Ceiling recessed speaker, DA 180 mm, white matt, Round.In a compact design, for installation in tool-less rapid assembly systems.Nominal / music load capacity: 40 / 50 W, impedance: 8 Ohm, Sound pressure level: 1 W / 1 m: 90 dB (at nominal output of 98 dB), Transmission range (-3 db): 100 - 20,000 Hz, Transmission range (-10 db): 60 - 23,000 Hz, Model: Front and mounting ring made of plastic with perforated plate cover in white, Net weight: 1.0 kgInstallation in ceilings with material thickness of 1-20 mm. Connection using 2-core cable with connecting terminals. Moisture-impregnated membrane: Restricted protection against moisture (not suitable forcontinuous operation in outdoor area). Mounting method: Recessed mounting, Place of installation: Ceiling-mounted, Material: Steel / Plastic, Degree of protection: according to DIN EN 60529 IP20, Power: 50 W, .