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MHA50 Portable Decoding Amplifier
 
Smartphone sized headphone amplifier with DAC
Digital inputs for iOS, Android and PC/Mac
Bluetooth input
Supports PCM to 192kHz, DSD128, aptX
 
Listen to your music with McIntosh sound quality no matter where you go. Your headphones will thank you.
 
Nearly everyone walks around with most if not all of their music library in their pocket or bag where it’s readily accessible via a pair of headphones. While convenient, it likely doesn’t sound as good as it could. 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 wired headphones.
 
The MHA50 includes wired inputs for Apple® iOS and Android OTG1 devices plus Mac® and Windows® computers.2 It can also wirelessly connect to these devices via Bluetooth® 4.2 with support for AAC and Qualcomm® aptX™ - a technology that ensures you receive the highest possible sound quality from your Bluetooth source device. Featuring a high-performance 32-bit digital-to-analog converter (DAC), it decodes music files from almost any digital source and outputs audio that is superior to what your device alone can produce. It supports 32-bit/192kHz hi-res audio, DSD64, DSD128, DXD352.8, DXD384 files and asynchronous USB audio. Its generous 3,000 mAh rechargeable battery provides up to 6 hours of playback on a single charge when connected to a source device via Bluetooth; playback can last even longer when using the wired connections.
 
Specifications
 
Headphone Output Specifications
Headphone Power Output
200 mW
Headphone Output Impedance
8-600 ohms
 
Electronic Specifications
FTC Power Output Rating
200 mW
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
Preamplifier Output
1.8V
 
Connectivity
Headphone Output
3.5mm with Headphone Crossfeed Director (HXD®)
Digital USB Input
2 (1 Type A, 1 micro B)
Wireless Input
Bluetooth 4.2 A2DP with support for AAC and aptX
Source Support
Apple iOS devices; Android devices (must be compatible with USB On-The-Go technology to use a wired connection); MacOS & Windows OS computers
 
Digital Audio Specifications
Digital USB Input Sample Rate
PCM 16-bit, 24-bit, 32-bit to 192kHz, DSD64, DSD128, DXD352.8, DXD384
 
General Specifications
Output Meters
No
Vacuum Tube or Solid State
Solid State
Power Requirement
5V DC, 0.7A
Output Type
N/A
Battery Playback Life
Up to 6 hours with Bluetooth connection; playback can last even longer when using the wired connections
Included In The Box
1 leather carrying case
1 Lightning to USB-A cable
1 USB micro-B to USB-A cable
1 USB micro-B to USB micro-B cable
1 USB micro-B to USB-C OTG cable
1 wall mount charger with USA plug and adapter for Europe and Japan
All cables are 8"/200mm long
 
Weights & Dimensions
Unit Dimensions (W x H x D)
2.7" (7cm) x 6.1" (15.5cm) x 0.6" (1.4cm)
Unit Weight
0.5 lbs (0.2 kg)
Shipping Weight
1 lbs (0.5 kg)