If you're going to listen to high-res audio on your smartphone, you're going to need McIntosh's new MHA50. The Portable Decoding Amplifier works with Android or iOS and features a 32-bit digital-to-analog converter and is able to support 32-bit/192kHz hi-res audio, DSD64, DSD128, DSD256, DXD352.8, and DXD384 music files. Playback can happen via wired or wireless headphones through Bluetooth 4.1 with aptX and can deliver 6 hours of audio on a single charge when used wirelessly. The MHA50 can drive headphones with impedances from 8-600 ohm and it can also be used with a pair of powered desktop speakers to act as a desktop DAC.
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