{"product_id":"used-open-box-ibasso-nunchaku-dongle-dac-amp","title":"Used \/ Open-Box iBasso Nunchaku Tube Dongle DAC\/Amp","description":"\u003ch2\u003eProduct overview\u003c\/h2\u003e\n\u003cp\u003eThe iBasso Nunchaku is a USB dongle DAC\/amp built around dual miniature vacuum tubes, dual Cirrus Logic DAC chips, and both balanced and single-ended outputs. It is suited to listeners who want a compact USB-C source with a tube-flavored mode for IEMs and efficient headphones. HiFiLoop presents this page as a used \/ open-box private quote reference page for model research and case-by-case sourcing.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDual Raytheon JAN6418 tube stage with a 22.5V anode power supply.\u003c\/li\u003e\n  \u003cli\u003eSelectable Tube and Class AB output modes for different listening preferences.\u003c\/li\u003e\n  \u003cli\u003eDual CS43198 DAC chipset with in-house FPGA processing and a KDS femtosecond oscillator.\u003c\/li\u003e\n  \u003cli\u003eTI dual OPAmp and BUF634A output stage, with published 525mW + 525mW output power at 32Ω.\u003c\/li\u003e\n  \u003cli\u003e0.96-inch OLED display, multi-function knob, and JRC hardware volume control.\u003c\/li\u003e\n  \u003cli\u003e4.4mm balanced and 3.5mm single-ended outputs, with support for PCM 32-bit\/768kHz and Native DSD512.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eUSB dongle DAC and headphone amplifier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDAC chipset\u003c\/th\u003e\n\u003ctd\u003eDual Cirrus Logic CS43198\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTube stage\u003c\/th\u003e\n\u003ctd\u003eDual Raytheon JAN6418 tubes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTube power supply\u003c\/th\u003e\n\u003ctd\u003e22.5V anode power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput modes\u003c\/th\u003e\n\u003ctd\u003eTube mode and Class AB mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAmplifier stage\u003c\/th\u003e\n\u003ctd\u003eTI dual OPAmp x4 + BUF634A x4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutput power\u003c\/th\u003e\n\u003ctd\u003e525mW + 525mW at 32Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower consumption\u003c\/th\u003e\n\u003ctd\u003e120mA \/ 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDisplay\u003c\/th\u003e\n\u003ctd\u003e0.96-inch OLED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOutputs\u003c\/th\u003e\n\u003ctd\u003e4.4mm balanced, 3.5mm single-ended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHigh-resolution support\u003c\/th\u003e\n\u003ctd\u003ePCM up to 32-bit\/768kHz, Native DSD512\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eSeries \/ category notes\u003c\/h2\u003e\n\u003cp\u003eNunchaku belongs to iBasso's portable USB DAC\/amp category. It is not a DAP, IEM, headphone, desktop DAC, or speaker amplifier, so it maps to HiFiLoop's Dongle DAC\/AMP category.\u003c\/p\u003e\n\u003ch2\u003eCondition \u0026amp; availability\u003c\/h2\u003e\n\u003cp\u003eThis is a used \/ open-box reference listing.\u003c\/p\u003e\n\u003cp\u003eFinal pricing, condition, accessories, and availability are confirmed case by case.\u003c\/p\u003e\n\u003cp\u003ePhotos, cosmetic grade, functional checks, USB-C behavior, output condition, tube behavior, accessories, and regional package differences are reviewed before a quote is confirmed.\u003c\/p\u003e\n\u003ch2\u003eShipping \u0026amp; support\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e3-5 business days processing after confirmation\u003c\/li\u003e\n\u003cli\u003e7-15 days typical international shipping\u003c\/li\u003e\n\u003cli\u003eFree shipping over $199\u003c\/li\u003e\n\u003cli\u003e14-day DOA support\u003c\/li\u003e\n\u003cli\u003eRepair path from day 15 to day 180\u003c\/li\u003e\n\u003cli\u003eBuyer may be responsible for return shipping, taxes, and duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eWhat does this Reference Listing mean?\u003c\/h3\u003e\u003cp\u003eIt means this page is used for model research and private quote requests. HiFiLoop checks suitable used or open-box options before confirming any quote.\u003c\/p\u003e\n\u003ch3\u003eIs this exact unit ready to ship?\u003c\/h3\u003e\u003cp\u003eNo. The exact unit, condition, accessories, version, and availability must be confirmed before quote.\u003c\/p\u003e\n\u003ch3\u003eCan HiFiLoop help me find another unit?\u003c\/h3\u003e\u003cp\u003eYes. Send the target model, destination country, budget range, and condition preference, and HiFiLoop can help check used or open-box options.\u003c\/p\u003e","brand":"iBasso","offers":[{"title":"Default Title","offer_id":48327436042454,"sku":null,"price":179.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/7445\/9862\/files\/SKU__1__CB18.png?v=1780667623","url":"https:\/\/www.hifiloop.com\/products\/used-open-box-ibasso-nunchaku-dongle-dac-amp","provider":"HiFiLoop","version":"1.0","type":"link"}