{"product_id":"fiio-k9pro-desktop-dac-amp","title":"FiiO K9 PRO Desktop DAC\/Amp","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cem\u003eNote: K9 Pro AKM version was a limited edition product and is now sold out. K9 Pro ESS version is in-stock and shipping now.\u003c\/em\u003e\u003c\/p\u003e\n \u003ch1 data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eFiiO flagship now with dual ESS DAC chips\u003c\/b\u003e\u003c\/h1\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eThe FiiO K9 Pro Desktop DAC\/Amp has become a huge hit thanks to overwhelmingly positive reviews from YouTubers like DMS and Joshua Valour. (Check out those reviews below.) It featured an AK4499 DAC chip that was in short supply to begin with, due to \u003c\/span\u003e\u003ca data-mce-fragment=\"1\" href=\"https:\/\/apos.audio\/blogs\/news\/devastating-fire-shuts-down-entire-production-line-for-akm-until-2021\" data-mce-href=\"https:\/\/apos.audio\/blogs\/news\/devastating-fire-shuts-down-entire-production-line-for-akm-until-2021\" target=\"_blank\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003ethe fire at the AKM factory in 2020\u003c\/span\u003e\u003c\/a\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e, and is now completely sold out. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eNow, FiiO has pivoted to using dual flagship SABRE ES9038 PRO DAC chips by American manufacturer ESS. (The original featured a single chip.) \u003ca href=\"https:\/\/apos.audio\/blogs\/news\/fiio-k9-pro-ess-vs-k9-pro\" target=\"_blank\"\u003eRead our deep dive into the differences between the models. \u003c\/a\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eDual ESS SABRE ES9038PRO DAC chips\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eDual ES9038PRO DAC chips take the K9 Pro to new heights, achieving better THD+N and SNR than its predecessor. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eExemplary dual THX AAA Amps\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eThe pair of THX AAA 788+ chips used in the K9 Pro ESS provides exemplary details and dynamics for both low and high-impedance headphones. The K9 Pro ESS can output up to 46Vpp transients when driving high-impedance loads, and up to an undistorted 2W when pushing low-impedance loads. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eDual femtosecond clocks\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eUsing an ultra-precise clock management system, the K9 Pro ESS can maintain maximum quality no matter the source. Dual asynchronous femtosecond clocks are used to decode USB and Bluetooth sources, while automatic PLL clocks are used to decode optical and coaxial sources.\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eHi-res Bluetooth\u003c\/strong\u003e\u003c\/h2\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eThe K9 Pro ESS employs the Qualcomm QC5124 to handle Bluetooth duties, with support for formats such as LDAC, aptX HD and aptX Adaptive. This chip ensures that Bluetooth connections are both reliable and quick, satisfying both the low latency needs for games\/videos and the high bitrate necessary for high resolution audio. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eFlawless volume adjustment \u003c\/b\u003e\u003c\/h2\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eThe volume knob may seem like a pretty simple component of an amp, but executing it well is crucial to the listening experience. The ADC curve reconstruction method of volume adjustment used in the K9 Pro ESS effectively minimizes any left-right channel volume imbalance and noise. It also results in a smooth change of volume across all levels. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003e3-way gain adjustment\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eSwitch between low, medium, and high gain to accommodate your entire headphone library. Thanks to a pure hardware gain circuit, the K9 Pro ESS maintains the dynamic range and fidelity of your music even while amplifying high-sensitivity headphones at low gain. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eUtterly elegant UI\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eControls are clearly and intuitively laid out for an effortless experience. Metal switches are used for controlling input selection and gain level. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 data-mce-fragment=\"1\"\u003e\u003cb data-mce-fragment=\"1\"\u003eLight it up\u003c\/b\u003e\u003c\/h2\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eThe RGB indicator lights surrounding the stainless steel volume knob change colors depending on the currently playing sample rate. