FiiO A1 Portable Headphone Amplifier, Silver

A new generation: exquisite design, improved operation
The A1 utilizes a sandblasted aluminum alloyed chassis for a durable modern appearance and comfortable handholding. A transparent removable back clip adapts the A1 to different usage scenarios in style.

Plug-and-play instant audio improvement
With higher power hi-fidelity output than smartphones, the A1 satisfies your need for more sound quality and quantity.

High-quality electronic volume control
The A1's volume buttons are made of Alps microswitches for sensitive and reliable operation.

• Vol+: Press briefly to increase volume by one step, hold to continue increasing volume
• Vol-: Press briefly to decrease volume by one step, hold to continue decreasing volume

Four EQ modes for maximum flexibility
The A1 provides Flat, Bass1, Bass2 and Bass3 EQ modes, switchable simply by briefly pressing the power button, allowing you to best adapt the sound output to your earphones and you ears; moreover the indicator light clearly indicates the present EQ mode.

EQ modes:
• Blue LED on continuously: Flat EQ
• Blue LED flashing once every 2 seconds: Bass1 EQ
• Blue LED flashing twice every 2 seconds: Bass2 EQ
• Blue LED flashing thrice every 2 seconds: Bass3 EQ

3-color status LED for clear indications
The A1 status LED lights / flashes differently in different colors in response to power-on, charging, low battery, full battery, etc., allowing you to check its working status at a glance.