Weatherproof Compact Monoblock Marine Amplifier – 300W Pioneer’s GM-ME300X1C is a weatherproof, Class-D monoaural marine amplifier that is IP67 rated and SAE J1171 Certified. – This amplifier features 21-step frequency selection and top adjustment access that benefits when installing into narrow compartments. – The microcomputer Protection Control System PCS, provides thermal protection, controlled current, and voltage protection to ensure stable output operation. The microcomputer also provides a selectable power mode to match the speaker’s handling. Features: IP67 rated PCS Protection Control System 21-step frequency selection LPF/HPF Switching power supply controlled by microcomputer Technical Specifications: Number of Channels – 1 Frequency Response – 20 – 240 Hz 2 Ohm RMS Power Per Channel – 300W x 1 Signal-to-Noise Ratio – 75dB Dimensions L x W x H – 11-13/16” x 4-1/8” x 1-5/8” *Sold as an Individual