Pioneer GM-ME600X6 is a Class-D 6-channel marine amplifier that features single-sided ABYC/NMMA compliant terminals and an MCU design featuring built-in high pass and low pass filters (featuring a precise 21-step frequency range), bridged output settings, gain and input selection settings for each of the three pairs of channels (six total channels). The microcomputer Protection Control System (PCS), provides thermal protection, controlled current, and voltage protection to ensure stable output operation. Independent speaker output settings for each channel provide speaker matching flexibility.