The SONY PHA-1 Portable Headphone Amplifier is a high-quality audio device that allows you to enhance the sound quality of your music or movies on your headphones. This sleek black amplifier from Sony features USB connectivity, making it easy to connect to your computer or other devices for a superior audio experience. The portable design allows you to enjoy your favorite music anytime, anywhere, while the brand reliability ensures a top-notch sound quality. Shows Red light when charging and Green light when powered on. Has not been used for several years, but always well kept.

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