KHADAS Tone2 Pro Mini Desktop DAC/Amp (Apos Specials)


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Note: This product is an Apos Special. That means it’s new, final sale, and carries the manufacturer’s warranty.

Dive into auditory perfection

The KHADAS Tone 2 Pro merges high-end performance with outstanding value. This Mini Desktop DAC & Headphone Amplifier, packing powerful specs like the XMOS XU216 and versatile I/O options, offers top-tier audio quality without breaking the bank. For those who seek a blend of rich features and cost-effective excellence, look no further.

A heart of power and precision

XMOS XU216, a force in the audio world: The 16-core, 16-thread XMOS XU216 Audio DAC Chip provides the brainpower for the Tone 2 Pro. This powerful processor ensures you enjoy master-quality audio with MQA Full Decoder, PCM 768KHz, and DSD 512 (Native).

ESS: Where clarity meets power

Paired with the revered ESS ES9038Q2M DAC chip and a parade of TI OPA1612 operational amplifiers, the Tone 2 Pro delivers a sound that's as close to perfection as it gets. And for those heavyweight headphones? No sweat. Drive up to 300-ohm high-impedance Hi-Fi headphones and tap into a sound experience that’s immersive and true-to-source.

Seamless switching with Multiple I/O

Switching between devices shouldn’t be a chore. With USB, I2S, and Coax inputs, as well as Balanced RCA, Single-end RCA, and jacks for headphones, your world of sound is diverse and dynamic. Easily switch between devices and dive back into your audio universe.

Balanced RCA: the KHADAS hallmark

Our patented Balanced RCA brings to you a new standard of connectors. Gold-plated for quality, it ensures your Tone 2 Pro can chat seamlessly with legacy XLR-3 equipment. All with the help of the Khadas "Balanced RCA Male to XLR-3 Male Hi-Fi Audio Cable".

Low noise, high clarity

With low noise LDOs by ADI powering the operational amplifiers, and the ES9311Q ensuring a quiet, stable power supply, your music remains pure, free from any unwanted noise.

Timing is everything

Accurate sound requires precision in timing. With Accusilicon AS318-B series and SiTime SiT8209 oscillators, the Tone 2 Pro ensures that the rhythm and pacing of your music are always spot on.

Distortion? Not on our watch

Employing NJU72315 audio volume control chips and TI OPA1612 operational amplifiers, we've made sure that what you hear is a true representation of the original audio, with every nuance intact.

Share your sound

An evening with friends, or a shared moment with a loved one, becomes special with the Tone 2 Pro's dual headphone jacks. So, pull up a chair, plug in, and lose yourself in the music.

Craftsmanship meets elegance

The Tone 2 Pro isn’t just about sound. Its one-piece machined aluminum shell and elegant knob, accented with anodized gold, speak of a design language that’s both robust and refined.

All in the twist of a knob

Functionality meets simplicity in the Tone 2 Pro’s multifunction knob. A twist, a press, and you navigate through its features with ease.

Go wireless with BT Magic

The upcoming BT Magic module turns your Tone 2 Pro wireless in seconds. From AAC to aptX HD, enjoy a world of wireless formats without missing a beat.

Product highlights

  • XMOS XU216 Audio DAC Chip for master-quality audio
  • ESS ES9038Q2M DAC chip for ultra-clear sound
  • Multiple I/O options for versatile connectivity
  • Patented Balanced RCA for high-quality audio output
  • Ultra-low noise power supply for distortion-free sound
  • Precise clock management for accurate sound reproduction
  • Dual headphone jacks for shared listening
  • One-piece machined aluminum shell for durability and style
  • Simple power selection with USB-C or I2S
  • Intuitive multifunction knob for easy navigation


  • Frequency response
    • RCA Balanced:±0.15dB(20Hz~20KHz)
    • RCA Single End:±0.15dB(20Hz~20KHz)
    • 4.4 Balanced:±0.15dB(20Hz~20KHz)
    • 3.5 Single End:±0.2dB(20Hz~20KHz)
  • DNR
    • RCA Balanced:121dB
    • RCA Single End:119dB
    • 4.4 Balanced:121dB
    • 3.5 Single End:119dB
  • Supported sampling rate
    • USB:
      • PCM 16-32bit/44.1-768KHz
      • DSD Native DSD64-DSD512;Dop DSD64-DSD256
    • Coaxial:
      • PCM 16-32bit/44.1-192KHz
      • DSD 64(Dop)
  • 4.4 Balanced output parameters: 
    • Output Power and Out Voltage:
      • 42mW(5.0Vrms)@600Ω
      • 83mW(5.0Vrms)@300Ω
      • 167mW(5.0Vrms)@150Ω
      • 211mW(2.6Vrms)@32Ω
      • 154mW(1.57Vrms)@16Ω
    • THD+N:
      • -116dB(0.000158%)@600Ω
      • -116dB(0.000158%)@300Ω
      • -116dB(0.000158%)@150Ω
      • -110dB(0.000316%)@32Ω
      • -105dB(0.000501%)@16Ω
    • SNR:
      • 121dB
    • Crosstalk:
      • >117dB@32Ω
  • 3.5 single-ended output parameters
    • Output Power and Out Voltage:
      • 8.8mW(2.3Vrms)@600Ω
      • 17.6mW(2.3Vrms)@300Ω
      • 35.3mW(2.3Vrms)@150Ω
      • 125mW(2.0Vrms)@32Ω
      • 125mW(2.0Vrms)@32Ω
    • THD+N:
      • -114dB(0.0002%)@600Ω
      • -114dB(0.000158%)@300Ω
      • -114dB(0.000158%)@150Ω
      • -108dB(0.000398%)@32Ω
      • -103dB(0.000708%)@16Ω
    • SNR:
      • 119dB
    • Crosstalk:
      • >69dB@32Ω

What's included

  • KHADAS Tone 2 Pro DAC & Headphone Amplifier
  • USB-C power cable
  • User manual
  • Warranty card

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