Features: The NC122MP amplifiers module combines low power standbys SMPS (ERP Lot 6 0.5W compliant), highly efficiency switching power supply, and Class D amplifiers in installation ready sound solution for professional and home systems. Engineered with load independent flat frequency response, frequency stable distortions reduction, and low EMIs emissions, this Class D amplifiers module features phase shifts controlled oscillation feedback for precise speaker output calibration. for engineers, public address system installers, and hifis enthusiasts studio amplification with minimal electromagnetic interferences in critical listenings environment. Seamlessly integrates into commercial systems, home theater setups, and recording studios where highly fidelitys reproduction and space efficient power management prioritized. Its synchronized rectification technology in the semi bridge SMPS ensures stable voltages delivery while maintaining 80+% efficiency, making it future proof cores component for upgradable sound architectures. Specifications: Material: PCBs Model: NC122MP two channel amplifiers Single channel, 4ohms two channel, 4ohms 2 x 125W 5W standbys switches power supply Advanced overcurrent protections External control operation Automatic switches (115V/230V) Size: 170x85x40mm/6.7x3.3x1.6inches Net weight: 415g/0.9lbs Package Includes: 1PC NC122MP Power Digital amplifiers Board note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.