| Line voltage: | 230 V~ 50-60 Hz. |
| Loop area: | Up to 150 m² (IEC 118-4). |
| Frequency response: | 100-5000 Hz (IEC 118-4). |
| Distortion: | <1%. |
| Delay | Adjustable: off, 30-500 ms. |
| AGC (Automatic Gain Control): | On/Off (dipswitch). |
| Attack time: | >125 ms. |
| Recovery time: | Fast (5 s)/Slow (30 s) (dipswitch). |
| Inputs: | TV: connection terminal 4-5; 65 mV. TV scart contact; 20 mV. Video scart contact; 20 mV. Radio L: connection terminal 6-7; 35 mV. Radio R: connection terminal 8-9; 35 mV. Radio L+R: Phono; 35 mV. |
| Balanced input: | Radio, connection terminal 6, 8 + 10; 25 mV (radio volume in max position). |
| Microphone input: | 6.3 mm mono-jack. Priority input, reduces other signal sources. Phantom-feeding (dipswitch); 10 V. |
| Loop output: | Connection terminal 1-3. Loop resistance 0.5-1 Ω. |
| Controllers: | Input volumes for microphone, TV and radio. Gain (master volume). Tone (treble adjustment +2 to -8 dB at 5 kHz). |
| LEDs: | Power (red): Lit continuously at connection to power. Loop Current (green): Lit when there is loop current. AGC (yellow): Lit in the active AGC area. Mic.Priority (orange): Lit when there is sound into the microphone. |
