 | 20 watts of audio output. |
| Transformer-isolated power supply, 48 volts DC internal voltage. |
| Adjustable handset amplifier volume to match existing systems. |
| Desktop powered by 18 VAC from a remote power supply. |
| Magnetic off-hook switch. |
| Sealed off-hook and page relays. |
| LED off-hook indication. |
| Noise-canceling microphone prevents ambient noise pickup and feedback. |
| Transformer isolation of power, handset, and speaker lines. |
| Short circuit protection of power transistors. |
| Unitized design allows easy additions or changes to system. |
| No amplifier gain increase when signal is not present. This reduces system
feedback and loading problems. |
