{"product_id":"fiio-m33-r2r-digital-audio-player","title":"FiiO M33 R2R High-Resolution Digital Audio Player","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\u003cp\u003eThe FiiO M33 R2R is a portable high-resolution digital audio player built around FiiO's own R2R resistor-ladder DAC, a design usually reserved for desktop reference gear. Two ES9068AS DAC chips, one per channel, work alongside a fully differential 24-bit R2R array made from 192 precision thin-film resistors, each accurate to within 0.1%, giving the M33 R2R a distinct sound signature that reads differently than a typical delta-sigma DAP. A 5.5-inch 1080p display runs FiiO's Android-based interface, and dual USB-C ports support a dedicated desktop mode for use as a stationary source.\u003c\/p\u003e\u003ch4\u003eSimcoe Audio Video Insight\u003c\/h4\u003e\u003cp\u003eR2R (resistor ladder) DACs decode audio differently than the delta-sigma chips found in most players, and listeners often describe the result as warmer and more natural, with a different rendering of texture and decay. Pairing that architecture with a second, independent ES9068AS chip for each channel is uncommon at this price point, and it's the main reason serious listeners single this player out. The five playback modes, including a dedicated USB DAC mode, mean the M33 R2R can also work as a desktop source for a separate amplifier.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eResistor-ladder R2R DAC section paired with dual ES9068AS chips\u003c\/li\u003e\n\u003cli\u003eFive operating modes including a dedicated USB DAC mode for desktop use\u003c\/li\u003e\n\u003cli\u003e10-band parametric EQ with automatic headphone-curve matching\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eBest for the FiiO M33 R2R:\u003c\/strong\u003e use the desktop mode with a separate headphone or speaker amplifier to hear what the R2R DAC section can do beyond typical portable listening.\u003c\/p\u003e\u003ch3\u003eMore Details\u003c\/h3\u003e\u003ch4\u003eWhy It Wins\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual R2R\/ES9068AS DAC Architecture\u003c\/strong\u003e: A resistor-ladder R2R DAC section works alongside two ES9068AS chips, one per channel, for a fully differential 24-bit signal path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1100mW Balanced Output\u003c\/strong\u003e: The 4.4mm balanced output reaches 1100mW+1100mW into a 32-ohm load in super high gain mode, enough to drive demanding planar and over-ear headphones directly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-Band PEQ with AUTO EQ\u003c\/strong\u003e: FiiO's parametric EQ can automatically match a compatible headphone's measured curve, useful for listeners who want to fine-tune the sound of a specific pair of headphones.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhat Makes It Different\u003c\/h4\u003e\u003cp\u003eMost digital audio players in this range rely entirely on a delta-sigma DAC chip to do the conversion work. The M33 R2R splits that job between a discrete resistor-ladder R2R section and a pair of ES9068AS chips, one dedicated to each channel, an architecture FiiO first built for its desktop-class M27 before adapting it to a portable body. The result is a tonal character that reads as more relaxed and analogue than a typical single-DAC portable player, without giving up the resolution audiophiles expect from a modern flagship.\u003c\/p\u003e\u003ch4\u003eTechnical Highlights\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e15.5-Hour Battery Life\u003c\/strong\u003e: A 4400mAh battery runs up to 15.5 hours over the single-ended output or 13.5 hours balanced, with a 1.5-hour fast-charge cycle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNative DSD512 via USB DAC Mode\u003c\/strong\u003e: Local playback decodes up to DSD256 native and 384kHz\/32-bit PCM, while USB DAC mode extends that to native DSD512 and 768kHz\/32-bit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual USB-C Desktop Mode\u003c\/strong\u003e: A second USB-C port supports FiiO's patented desktop mode, letting the M33 R2R stay connected to power while still transferring audio over the primary port.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuyers Guide\u003c\/h3\u003e\u003ch4\u003eWho This Is For\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Home Audiophile\u003c\/strong\u003e: Listeners who want a desktop-calibre DAC in a portable body for critical listening sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Headphone Collector\u003c\/strong\u003e: Owners of demanding planar or high-impedance headphones who need real balanced output on hand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Format-Curious Listener\u003c\/strong\u003e: Anyone who wants to hear what an R2R DAC sounds like next to their existing delta-sigma gear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eIdeal Use Case\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDedicated Listening Sessions\u003c\/strong\u003e: As a standalone source paired with over-ear or planar headphones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesktop Duty\u003c\/strong\u003e: Connected via USB DAC mode to a computer, using the M33 R2R's R2R\/ES9068AS section as an external DAC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless Listening\u003c\/strong\u003e: Streaming to a Bluetooth speaker or headphones using aptX HD or LDAC when portability matters more than a wired connection.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhat To Pair It With\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced Over-Ear or Planar Headphones\u003c\/strong\u003e: To make full use of the 4.4mm balanced output and its 1100mW of power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Home Amplifier or Powered Speakers\u003c\/strong\u003e: Via the SPDIF coaxial or line outputs, using the M33 R2R as a transport and DAC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Resolution or DSD Source Files\u003c\/strong\u003e: Locally stored or streamed, to hear the difference the R2R section makes over standard MP3 or streaming-quality audio.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAlternative Options\u003c\/h3\u003e\u003cp\u003eThe M33 R2R sits between FiiO's more compact M21 and the flagship M27 in the current lineup. If a smaller, lighter player with a more mainstream delta-sigma DAC suits your listening better, the M21 covers similar ground at a lower cost. If the R2R architecture is the draw and portability matters less, FiiO's M27 goes further with a full desktop-grade circuit in a larger body.\u003c\/p\u003e","brand":"FiiO","offers":[{"title":"Black","offer_id":48328941928669,"sku":"LM-OGHF-YWEE","price":1049.99,"currency_code":"CAD","in_stock":false},{"title":"Blue","offer_id":48328941961437,"sku":"LM-GOIF-XKFS","price":1049.99,"currency_code":"CAD","in_stock":false},{"title":"Gold","offer_id":48328941994205,"sku":"LM-LPDZ-IOJH","price":1049.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0331\/1930\/5859\/files\/fiio-m33-r2r-digital-audio-player-front-angle.png?v=1786107875","url":"https:\/\/www.simcoeav.ca\/fr\/products\/fiio-m33-r2r-digital-audio-player","provider":"Simcoe Audio Video","version":"1.0","type":"link"}