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 |
| Brand | Springer |
| Manufacturer | Springer |
| Binding | Hardcover |
| ItemPartNumber | Refer to Sapnet. |
| ReleaseDate | 1993-12-31 |
| UnitCount | 1 |
| Format | Illustrated |
| EANs | 9780751400038 |