Úvod »ukončené produkty» Adastra A251U
| Power supply | Switchable 110/240 Vac, 50/60 Hz (IEC) |
| Mic inputs | Mic 1 front combo, Mic 1+2 rear 6.3mm jacks |
| Line inputs | Line 1+2 RCA (pairs) + Line 1 minijack (front) |
| Mic controls | Mic 1 Level, Mic 2 Level, Low/High EQ, Vox |
| Line controls | Line 1 Level, Line 2 Level, USB/SD Level Low/High EQ |
| USB/SD/FM player controls | Play/pause, Pre (Ch-), Next (Ch+), mode |
| LED indicators | On, -24/18/12/6/0dB, Limit |
| Line output | RCA (L+R) with Master volume control |
| Speaker outputs | 2 x 6.3mm jack (4 ohms min), Com/100V screw terminals |
| Dimensions | 483 x 44 x 325mm (1U) |
| Output 4 ohms | 250Wrms |
| Weight | 8, 4 kg |
| Hmotnost balení | 1 kg |