Questyle Audio CMA600i
Headphone amplifier & DAC

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  • $ 1,299


Simply put, the CMA600i is all-in-one gear integrating sound quality and fine art DAC with headphone amplifier. It inherits Questyle Audio’s flagship headphone amplifier patent "Current Mode Amplification"  technology, adopting all discrete circuit design and working in pure class A status. Thus it can provide best sound required ultra-low distortion and ultra-wide frequency rivaling world class high-end headphone amplifiers.

AUTHORIZED DEALER - FULL WARRANTY

  • A world-class DAC section
  • True DSD
  • IIR digital filter 
  • A separate preamp section

Headphone Amp Section:

  • Gain: 13.4dB (4.7times)
  • Max Output Power (Po): 220mW (8.1Vrms) @300Ω; 950mW (5.5Vrms)@32Ω
  • THD+N: 0.00057%@1kHz,Po=100mW,300Ω, 0.00034%@1kHz,Po=50mW,32Ω
  • SNR: 113 dB
  • Frequency: DC-100kHz(+0,-0.7 dB);DC-200kHz(+0,-1.7 dB)
  • Sensitivity: 1.7Vrms
  • Input: internal DAC output or external RCA input, switchable
  • Output: dual 6.35mm standard stereo jacks

DAC and Preamp Section:

  • Input: SPDIF input and output, USB Type B input
  • Signal SPDIF Input and Output: standard PCM 44.1-192k/16-24bit 
  • USB: PCM 44.1-384k/16-32bit and DSD64, DSD128, DSD256 following standard SACD format
  • PC OS to Match USB Input: Win XP, Vista, Win7, Win8 and MAC OS
  • Digital Filter:
    • PCM Mode: fixed filter
    • True DSD Mode: no filter
  • USB Supported Kernel Stream: WASAPI, ASIO, KS
  • Analog Output: balanced (XLR) and unbalanced (RCA)
  • Max Output Amplitude:
    • XLR: 8Vrms
    • RCA: 4Vrms
  • THD+N: RCA< 0.00082%; XLR<0.00064%
  • SNR: 
    • RCA: >105dB
    • XLR: >121dB
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