Boss Marine 2-Channel Amplifier: * Amplifier Class: Class A/B * Number of Output Channels: 2 * Total Power: 200W * Max power at 2 ohms, 100W x 2 * RMS power at 4 ohms, 50W x 2 * Frequency Response: 12 to 22,000Hz * Total harmonic Distortion (THD) at RMS Output: 0.05 percent * Signal-to-Noise Ratio (SNR): 95 dB * Minimum Speaker Impedance: 2 ohms * Soft turn-on circuit * Fully marinized * Thermal overload and speaker"s short protection * Power and protection LEDs