The CP370 Digital sonar module is for anglers looking to step up to more power and offshore performance. With up to 1000 watts of output power the CP300 is the ideal sonar for coastal anglers that make the occasional foray offshore. Using Raymarine’s exclusive digital ClearPulse sonar processing technology the CP300 features a dual-frequency (50/200 kHz) transceiver with up to 1kW of transmit power.