"IPX566" likely represents a combination or confusion of IPX5 (low-pressure water resistance) and IP66 (dust-tight, high-pressure water protection) standards. While IPX5 is sufficient for sweatproof headphones, IP66 is necessary for equipment exposed to heavy dust or powerful water jets. For a detailed breakdown of these, you can consult the guide at Northern Connectors . IP Ratings Explained | Ingress Protection Rating | IP Codes
"IPX566" likely represents a combination or confusion of IPX5 (low-pressure water resistance) and IP66 (dust-tight, high-pressure water protection) standards. While IPX5 is sufficient for sweatproof headphones, IP66 is necessary for equipment exposed to heavy dust or powerful water jets. For a detailed breakdown of these, you can consult the guide at Northern Connectors . IP Ratings Explained | Ingress Protection Rating | IP Codes