OMNITRONIC BPS-3 is a steel base plate for mobile loudspeaker stand applications. The square plate measures 55 × 55 cm and includes three M20 threads for off-center installation, along with reinforcing sleeves for the base-to-pole connection. It has a black finish, a height of 2.5 cm, and a weight of 10.55 kg. The product is intended to provide a stable base for compatible speaker stands.