{"product_id":"fiio-k13-r2r-hifiman-he400se-headphone-hi-fi-system","title":"FiiO K13 R2R + HIFIMAN HE400se Headphone Hi-Fi System","description":"\u003ch2\u003e🧾 Overview\u003c\/h2\u003e\u003cp\u003eA complete desktop headphone system combining the FiiO K13 R2R DAC\/headphone amplifier with the HIFIMAN HE400se open-back planar magnetic headphones. The K13 R2R provides powerful amplification, a fully differential 24-bit R2R DAC and flexible digital connectivity, while the HE400se delivers an open, spacious presentation with planar magnetic speed and detail.\u003c\/p\u003e\u003ch2\u003e✅ Key Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e✅ FiiO K13 R2R with proprietary fully differential 24-bit R2R DAC\u003c\/li\u003e\n\u003cli\u003e✅ Up to 2400 mW + 2400 mW at 32 Ω from the balanced headphone output\u003c\/li\u003e\n\u003cli\u003e✅ NOS and OS playback modes for two different R2R listening presentations\u003c\/li\u003e\n\u003cli\u003e✅ USB, optical, coaxial and Bluetooth inputs\u003c\/li\u003e\n\u003cli\u003e✅ 10-band PEQ for precise sound adjustment\u003c\/li\u003e\n\u003cli\u003e✅ HIFIMAN HE400se open-back planar magnetic headphones\u003c\/li\u003e\n\u003cli\u003e✅ 32 Ω impedance and 91 dB sensitivity\u003c\/li\u003e\n\u003cli\u003e✅ Excellent power reserve for driving the HE400se\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdetails\u003e\u003csummary style=\"font-size:1.2em; font-weight:bold; text-decoration:underline; cursor:pointer;\"\u003e📊 Technical Specifications ▼\u003c\/summary\u003e\u003ctable border=\"1\" cellspacing=\"0\" cellpadding=\"4\" style=\"margin-top:10px;\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem type\u003c\/td\u003e\n\u003ctd\u003eDesktop DAC \/ headphone amplifier + open-back planar headphones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eK13 DAC\u003c\/td\u003e\n\u003ctd\u003eFiiO proprietary fully differential 24-bit R2R DAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eK13 decoding\u003c\/td\u003e\n\u003ctd\u003ePCM up to 384 kHz \/ 32-bit; DSD256\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eK13 operating modes\u003c\/td\u003e\n\u003ctd\u003eOS \/ NOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eK13 inputs\u003c\/td\u003e\n\u003ctd\u003eUSB, coaxial, optical, Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eK13 headphone outputs\u003c\/td\u003e\n\u003ctd\u003eBalanced and single-ended headphone outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eK13 balanced output power\u003c\/td\u003e\n\u003ctd\u003eUp to 2400 mW + 2400 mW @ 32 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eK13 gain\u003c\/td\u003e\n\u003ctd\u003eLow \/ Medium \/ High\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eK13 EQ\u003c\/td\u003e\n\u003ctd\u003e10-band PEQ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHE400se type\u003c\/td\u003e\n\u003ctd\u003eOpen-back planar magnetic headphones\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHE400se frequency response\u003c\/td\u003e\n\u003ctd\u003e20–20,000 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHE400se impedance\u003c\/td\u003e\n\u003ctd\u003e32 Ω\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHE400se sensitivity\u003c\/td\u003e\n\u003ctd\u003e91 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHE400se weight\u003c\/td\u003e\n\u003ctd\u003e385 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/details\u003e\u003ch2\u003e📦 What’s in the Box\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e📦 FiiO K13 R2R × 1\u003c\/li\u003e\n\u003cli\u003e🎛️ IR remote control × 1\u003c\/li\u003e\n\u003cli\u003e🔌 Power accessories\u003c\/li\u003e\n\u003cli\u003e📦 HIFIMAN HE400se headphones × 1\u003c\/li\u003e\n\u003cli\u003e🎧 Headphone cable × 1\u003c\/li\u003e\n\u003cli\u003e🔌 6.35 mm headphone adapter × 1\u003c\/li\u003e\n\u003cli\u003e📖 Quick-start \/ user documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e🔄 Compatibility\u003c\/h2\u003e\u003cp\u003eThe 32 Ω HIFIMAN HE400se is well suited to the FiiO K13 R2R, which delivers up to 2.4 W per channel into a 32 Ω load from its balanced output. This gives the planar magnetic headphones substantial power headroom for desktop listening while the K13 R2R also supports USB, optical, coaxial and Bluetooth sources.\u003c\/p\u003e\u003ch2\u003e📦✈️ Shipping \u0026amp; Returns\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e📦 Insured worldwide delivery\u003c\/li\u003e\n\u003cli\u003e🔄 14-day return policy\u003c\/li\u003e\n\u003cli\u003e🛡️ 2-year EU warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003e📝 Reviews\u003c\/h2\u003e\u003cp\u003e💬 “Be the first to leave a review – share your experience and help others!”\u003c\/p\u003e\u003ch2\u003e⚠️ Warning\u003c\/h2\u003e\u003cp\u003e⚠️ Open-back planar headphones plus a powerful R2R amplifier may turn “one album” into a very long listening session.\u003c\/p\u003e","brand":"🟢 PremiumHIFI audio store","offers":[{"title":"Black","offer_id":54845578117466,"sku":null,"price":433.0,"currency_code":"EUR","in_stock":true},{"title":"Silver","offer_id":54845578150234,"sku":null,"price":433.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0600\/5044\/0324\/files\/ChatGPT_25_._2026_._09_22_00-1.png?v=1790317342","url":"https:\/\/premiumhifi.lv\/fr\/products\/fiio-k13-r2r-hifiman-he400se-headphone-hi-fi-system","provider":"🟢 PremiumHIFI audio store","version":"1.0","type":"link"}