{"product_id":"fiio-m33-r2r-dap-8-128gb-portable-hi-resolution-digital-audio-music-player-black","title":"FiiO M33 R2R DAP 8+128GB Portable Hi Resolution Digital Audio Music Player Black","description":"\u003c!--M_96613636#s0-2--\u003e\u003clink rel=\"dns-prefetch\" href=\"\/\/ir.ebaystatic.com\"\u003e\u003clink rel=\"dns-prefetch\" href=\"\/\/secureir.ebaystatic.com\"\u003e\u003clink rel=\"dns-prefetch\" href=\"\/\/i.ebayimg.com\"\u003e\u003clink rel=\"dns-prefetch\" href=\"\/\/rover.ebay.com\"\u003e\u003clink rel=\"preload\" fetchpriority=\"high\" href=\"https:\/\/ir.ebaystatic.com\/cr\/v\/c1\/market-sans\/v1.0\/MarketSans-Regular-WebS.woff2\" as=\"font\" type=\"font\/woff2\"\u003e\u003cstyle nonce=\"ptQPs4Ji56kovGMXCSHuPg==\"\u003e\n            body {\n                font-family: 'Market Sans', Arial, sans-serif;\n            }\n        \u003c\/style\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta name=\"viewport\" content=\"width=device-width, initial-scale=1\"\u003e\u003ctitle\u003eeBay\u003c\/title\u003e\u003clink nonce=\"ptQPs4Ji56kovGMXCSHuPg==\" rel=\"stylesheet\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/vendor-ebayui-core-Bn8-IVyA.css\"\u003e\u003clink nonce=\"ptQPs4Ji56kovGMXCSHuPg==\" rel=\"stylesheet\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/tracking-interactions-DaZdnrm-.css\"\u003e\u003clink nonce=\"ptQPs4Ji56kovGMXCSHuPg==\" rel=\"stylesheet\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_page-OKm634qT.css\"\u003e\u003clink nonce=\"ptQPs4Ji56kovGMXCSHuPg==\" rel=\"stylesheet\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/style-De_TpA1z.css\"\u003e\u003c!--M_96613636^s0-2-12 s0-2 12--\u003e\u003cdiv data-marko-key=\"@container s0-2-12\" class=\"x-item-description-child\" data-testid=\"x-item-description-child\"\u003e\n\u003cdiv style=\"display: none;\"\u003e\n\u003ch1\u003eFiiO M33 R2R DAP Portable Hi Resolution Digital Audio Music Player Black\u003c\/h1\u003e\nFiiO M23 Portable High Resolution Audio Player Pure Audio Performance FiiO’s inaugural R2R-driven portable player introduces a resistor ladder DAC topology into a compact, Android-enabled device engineered for daily listening and desktop use. A Snapdragon 680 chipset delivers an excellent interface experience, the 5.5-inch 1080p screen is comfortable to view, and a complete titanium-based multi-stage amplifier supplies clean output through both balanced and single-ended connections. The device blends portability with serious audio engineering, making it suitable for casual sessions and focused listening alike. Its hardware balance ensures that performance is never sacrificed for convenience. Reference-Grade Amplification Design The integrated amplification draws inspiration from FiiO’s premium models, employing a full-series titanium multi-stage configuration. The objective is uniformity across gain levels and reduced noise during demanding loads. This results in dependable performance for sensitive in-ear monitors and more power-hungry full-size headphones, whether used portably or at a workstation. The amplifier architecture maintains clarity even under higher output demands. It is tuned to preserve dynamics without introducing harshness. True 24-bit fully differential R2R DAC with precision thin-film resistor arrays Titanium multi-stage amplifier with balanced and single-ended outputs Snapdragon 680 Android platform with smooth UI and streaming support Advanced shielding, thermal control and protection circuitry NJW1195A electronic volume system for low-noise, precise level adjustment Precision Electronic Volume Control – NJW1195A The NJW1195A delivers high-grade digital volume management. This four-channel electronic attenuator utilises a resistor ladder potentiometer with minimal distortion and reduced noise, enabling accurate level adjustment. Fine control allows subtle listening calibration without sacrificing transparency. Volume transitions remain smooth and precisely graduated. Authentic R2R Conversion Technology This player employs a genuine R2R DAC configuration rather than a typical delta-sigma implementation. Resistor ladder decoding emphasises exact voltage transitions and organic timing, characteristics many users associate with a grounded, analogue-inspired sound signature. FiiO integrates selectable OS and NOS options, allowing users to prioritise oversampling accuracy or a more direct non-oversampling pathway. This flexibility enables tailored sonic presentation. The design philosophy focuses on musicality as well as measurable precision. Fully Differential 24-Bit Architecture The device incorporates a true fully differential 24-bit R2R DAC resistor network. FiiO’s newly engineered four-channel differential 24-bit R2R array comprises dual 48-element precision thin-film resistor ladders per channel, amounting to 192 resistors with 0.1% tolerance and minimal thermal variation (30ppm). This structure produces a distinctive and engaging tonal character. The tightly matched components ensure channel balance and phase coherence. It delivers a presentation that feels both technically refined and emotionally compelling.