1, 2, 4, or 8 audio outputs (selection from 100 / 70 / 50 V outputs)
Audio processing and delay for each amplifier channel
Amplifier supervision and spare amplifier switching
Loudspeaker line and loudspeaker supervision (LBB 4428/00 only line supervision)
Eight control inputs and 1, 2, 4 or 8 control outputs
Supervision of line attached to control inputs
Automatic volume control
Two audio inputs (four audio inputs for LBB 4428/00)
Redundant network connection
Power amplifier, 4x125W
| Dimensions (H x W x D) (mm) | 92 x 440 x 400 mm |
| Frequency response (-3 dB) (Hz) | 80 – 19000 Hz |
| Operating temperature (°C) | -5 – 55 °C |
| Weight (kg) | 16.10 kg |
Power amplifier, 8x60W
| Dimensions (H x W x D) (mm) | 92 x 440 x 400 mm |
| Frequency response (-3 dB) (Hz) | 80 – 19000 Hz |
| Operating temperature (°C) | -5 – 55 °C |
| Weight (kg) | 15.80 kg |
Power amplifier, 1x500W
| Dimensions (H x W x D) (mm) | 92 x 440 x 400 mm |
| Frequency response (-3 dB) (Hz) | 80 – 19000 Hz |
| Operating temperature (°C) | -5 – 55 °C |
| Weight (kg) | 12.60 kg |
