| Specifications | |
| Monitor Channel | 16Ch |
| Input | 100V/70V Audio Signal |
| Output | N.A |
| Phone Monitor | N.A |
| Ring Times | N.A |
| Trigger Out | 0V Signal for Power Activation |
| Audible Monitor | 500mW, Full-range Loud speaker |
| Tone Controls | 2xVolume, Power Switch |
| Volume Level | 7 Levels, Controlled by AP-D400 Master Units |
| S/N Ratio | 80dB |
| Power Input | 200-240V AC, Fuse Protection |
| Power Consumption | N.A |
| Mount | 2U 19" Rack Mount, Table Top |
| Enclosure & Color | Full Metal, Black |
| Dimension & Weight | 89(H) x 483(W) x 366(D) mm, <8Kg |