Source: Press Release, Last Accessed: 2015/02/20

Adding a new member to its award-winning personal audio product portfolio, Oppo Digital released an elegant yet sophisticated portable headphone amplifier with built-in rechargeable battery, the HA-2.
Aesthetically, the HA-2 does not look like a typical or generic electronic device. Its genuine leather casing with contrast stitching and beveled aluminum edges are eye-catching and cannot be confused with any other product.
Featuring hybrid class AB amplification and a USB DAC, the HA-2 offers high performance digital-to-analog conversion for Apple's iPhone/iPod products, a wide range of Android devices, and PC and Mac computers as well. The HA-2 may be conveniently used to charge mobile devices on-the-go and itself can be efficiently charged in 30 minutes. Headphones, from high sensitivity in-ear monitors to the most power-hungry over-ears, can all benefit from the HA-2's excellent performance and powerful amplification, the company says.
Key features of the HA-2 include an ESS Sabre32 Reference DAC (ES9018-K2M), PCM audio up to 384 kHz/32-bit and DSD audio up to 12 MHz (DSD256 or DSD4x) support and multiple device types support for digital-to-analog conversion via USB including iPod, iPhone, iPad, smartphones with USB OTG feature.
The HA-2 offers two USB DAC input ports -one for Apple's iPhone/iPod, and the other for Android devices, PC and Mac computers. A 3.5mm input works with the remaining portable music players that do not have a USB-compatible digital output. There are two gain settings. The High Gain mode is capable of driving large power-hungry headphones, delivering up to 300 mW into 16-Ohm loads. The Low Gain mode is intended for high sensitivity in-ear monitor type earphones. For users who like a bit more punch and impact with their music, the HA-2 offers a Bass Boost function that is implemented purely with analog audio circuits.
The HA-2 is available now in limited supply from Oppo Digital's web site at a retail price of $299.

For more information: http://www.oppodigital.com/

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