Boost the performance of your headphones or earphones with the AT-PHA10 Portable Headphone Amplifier. The ATH-PHA10 delivers superior-quality sound reproduction with a wide dynamic range, impactful bass, high signal-to-noise ratio, low distortion, and impressive battery life (about 50 hours). Adjust the sound level with a built-in volume controller and handy mute function.

• Boost the performance of your headphones or earphones
• Uses 1 AAA battery for up to 50 hours
• Volume and mute controls