The OMNITRONIC PA Volume Controller 5 W stereo bk is a flush-mount stereo volume controller for systems with a 4-ohm stereo amplifier input and 4-ohm stereo speaker output. It provides attenuation in 10 steps and has a black plastic front panel and knob. Connections are made using screw plugs. The unit has a rated power handling of 5 W RMS, a frequency range of 50–18,000 Hz, and dimensions of 8 × 8.2 × 8 cm with a weight of 0.30 kg.