Product FeaturesCompact device for loudspeaker end‑of‑line supervisionReliable solution for long loudspeaker linesFault detection in amplifier without additional wiringLow level, high frequency pilot toneFlexible mounting optionsKey SpecificationsDimensions (H x W x D) (mm): 60 x 78 x 16 mmMaximum input power (mW): 100 mWMaximum input voltage (V): 100 VOperating temperature (°C): -25 – 50 °CPilot tone frequency (kHz): 25.5 kHzPilot tone level (V): 3 VProtection: Thermal fuseWeight (g): 25 g SKU: ES.BOS.PRA-EOL Color: Red Amperage Rating: 15 A Degree of IP: IP30 Operating Relative Humidity: 5 - 95% Storage Temperature: -30 °C ... 70 °C Operating temperature: -25°C To +55°C Dimensions: 60x78x16mm Material: Plastic Brand: BOSCH Supplier Part Number: PRA-EOL