The 4INCH WALL SPEAKER 20W is a line of two-way small speakers with a comprehensive frequency response and better, more potent performance. These incredibly flexible speaker systems are made to be used in a variety of indoor and outdoor settings and applications.
The PA Wall Mount Speaker 20W is a model with high and low impedances. Low-impedance models include separate HF and LF protection circuits. To set the impedance best to match the performance of the amplifier and speakers, high-impedance models have a rotary switch on the rear panel.