Meet Oppo HA-2SE Headphone Amplifier Priced at $299

Meet Oppo HA-2SE Oppo HA-2 is considered to be one of the best portable headphone amplifiers out there and now, the company is announcing an updated successor to it. Oppo HA-2SE is an elegant, portable headphone amplifier that comes with built-in rechargeable battery. It comes in an aluminum chassis wrapped in genuine leather. Its beveled