I saw the Oppo HA-2 headphone amplifier as a pre-production version at the headroom portable audio show earlier this year. It was a sleek, thin, elegant and aesthetically pleasing piece of equipment that is soft to the touch. This week you can buy it, but for now just take a sneek peek, it’s lovely. We … Continue reading Oppo HA-2 Portable Headphone Amplifier Released This Week