iFi Audio","offers":[{"title":"Default Title","offer_id":51938579185930,"sku":"IFIAUDIO-7790","price":329.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0917\/3283\/6618\/files\/ifi-go-bar-portable-usb-dac-headphone-amp-38231-p.jpg?v=1760363376","url":"https:\/\/audioemotion.co.uk\/products\/ifi-gobar","provider":"Audio Emotion Limited","version":"1.0","type":"link"}