Acoustic Research Hi-Res Digital Audio Player AR-M20 with Leather Case Kit

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Acoustic Research Hi-Res Digital Audio Player (AR-M20) with Leather Case Kit (New)

The Acoustic Research AR-M20 shares the same philosophy as the flagship M2, simply superb sound. Optimised for in-ear monitors, the AR-M20 offers twice the headphone output as many of its competitors, this extra power delivers compatibility with all but the most difficult to drive full-size headphones.

Unlike typical CPU-centric music players, the audio system in M20 acts as the clock master and the CPU acts as the slave component to the audio system. Jitter error from CPU is minimized significantly. Extreme accuracy in audio is genuinely prioritized.

Included Bonus Genuine Leather Case (Black)


  • Rich and Detailed Hi-Fi Sound from Premium BURR-BROWN Hi-RES DAC
  • Variable Native Sample Rate with Dual Crystal Oscillators
  • Real Touch of Hi-Fi Sound with Linear Power Supply
  • Plays Hi-Res Audio Files (FLAC/ALAC/WAV/AIFF/DSD/DXD) on Internal Memory, Micro SDXC card, or Micro USB memory
  • Built-in Wi-Fi Support and Works with Third Party Music Streaming/Download APPs
  • Dimensions (W x H x D): 2.76 In x 5.35 In x 0.44 In
  • Battery Type: 3150 mAh, Up to 16 hours
  • Memory: 32GB
  • Maximum Memory Expansion: Micro SDXC card (Up to 200GB), USB-OTG
  • CPU: Qualcomm MSM8926
  • Digital audio transceiver/clock master: Burr-Brown PCM5242
  • Pre-Amp (Voltage Amplification): Burr-Brown PCM5242
  • Crystal clock sources for audio: Dual XO
  • Weight: 177g
  • Compatible Format Supported: FLAC/ALAC/DSD64/DSD128/WAV/DXD/APE/AIFF
  • USB Reader: Micro-USB (Data / Power / OTG*) *Support USB storage requiring less than 5V 100mA power
  • DAC: Burr-Brown PCM5242
  • Headphone Amplifier: TI TPA6120A2 / Class AB Configuration / Up to 2.1Vrms
  • Volume Control: Digital (150-step, 0.5dB/step) Digital (150-step, 0.5dB/step)
  • Wireless Network: 802.11B/G/N
  • Audio Output: Headphone Out (3.5mm)
  • Screen: 5`` 720x1280 IPS
  • Numbers of PCB layers: 10
  • Housing: Aluminium trim / Glass back


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