The FiiO A3 is a portable headphone amplifier designed to enhance audio quality and drive a variety of headphones efficiently. It features a robust aluminum chassis that not only provides durability but also minimizes interference from external noise. With a compact design, the A3 is portable and can be easily carried for on-the-go use. The amplifier incorporates a gain switch allowing users to adjust the output to accommodate different headphone impedance levels. It offers a frequency response range of 10Hz to 100kHz, ensuring a rich and detailed sound signature that caters to various audio preferences. The amplifier has a maximum output power of approximately 600mW, providing sufficient power for high-impedance headphones. It is powered by a rechargeable lithium-ion battery, offering several hours of playback time on a single charge. Connectivity options include a standard 3.5mm input for audio devices, along with a 3.5mm headphone output, making it compatible with most portable devices and headphones. Overall, the FiiO A3 provides a solid boost to audio playback, particularly for those seeking improved sound quality while using mobile devices.

The FiiO A3 is a portable headphone amplifier designed to enhance audio quality and drive a variety of headphones efficiently. It features a robust aluminum chassis that not only provides durability but also minimizes interference from external noise. With a compact design, the A3 is portable and can be easily carried for on-the-go use. The amplifier incorporates a gain switch allowing users to adjust the output to accommodate different headphone impedance levels. It offers a frequency response range of 10Hz to 100kHz, ensuring a rich and detailed sound signature that caters to various audio preferences. The amplifier has a maximum output power of approximately 600mW, providing sufficient power for high-impedance headphones. It is powered by a rechargeable lithium-ion battery, offering several hours of playback time on a single charge. Connectivity options include a standard 3.5mm input for audio devices, along with a 3.5mm headphone output, making it compatible with most portable devices and headphones. Overall, the FiiO A3 provides a solid boost to audio playback, particularly for those seeking improved sound quality while using mobile devices.