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003ch2 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eTake control\u003c\/strong\u003e\u003c\/h2\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eBuilt-in Bluetooth low energy technology allows you to use the FiiO Control App to control functions like channel balance, sleep timer at any time, even when not in Bluetooth mode. \u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eProduct highlights \u003c\/strong\u003e\u003c\/h3\u003e\n \u003cul data-mce-fragment=\"1\"\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eDual ESS SABRE ES9038 PRO chips\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eDual THX-AAA 788+ amplifiers\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eDual femtosecond clocks\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eQualcomm QCC5124\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eSupports LDAC, aptX adaptive, aptX HD\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eApp control\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eTruly balanced design\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eDual voltage linear transformer\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eWide connector selection\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eLossless MQA decoding\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eBluetooth format indicator\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cul data-mce-fragment=\"1\"\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eDAC chip: ESS SABRE ES9038PRO x2\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eUSB chip: XMOS XUF208\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eBluetooth chip: Qualcomm QCC5124\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eAmp: THX-AAA 788+ x2\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eLinear transformer: THAILIN\/BingZ\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eGain: L\/M\/H\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eSupported Bluetooth codecs: AAC, SBC, aptX, aptX LL, atpX HD, LDAC, aptX adaptive\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eMaximum supported sampling rates\u003c\/span\u003e\u003c\/li\u003e\n \u003cul data-mce-fragment=\"1\"\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eUSB DAC: 32-bit\/384kHz, DSD256\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eCoaxial: 24-bit\/192kHz\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eOptical: 24-bit\/96kHz\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eRecommended headphone impedance: 16-600Ω\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eUSB: Type-C, USB B (data transmission)\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eInputs: RCA, 4.4mm balanced, optical\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eOutputs: 4.4mm balanced, XLR, 6.35mm, RCA\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eWeight: 6lbs (2750g)\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eSingle-ended line out parameters\u003c\/span\u003e\u003c\/p\u003e\n \u003cul data-mce-fragment=\"1\"\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eTHD+N: \u0026lt;0.00042%\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eSNR: ≥123dB\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eCrosstalk: ≥115dB\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eNoise floor: \u0026lt;1.9uV\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eFrequency response: 20Hz - 20kHz\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eLine level: 2.5Vrms\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eBalanced line out performance parameters:\u003c\/span\u003e\u003c\/p\u003e\n \u003cul data-mce-fragment=\"1\"\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eTHD+N: \u0026lt;0.00025%\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eSNR: ≥128dB\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eCrosstalk: ≥125dB\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eNoise floor: \u0026lt;1.9uV\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eFrequency response: 20Hz - 50kHz\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eLine level: 5Vrms\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eSingle-ended headphone output parameters:\u003c\/span\u003e\u003c\/p\u003e\n \u003cul data-mce-fragment=\"1\"\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eContinuous undistorted output power 1: ≥1.2W (16Ω\/ THD+N\u0026lt; 1%, Aux in)\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eContinuous undistorted output power 2: ≥2W (16Ω\/THD+N＜1%，UAC\/SPDIF\/BT IN)\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eContinuous undistorted output power 3 : ≥281mW (300Ω\/ THD+N\u0026lt; 1%, Aux in)\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eOutput impedance: \u0026lt;1Ω\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eCrosstalk: ≥75dB\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eTHD+N: \u0026lt;0.00033%\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eNoise floor: \u0026lt;2uV\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eSNR: ≥129dB\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eFrequency