.Τhe CONTRACTOR CWMS 42 is an 100 Volt (1.25 W, 10 W, 2.5 W, 5 W) version elegant wall speaker with a 4" woofer, and a 0.75" tweeter, reaching a frequency response up to 20 kHz. It convinces with high speech intelligibility and achieves a sound pressure level of 87 dB at 1 W / 1 m with a power capacity of 20 watts of continuous power. It is designed for a wide scope of applications, providing a discreet sound in hotels, restaurants, bars, lounges, training and conference rooms, shopping centres and at home.