US1801A module is built in Class D amplifier with loudspeaker in compact dimension, providing 2W RMS output power. This is a single pair of module accept the audio signal from other CSP products. There is a switch on the rear panel to determine which pair of TP CAT 5 cable to receive the signal. Make sure to select the properly pair before the installation. US1801A needs 24VDC power through RJ45 jack on the rear panel from other CSP products.
The high efficiency of Class D amplifier with the volume control on the front panel, the module provides excellent and clear sound for many applications.