Sony has officially announced a new portable headphone amplifier called the PHA-2 High-Res Portable DAC/Amplifier. The device is designed to deliver superior sound production from a number of audio sources and claims to be the first portable amplifier to be compatible with most high-resolution digital file formats.
The device is compatible with formats including 192 kHz/24-bit PCM and both DSD (2.8MHz) and Double DSD (5.6MHz). The headphone amplifier is designed to work with MP3 files and other audio sources. The amplifier has Asynchronous Transport Mode using a dedicated single generator to reduce timing errors for better audio quality. The device also has a dual power supply operation providing more stable and accurate sound reproduction.
The hardware is enclosed in a durable aluminum chassis and has an internal rechargeable battery allowing it to be used on the go. The PHA-2 can be connected to a PC or Mac computers using USB 2.0. The amplifier also has a dedicated digital input for iPod, iPhone, and iPads. An analog audio input is available for Android smartphones and other digital music players. The internal battery is good for 6.5 hours of playback per charge with digital connections and up to 17 hours per charge analog connections. The amplifier will be available in March 2014 for $599.99.
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