Crest Audio Ca12 Professional Power Amplifier.

Power Output: The CA12 is a high-power amplifier, delivering 4000W. It is suitable for high-powered subwoofers and passive full-range systems. Class: It operates as a Class AB transformer power amplifier. Cooling: The unit features a twin tunnel cooling system with back-to-front airflow to prevent overheating. Modes: It offers stereo, parallel, and bridged mono mode selection. Gain Control: Multiple position gain switch. Protection: It has TourClass protection settings, including ACL, IGM, AutoRamp, thermal protection, DC protection, short circuit protection, surge protection, and switching transient protection. Low Distortion: It maintains a low Total Harmonic Distortion plus Noise cancelling.