FiiO A1, Portable Power Amplifier: Compact and Lightweight High-Performance Audio AMP (A 1)

Plug-n-Play Instant Audio Improvement

With higher power and superior fidelity output than smartphones, the A1 satisfies your need for better sound quality as well as quantity. Improve the sound quality and volume of any portable audio source such as MP3 players, ip*ds, personal media players, mobile phones, laptops, notebooks/netbooks, or portable CD players. With built-in volume controls, the A1 can be used with the line-level output of audio sources for even better sound quality.

High Quality Electronic Volume Control

The A1's volume buttons are made of Alps micro switches for sensitive and reliable operation.

FiiO A1. Classic. Tiny. Metal.