response: 20Hz - 50kHz\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eMax output voltage: \u0026gt;26Vp-p\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eBalanced headphone output parameters\u003c\/span\u003e\u003c\/p\u003e\n \u003cul data-mce-fragment=\"1\"\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eContinuous undistorted output power: ≥1.1W\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eOutput impedance: \u0026lt;1Ω\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eContinuous undistorted output power 2: ≥2.1W (32Ω \/ THD+N \u0026lt; 1%, Aux in)\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eContinuous undistorted power 3: ≥1.1W (300Ω\/ THD+N \u0026lt;1%, Aux in)\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eNoise floor: \u0026lt;3uV\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eFrequency response: 5Hz - 50kHz\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eOutput impedance: \u0026lt;1Ω\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eCrosstalk: ≥114dB (1kHz, Aux in)\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eTHD+N: \u0026lt;0.0003%\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eSNR: ≥123dB\u003c\/span\u003e\u003c\/li\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eMax output voltage: \u0026gt;52Vp-p\u003c\/span\u003e\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3 data-mce-fragment=\"1\"\u003e\u003cstrong\u003eWhat pairs well\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cul data-mce-fragment=\"1\"\u003e\n \u003cli data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003e\n \u003ca data-mce-fragment=\"1\" href=\"https:\/\/apos.audio\/products\/apos-caspian-headphone?_pos=1\u0026amp;_sid=688a35aa8\u0026amp;_ss=r\u0026amp;variant=40655626764459\" data-mce-href=\"https:\/\/apos.audio\/products\/apos-caspian-headphone?_pos=1\u0026amp;_sid=688a35aa8\u0026amp;_ss=r\u0026amp;variant=40655626764459\"\u003e\u003cspan data-mce-fragment=\"1\" style=\"font-weight: 400;\" data-mce-style=\"font-weight: 400;\"\u003eApos Caspian Open-Back Headphone\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cbr\u003e\u003c\/span\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"color: #000000;\"\u003eFeatured reviews\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n \u003cp\u003e\u003cem\u003e \u003ciframe height=\"315\" width=\"560\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/jM3Pjd-93Sw\" frameborder=\"0\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\"\u003e\u003c\/iframe\u003e\u003c\/em\u003e\u003c\/p\u003e\n \u003cstyle type=\"text\/css\"\u003e\u003c!--\n td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}\n --\u003e\u003c\/style\u003e\n \u003cp\u003e\u003cem\u003e\"Incredible....great build quality, great sound quality...absolutely worth the asking price.\" -Joshua Valour\u003c\/em\u003e\u003cbr\u003e\u003c\/p\u003e\n \u003cp\u003e\u003ciframe height=\"315\" width=\"560\" src=\"https:\/\/www.youtube.com\/embed\/dl6gWpxGC48\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n \u003cstyle type=\"text\/css\"\u003e\u003c!--\n td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}\n --\u003e\u003c\/style\u003e\n \u003cp\u003e\u003cem\u003e\"My favorite DAC\/amp...an all-in-one, no compromise solution.\" -DMS\u003c\/em\u003e\u003cspan style=\"font-size: 10pt; font-family: Arial; font-style: normal;\" data-sheets-value='{\"1\":2,\"2\":\"\\\"My favorite DAC\/amp...an all-in-one, no compromise solution.\\\"\"}' data-sheets-userformat='{\"2\":769,\"3\":{\"1\":0},\"11\":4,\"12\":0}'\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003cp\u003e\u003ciframe height=\"315\" width=\"560\" title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/kfK1JAFzKeo\" frameborder=\"0\" allowfullscreen=\"\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n \u003cstyle type=\"text\/css\"\u003e\u003c!--\n td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}\n --\u003e\u003c\/style\u003e\n \u003cp\u003e\u003cem\u003e\"The only DAC\/amp you'll ever need.\" -Home Studio Basics\u003c\/em\u003e\u003cspan data-sheets-userformat='{\"2\":769,\"3\":{\"1\":0},\"11\":4,\"12\":0}' data-sheets-value=\"{\u0026quot;1\u0026quot;:2,\u0026quot;2\u0026quot;:\u0026quot;\\\u0026quot;The only DAC\/amp you'll ever need.\\\u0026quot; \u0026quot;}\" style=\"font-size: 10pt; font-family: Arial; font-style: normal;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"FiiO","offers":[{"title":"K9 Pro ESS","offer_id":46878660100271,"sku":"APS-0480-2","price":899.99,"currency_code":"USD","in_stock":true},{"title":"K9 Pro AKM (discontinued)","offer_id":46878660133039,"sku":"APS-0480-1","price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/apos-audio-fiio-headphone-dac-amp-fiio-k9-pro-ess-desktop-dac-amp-36647020069100.jpg?v=1778011952","url":"https:\/\/freshized.com\/products\/fiio-k9pro-desktop-dac-amp","provider":"Freshized","version":"1.0","type":"link"}