The new Sony PHA-2 portable headphone amplifier is the first portable DAC/amplifier to be compatible with virtually every high-resolution digital file format, including up to 192 kHz/24-bit PCM and both DSD (2.8MHz) and Double DSD (5.6MHz). Listeners can also enjoy upgraded sound quality with MP3 files and other music sources. Sony PHA-2 portable headphone amplifier incorporates a high precision D/A converter and a dual power supply operation for more stable and accurate reproduction. PHA-2 portable headphone amplifier is enclosed in a durable aluminum chassis which is fully protected from external interference. The PHA-2 headphone amplifier comes with Zinc die-cast bumpers to protect the volume control and headphone connector from external shock and vibration.
The PHA-2 can be easily connected to both PC and Mac computers via its USB 2.0 interface, and also includes a dedicated digital input for iPod, iPhone and iPad products. Android smartphones and digital music players can be connected via the analog audio input. The PHA-2 comes with a built-in Lithium-ion battery which runs up to 6.5 hours with a digital connection and up to 17 hours with an analog connection on a single charge. The PHA-2 portable headphones amplifier will be available next March for $599.