Powerful 2-way HiFi ceiling speaker made of metal for high demands, ideal for music playback in homes, restaurants, boutiques/shops, ... The UPM 220 is equipped with a 166 mm woofer chassis and a coaxially arranged tweeter. Visually, it is characterized by its particularly flat design. Other features include: grounding screw and strain relief. With a unique spring mechanism, ceiling installation takes just seconds. , The steel pot ST 220 is available as an accessory.