Raymarine RVX1000 High Performance Chirp Sonar Module - The RVX1000 offers all of the sonar performance and features of Raymarine Axiom Pro in a remotely mounted black box sonar module. With Raymarine's award winning RealVision 3D sonar technology, CHIRP Side and DownVision, plus a high powered 1 kW dual channel CHIRP sonar, the RVX1000 is a versatile sonar solution for both inshore and offshore fishing. RealVision 3D CHIRP SideVision & DownVision Low-power, high-frequency CHIRP 1kW high-powered CHIRP Sonar (Low, Medium, High CHIRP, 50/80/100/160/200kHz) Sonar Scroll Back - rewind, pause and playback up to 10 minutes recorded sonar history TruZoom magnification reveals extra target detail without loss of resolution GPS Track feature uses precision GPS to construct the most accurate 3D model of the underwater world, in real-time The RVX1000's dedicated quad core processor allows previous generation MFD's to run multiple sonar channels simultaneously