The technical data …
| Manufacturer | Fosi Audio |
| Description | K7 DAC/Amp |
| Dimensions | 155 x 90 x 32-38 mm |
| Inputs | USB-C, microphone, coaxial and optical input |
| Outputs | RCA, 3.5 mm (unbalanced), Pentaconn (balanced) |
| Sampling depth | PCM 24bit/48kHz (Bluetooth) up to 32bit/384kHz (USB) |
| Output power | symmetrical 2.1W, unbalanced 0.6W |
| Specified distortion and noise voltage (THD+N) | symmetrical <0.0002%, unbalanced 0.0005% |
| Compatibility | Headphones with 16-300 Ohm input impedance |
| Other | Bluetooth 5.0, external power supply 12V DC, LCD display, protective functions (heat, overload, overcurrent) |
Fosi Audio K7 DAC/Amp Layout, design and features …