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K9 Pro (ESS) Flagship Desktop DAC and Amplifier

  • Rs. 66,490.00
  • Save Rs. 18,509

  • [Supports up to 384 kHz and native DSD256]: The K9 Pro ESS desktop DAC is equipped with the high performance dual ES9038PRO, supporting up to 384 kHz and native DSD256 audio.
  • [Support lossless MQA renderer]: The K9 Pro ESS amplifier supports the unfolding of MQA tracks, allowing you to listen to high-resolution audio files that are not only reasonably sized, but also retain master-level sound quality that brings you directly into the recording studio.
  • [Bluetooth 5.1 and High Resolution Bluetooth]: The K9 Pro ESS bluetooth headphone amps supports AAC/SBC/aptX/aptX LL/aptX HD/LDAC/aptX adaptive lossless bluetooth formats, it means you could get high resolution sound more convenient.
  • [Plentiful playing ways]: ①Front: XLR 4-pin, 4.4mm balanced, 6.35mm single-ended headphone outputs ;②Rear: 4.4mm balanced Line in; coaxial, optical, RCA, XLR out; for more convenient connections to external amps or speakers; ③Side: USB Type-C port, for your player, mobile phone,PC.
  • [DAC/AMP combos]: K9 Pro ESS desktop amplifier can drive 600Ω power-hungry headphones. Connect to your pc, players as desktop dac, you also could play with your speaker or external amplifier.

General specifications
Name / Model No. K9 Pro ESS Hardware solution

DAC: ES9038PRO*2, USB: XMOS XUF208, Bluetooth: QCC5124, LPF: OPA1612 * 2,

volume IC: NJU72315 * 2, AMP: THX AAA 788+ * 2, linear transformer:THAILIN/BingZi

Color Black Volume Scroll Potentiometer+ADC Sampling
Weight ≈2750g Channel balance L12~R12 (0.5dB per level)
Gain L/M/H FiiO Control Surpported
Bluetooth format indication Surpported Sampling rate indication Surpported
Firmware upgrade System firmware and Bluetooth version can be upgraded via USB Deep standby Long press the multi-function button for about 3s
Low battery reminder / Dimensions ≈200x224.5x72mm (excluding feet)
Bluetooth transmission / Bluetooth receiver (5.0) AAC/SBC/aptX/aptX LL/aptX HD/LDAC/atpX Adaptive
Bluetooth format indicator SBC: blue, AAC: cyan, aptX HD: yellow, aptX: purple, aptX LL: purple, LDAC: white, atpX Adaptive: green Charging indicator /
Maximum supported sampling rate 384kHz-32bit/DSD256(USB DAC) Recommended headphone impedance 16~600 Ω
192kHz-24bit (coaxial)
96KHz-24bit (optical)
Buttons and interfaces
Button Physical key + toggle switch USB Type-C, USB B (data transmission)
Single-ended line input interface RCA socket Balanced line input interface 4.4mm balanced socket
Spdif in Optical fiber socket Digital coaxial input interface RCA socket
Balanced output interface 4.4mm socket, XLR4 balanced socket Headphone output interface Standard 6.35 mm socket
Balanced line output interface XLR3 balanced socket Single-ended line output interface RCA socket
Power parameters
Power supply AC 110-115V~/AC 220-230V~ (Recommended) Battery capacity /
Charging time / PO battery life /
Audio parameters
Single-ended line output performance parameters
THD+N <0.00042%(1kHz/10kΩ/dbA) SNR ≥123dB (dbA)
Crosstalk ≥115dB (1kHz/10kΩ) Noise floor <1.9μV(dbA)
Frequency response 20Hz~20kHz (-3dB) Line Level 2.5Vrms (1kHz/10kΩ)
Balanced line output performance parameters
THD+N <0.00025%(1kHz/10kΩ/dbA) SNR ≥128dB (dbA)
Crosstalk ≥125dB (1kHz/10kΩ) Noise floor <1.9μV(dbA)
Frequency response 20Hz~50kHz (-1.5dB) Line Level 5Vrms (1kHz/10kΩ)
Single-ended headphone output performance parameters(6.35mm)
Continuous undistorted output power 1 ≥1.1W(16Ω / THD+N<1%, AUX IN) Output impedance <1Ω(32Ω)
Continuous undistorted output power 2 ≥2.1W(32Ω/THD+N<1%,AUX IN) Crosstalk ≥75dB (1 kHz/32Ω,AUX IN)
Continuous undistorted output power 3 ≥281mW(300Ω / THD+N<1%,AUX IN) THD+N <0.00033% (1 kHz/32Ω/dbA)
Noise floor

<2μV(dbA,AUX  IN)


SNR ≥129dB (dbA)
Frequency response 20 Hz~50kHz (-1.5dB) MAX Output Voltage >26Vp-p
Balanced headphone output performance parameters(4.4mm/XLR4)
Continuous undistorted output power 1 ≥1.1W(16Ω / THD+N<1%) Output impedance <1Ω(32Ω)
Continuous undistorted output power 2 ≥2.1W(32Ω /THD+N<1%) Crosstalk ≥114dB (1 kHz,AUX IN)
Continuous undistorted output power 3 ≥1.1W(300Ω / THD+N<1%) THD+N <0.0003% (1 kHz/32Ω/dbA)
Noise floor

<3μV(dbA, AUX IN)


SNR ≥123dB (dbA)
Frequency response 20Hz~50kHz (-3dB) MAX Output Voltage >52Vp-p

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