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstyle\u003e\u003c!-- \/* CEN: eBay template \u0026#8212; self-contained, mirrors cen.uk product page styling *\/ @import url('https:\/\/fonts.googleapis.com\/css2?family=Nunito+Sans:wght@400;600;700;800;900\u0026display=swap'); .cen-ebay, .cen-ebay * { margin:0; padding:0; box-sizing:border-box; } .cen-ebay { font-family:'Nunito Sans', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; color:#1a1a1a; background:#fff; max-width:1100px; margin:0 auto; font-size:15px; line-height:1.6; } .cen-ebay a { color:inherit; text-decoration:none; } .cen-ebay img { max-width:100%; height:auto; display:block; } \/* CEN: top banner *\/ .cen-topbar { background:#000; color:#fff; text-align:center; font-size:13px; font-weight:700; letter-spacing:.06em; text-transform:uppercase; padding:9px 15px; } .cen-topbar span { color:#A69862; } \/* CEN: header *\/ .cen-header { display:flex; 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justify-content:center; } .cen-trust { grid-template-columns:repeat(2,1fr); } .cen-trust \u003e div:last-child { grid-column:1 \/ -1; } .cen-title { font-size:21px; } .cen-section { padding:24px 16px; } .cen-footer { flex-direction:column; text-align:center; } .cen-footer p { text-align:center; } } --\u003e\u003c\/style\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"cen-ebay\"\u003e\n\u003cdiv id=\"cen-desc\" class=\"cen-section\"\u003e\n\u003ch2 class=\"cen-h2\"\u003eProduct \u003cem\u003eDescription\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"cen-desc-body\"\u003e\n\u003ch2\u003eFiiO M23\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePortable High Resolution Audio Player\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003ePure Audio Performance\u003c\/h2\u003e\n\u003cp\u003eFiiO’s inaugural R2R-driven portable player introduces a resistor ladder DAC topology into a compact, Android-enabled device engineered for daily listening and desktop use. A Snapdragon 680 chipset delivers an excellent interface experience, the 5.5-inch 1080p screen is comfortable to view, and a complete titanium-based multi-stage amplifier supplies clean output through both balanced and single-ended connections.\u003c\/p\u003e\n\u003cp\u003eThe device blends portability with serious audio engineering, making it suitable for casual sessions and focuséd listening alike. Its hardware balance ensures that performance is never sacrificed for convenience.\u003c\/p\u003e\n\u003ch2\u003eReference-Grade Amplification Design\u003c\/h2\u003e\n\u003cp\u003eThe integrated amplification draws inspiration from FiiO’s premium models, employing a full-series titanium multi-stage configuration. The objective is uniformity across gain levels and reduced noise during demanding loads.\u003c\/p\u003e\n\u003cp\u003eThis results in dependable performance for sensitive in-ear monitors and more power-hungry full-size headphones, whether uséd portably or at a workstation. The amplifier architecture maintains clarity even under higher output demands. It is tuned to preserve dynamics without introducing harshness.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTrue 24-bit fully differential R2R DAC with precision thin-film resistor arrays\u003c\/li\u003e\n\u003cli\u003eTitanium multi-stage amplifier with balanced and single-ended outputs\u003c\/li\u003e\n\u003cli\u003eSnapdragon 680 Android platform with smooth UI and streaming support\u003c\/li\u003e\n\u003cli\u003eAdvanced shielding, thermal control and protection circuitry\u003c\/li\u003e\n\u003cli\u003eNJW1195A electronic volume system for low-noise, precise level adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003ePrecision Electronic Volume Control – NJW1195A\u003c\/h2\u003e\n\u003cp\u003eThe NJW1195A delivers high-grade digital volume management. This four-channel electronic attenuator utilises a resistor ladder potentiometer with minimal distortion and reduced noise, enabling accurate level adjustment.\u003c\/p\u003e\n\u003cp\u003eFine control allows subtle listening calibration without sacrificing transparency. Volume transitions remain smooth and precisely graduated.\u003c\/p\u003e\n\u003ch2\u003eAuthentic R2R Conversion Technology\u003c\/h2\u003e\n\u003cp\u003eThis player employs a genuine R2R DAC configuration rather than a typical delta-sigma implementation. Resistor ladder decoding emphasises exact voltage transitions and organic timing, characteristics many users associate with a grounded, analogue-inspired sound signature.