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McIntosh MHA50 Portable Decoding Amplifier

  • Sale
  • $ 750

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The handheld MHA50 Portable Decoding Amplifier can make your music sound its best—and likely better than you’ve ever heard it before—through your headphones.

MHA50 includes wired inputs for Apple® iOS devices, as well as Android devices that are compatible with USB On-The-Go technology—plus Mac® and Windows® computers. It can also wirelessly connect to these devices via Bluetooth® 4.1 with aptX™ technology (Android devices that aren’t compatible with USB On-The-Go can still connect via Bluetooth). It features a high-performance 32-bit digital-to-analog converter (DAC) and supports 32-bit/192kHz hi-res audio, DSD256 and DXD384 files as well as asynchronous USB audio. Its 3,000 mAh rechargeable battery provides up to 6 hours of playback on a single charge when connected via Bluetooth; playback can last even longer when using the wired connections.

Comparably sized to smartphones, MHA50 is compact and lightweight for easy portability with a beveled case that fits comfortably in your hand or pocket. Its sleek design features a glass front panel with a touch sensitive volume control knob inspired by the classic knobs found on countless McIntosh products. It’s built primarily from durable extruded aluminum, which also has some inherent noise-shielding properties to help block external interference. Two gain settings allow MHA50 to work with all types of headphones—from small in-ear models to large over-ear studio type designs like the McIntosh MHP1000 Headphones (sold separately); it can drive headphones with impedances ranging from 8-600 ohms. Headphone Crossfeed Director (HXD®) brings added dimension to your music in a natural sounding way and can be easily turned on and off depending on your preferences. All audio is output via a gold-plated 3.5mm jack. This jack can also connect to a pair of powered desktop speakers, allowing MHA50 to serve as a desktop DAC. MHA50 comes complete with three USB adapter cables to connect various devices, a leather carrying case, and a wall mount charger with USA plug and adapters for Europe and Japan.


  • Product Brochure
  • All cables are 8" (200 mm) long
  • What's in the Box:
    • MHA50 unit
    • Leather carrying case
    • Lightning to USB-A cable
    • USB micro-B to USB-A cable
    • USB micro-B to USB micro-B cable
    • Wall mount charger w/ USA plug and adapter for Europe and Japan


  • Headphone Power Output: 200mW
  • Headphone Output Impedance: 8-600 ohms
  • Rated Power Band: 20Hz to 20kHz
  • Total Harmonic Distortion: 0.005%
  • Frequency Response: +0, -0.5dB from 20Hz to 50kHz
  • Signal-to-Noise Ratio: 105dB
  • Preamp Output: 1.8V
  • Headphone Output: 3.5mm w/ Headphone Crossfeed Director (HXD®)
  • Digital USB Input: 2 (1 Type A, 1 micro B)
  • Wireless Input: Bluetooth 4.1 A2DP w/ aptX
  • Source Support: Apple iOS, Android OTG, MacOS, Windows OS devices
  • Digital USB Input Sample Rate: PCM 16-bit, 24-bit, 32-bit to 192kHz, DSD64, DSD128, DSD256, DXD352.8, DXD384
  • Output Meters: No
  • Vacuum Tube or Solid State: Solid State
  • Power Requirement: 5V DC, 0.7A
  • Output Autoformer: No
  • Battery Playback Life: Up to 6 hours w/ Bluetooth connection; playback can last even longer when using the wired connections
  • Dimensions: 2.7"w (7 cm) x 6.1"h (15.5 cm) x 0.6"d (1.4 cm)
  • Weight: 0.5 lbs (0.2 kg)

WARNING: California Residents - Proposition 65. This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to



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