The TOP variant includes an IP65-rated ingress protection seal. This means it is completely dust-tight and protected against low-pressure water jets. Standard units are often only IP44. If your application involves sawdust, humidity, or outdoor exposure, the SONE 345 TOP is non-negotiable.
Kaelen pressed his forehead against the reinforced viewport. Below, the city was a vein of neon sludge. Up here, silence was the ultimate luxury. "The Sone 345 is failing," a voice rasped behind him. sone 345 top