is 357.14 KB, has a resolution of 1000x829 pixels and was uploaded on June 12, 2020 @ 7:57 pm by user: denndt. It is filed under the tags: amplifier, sound quality, data storage device, fiio electronics technology, headphone amplifier. Click the blue button at the top to freely download: Headphones FiiO Portable K1 Headphone Amplifier Audio Power Digital-to-analog Converter png.