Raymarine RVX1000 RealVision Black Box Sonar with 1kW Sonar, DownVision, SideVision and RealVision 3D SonarRaymarine RVX1000 RealVision Black Box Sonar with 1kW Sonar, DownVision, SideVision and RealVision 3D Sonar The RVX1000 offers all of the sonar performance and features of Raymarine Axiom Pro in a remotely mounted black box sonar module. With Raymarines award winning RealVision 3D sonar technology, CHIRP Side and DownVision, plus a high powered 1kW dual channel CHIRP sonar, the RVX1000 is a versatile sonar solution for both inshore and offshore