HiBy FC4 Headphone Amplifier Portable DAC with 4.4mm and 3.5mm Headphones Outputs Support MQA16X PCM768K DSD256 High Driving Power for Android/iOS/Mac/Windows
| Country | USA |
| Manufacturer | Xenion, Inc |
| Binding | Kindle Edition |
| ReleaseDate | 2017-07-11 |
| Format | Kindle eBook |