Noisy Motel
* Ex-Display Unit *
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.
Normally ($1499.00)

(Bonus LC-M20 Genuine Leather Case valued at $99.00)

Second Generation Acoustic Research M-Class Hi-Res Audio Platform Inherited from the award-winning M2, the M20 features the unique AUDIO-centric 2nd Generation Acoustic Research M-Class Hi-Res Audio engine.

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.

  • 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



The AR-M20 is equipped with a high-resolution audio effects feature Equalizer

Provides optimum presets for various music genres: Normal, Classic, Dance, Flat , Folk, Heavy Metal, Hip Hop, Jazz, Pop, Rock, User

Bass boost

Improves audio reproduction and strengthens

3D Effect - Allows sound to strengthen when played in any three-dimensional space

Verified and recommended Micro SD Cards:
  • Lexar 633x (Up to 200GB)Patriot LX Series (Up to 200GB)Samsung Evo, Evo+, Pro, Pro+ (Up to 128GB)
  • Toshiba Exceria UHS-I (Up to 128GB)



Headphone Output (3.5mm Standard Stereo Mini Plug) X 1

Headphone Amplifier:
  • Class AB configuration
  • Up to 2.1Vrms / 6.0Vpp unbalanced output
  • 16 to 600 ohms
  • THD + N (total harmonic distortion plus noise) <0.001% at maximum output

Key Components

Media Processor

Equipped with the US Qualcomm Inc. Snapdragon 400 MSM8926. CPU Quad Core Cortex-A7 1.2GHz


Equipped with 1 groups the high-performance Burr-Brown PCM5242. S/N: superior performance of 114dB. Achieve a direct-drive system.


Equipped with a 44.1kHz system (44.1 / 88.2 / 176.4kHz) and 48kHz system (48/96 / 192kHz) for high-performance outgoing child dedicated respectively. Achieve full synchronization
clock switched to the signal.

  • Dimensions: Width: 2.76 In x Height: 5.35 In x Depth: .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: About 6.3 oz (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 Output
  • 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

Code: AR-M20-ED

Availability: In Stock
Price: $899.00 (FREE Shipping)

Acoustic Research AR-M20 Audiophile Hi-Res Music Player (Ex-Display)


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