
The MONACOR NR-40KS is a rugged, weatherproof horn speaker designed for high-power, high-volume sound projection in challenging environments, suitable for both general indoor and outdoor applications. It operates on a low-impedance system.
Weatherproof & Durability:
IP66 tested, meaning it is protected against powerful water jets and dust ingress.
Suitable for general indoor and outdoor applications, with an admissible ambient temperature range of -20 °C to +50 °C.
Features a robust plastic housing.
The mounting bracket and screws are made of stainless steel to prevent corrosion.
Acoustic Performance:
High sound pressure level (SPL) of 113 dB/W/m, providing excellent range and clarity for announcements.
High power rating: 40 W (RMS) and 60 W (Total power rating).
Low Impedance: Operates on a 16 Ω speaker system.
Focused Dispersion: Provides focused coverage with a horizontal radiation angle of 100° and a vertical angle of 45°.
Maintenance: A replacement voice coil, IT-40/VC, is available.
| Specification | Value |
| Description | Weatherproof Horn Speaker |
| Transmission Technology | Cable (Low-Impedance) |
| Impedance | 16 Ω |
| Power Rating (RMS) | 40 W |
| Total Power Rating | 60 W |
| Frequency Range | 180–7,000 Hz |
| SPL (1W/1m) | 113 dB |
| Protection Class | IP66 |
| Admiss. Ambient Temp. | -20 °C to +50 °C |
| Housing Material | Plastic (Light Grey) |
| Mounting Device | Stainless steel mounting bracket |
| Dimensions (W x H x D) | 400 x 200 x 385 mm |
| Weight | 3 kg |