The OMNITRONIC PA 6-zone stereo volume controller provides independent volume control for six stereo zones. Each zone supports a 4-ohm stereo amplifier input and 4-ohm stereo speaker output, with attenuation in 10 steps. The unit has an aluminum front panel, screw plug connections, and is designed for 19-inch rack installation at 2 U height. It measures 48.3 cm wide, 23 cm deep, and 8.9 cm high, and weighs 3.70 kg. The specified frequency range is 50–18,000 Hz.