ARM2 - Audiophile-grade high-resolution music player with built-in headphone amplifier

Audiophile-grade high-resolution music player with built-in headphone amplifier


MSRP: $1,199.99

  • Genuine audiophile oriented music-only portable music player

  • Comprehensive high resolution media support (WAV, AIFF, FLAC, ALAC, APE, DSD, and DXD)
  • Audiophile oriented flagship class Burr-Brown PCM1794a DAC
  • Unleash the full potential of high end headphones with best-in-class built-in headphone amplifier


The revolutionary Acoustic Research M2 Music Player bring the music listening to a whole new level. Through the flagship grade Burr-brown PCM1794A DAC and best-in-class high slew rate headphone amplifier, it is capable to unleash the full potential of yo

  • 64GB built-in memory plus flexible storage expansion through Micro SDXC
  • Up to 9 hours of continuous audiophile-grade high resolution music playback
Dimensions    Width: 2.76 In x Height: 5.35 In x Depth: .59 In
Weight (Kg/lb)    About 8.5 oz
Battery Type    4200 mAh, Up to 8.5 hours (PCM) / 6.5 hours (DSD)
Maximum Memory Expansion    Micro SDXC card (Up to 200GB), USB-OTG
CPU    Qualcomm MSM8926
Digital audio transceiver/clock master    Cirrus Logic CS8422
Pre-Amp (Voltage Amplification)    2 x OPA2134
Crystal clock sources for audio    Dual VCTCXO
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 PCM1794a
Headphone Amplifier    TI TPA6120A2 / Class A Configuration / Up to 3.7Vrms Output
Volume Control    ALPS potentiometer (step-less full analogue)
Internal Memory    64GB
Wireless Network    802.11B/G/N
Audio Output    Line Out (3.5mm) Headphone Out (3.5mm)