The Monacor PA wall speaker ESP-152/WS is a professional audio component for sound reinforcement systems and background music applications. This wall-mounted speaker features a 2-way coaxial system that delivers clear, high-quality sound reproduction in the frequency range of 100-20,000 Hz, making it suitable for various indoor applications. The speaker operates with 100V line technology and includes an integrated audio transformer with three power levels at 15 W, 7.5 W, and 3.75 W RMS for flexible installation requirements. The robust plastic housing measures 330 x 240 x 85 mm and weighs 2 kg, featuring a protective metal grille cover and an open back for optimal acoustic performance. The device is specifically designed for impact resistance and is suitable for sports facilities, schools, and demanding environments. The operating temperature range is 0-40 °C, and it includes mounting screws and cover plates for easy installation. The coaxial driver configuration ensures coherent sound dispersion and consistent audio quality even at higher volumes. With its practical design and reliable performance features, this wall speaker offers a dependable audio solution for commercial, educational, and institutional settings that require clear speech reproduction and music distribution.