\u003c\/p\u003e\n\u003cp\u003eFiiO integrates selectable OS and NOS options, allowing users to prioritise oversampling accuracy or a more direct non-oversampling pathway. This flexibility enables tailored sonic presentation. The design philosophy focuses on musicality as well as measurable precision.\u003c\/p\u003e\n\u003ch2\u003eFully Differential 24-Bit Architecture\u003c\/h2\u003e\n\u003cp\u003eThe device incorporates a true fully differential 24-bit R2R DAC resistor network. FiiO’s newly engineered four-channel differential 24-bit R2R array comprises dual 48-element precision thin-film resistor ladders per channel, amounting to 192 resistors with 0.1% tolerance and minimal thermal variation (30ppm).\u003c\/p\u003e\n\u003cp\u003eThis structure produces a distinctive and engaging tonal character. The tightly matched components ensure channel balance and phase coherence. It delivers a presentation that feels both technically refined and emotionally compelling.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"cen-specs\" class=\"cen-section\"\u003e\n\u003ch2 class=\"cen-h2\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"cen-desc-body\"\u003e\n\u003cul\u003e\n\u003cli\u003eWeight 258g\u003c\/li\u003e\n\u003cli\u003eDimensions (HxWxD) 138.2 x 71.5 x 17 mm\u003c\/li\u003e\n\u003cli\u003eFrequency Response 20Hz~40kHz:\u003c\/li\u003e\n\u003cli\u003eDAC Chip FIIO proprietary R2R DACba\u003c\/li\u003e\n\u003cli\u003eTHD+N 0.0183%; DSD: 0.0033%\u003c\/li\u003e\n\u003cli\u003eS\/N ≥117dB (A-weighted)\u003c\/li\u003e\n\u003cli\u003eBattery 4400mAh\u003c\/li\u003e\n\u003cli\u003eCrosstalk ≥74dB (1kHz@322)\u003c\/li\u003e\n\u003cli\u003eBuilt-in Memory 128 GB (Internal storage) \/ 8GB (RAM)\u003c\/li\u003e\n\u003cli\u003eExternal memory Up pto 2 TB micro-SD cards\u003c\/li\u003e\n\u003cli\u003eDisplay 5.5-inch 1080p touchscreen display\u003c\/li\u003e\n\u003cli\u003eInputs\/Outputs Analog outputs 1x 3.5mm, 1 x 4.4mm\u003c\/li\u003e\n\u003cli\u003eDigital outputs 1x 3.5mm COAX (384kHz\/24bit; DSD128 (DOP\/D2P))\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"cen-box\" class=\"cen-section\"\u003e\n\u003ch2 class=\"cen-h2\"\u003eWhat's In \u003cem\u003eThe Box\u003c\/em\u003e\n\u003c\/h2\u003e\n\u003cdiv class=\"cen-desc-body\"\u003e\n\u003cul\u003e\n\u003cli\u003eM33 R2R Black\u003c\/li\u003e\n\u003cli\u003eLeather protective case\u003c\/li\u003e\n\u003cli\u003eTempered glass screen protector\u003c\/li\u003e\n\u003cli\u003eUSB charging cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"cen-delivery\" class=\"cen-section\"\u003e \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cspan class=\"ebay\"\u003eOn Aug 29, 2026 at 02:37:42 PDT, seller added the following information:\u003c\/span\u003e\u003cp\u003e\u003c\/p\u003e\n\u003c!--[Datacaciques code start,code,don't modify it]--\u003e\u003cstyle type=\"text\/css\"\u003e.dc_tracker_img{display:none;}.dc_tracker_img:last-of-type{display:block;}p:empty+hr{display:none;}hr+span.ebay,hr+*\u003espan.ebay{display:none;}\u003c\/style\u003e\n\u003cdiv class=\"dc_tracker_img\" style=\"text-align:center;margin-top:25px\"\u003e\u003cimg src=\"https:\/\/gate.datacaciques.com\/track\/img?_lid=318795259045\" data=\"__dc_tracker\" alt=\"Datacaciques\"\u003e\u003c\/div\u003e\n\u003c!--[Datacaciques code end]--\u003e\n\u003c\/div\u003e\u003c!--M_96613636\/--\u003e\u003clink nonce=\"ptQPs4Ji56kovGMXCSHuPg==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_DAXXjFlN.js\"\u003e\u003clink nonce=\"ptQPs4Ji56kovGMXCSHuPg==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_CrEuKir8.js\"\u003e\u003clink nonce=\"ptQPs4Ji56kovGMXCSHuPg==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_-IftT2fi.js\"\u003e\u003clink nonce=\"ptQPs4Ji56kovGMXCSHuPg==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_CAjUtFyq.js\"\u003e\u003clink nonce=\"ptQPs4Ji56kovGMXCSHuPg==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_CHUtYbSs.js\"\u003e\u003clink nonce=\"ptQPs4Ji56kovGMXCSHuPg==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_CmbIxsEW.js\"\u003e\u003clink nonce=\"ptQPs4Ji56kovGMXCSHuPg==\" rel=\"modulepreload\" crossorigin=\"\" href=\"https:\/\/ir.ebaystatic.com\/rs\/c\/r1vinode\/_5r4MXvx4.js\"\u003e\u003c!--M_96613636\/--\u003e","brand":"Buy Our Tea","offers":[{"title":"Default Title","offer_id":68710394724633,"sku":null,"price":1498.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0817\/1887\/0297\/files\/s-l1600_a7dfb64a-8f35-43b9-a6e7-f754f6236030.jpg?v=1794737765","url":"https:\/\/buyourtea.com\/products\/fiio-m33-r2r-dap-8-128gb-portable-hi-resolution-digital-audio-music-player-black","provider":"Buy Our Tea","version":"1.0","type":"link"}