Ceiling recessed speaker, DA 68 mm, alu. In a compact design, for installation in tool-less rapid assembly systems. Nominal / music load capacity: 3 / 4 W, impedance: 20 Ohm. Up to 5 speakers can be connected in parallel to a channel of a Hifiamplifier. Sound pressure level: 1 W / 1 m: 82 dB (at nominal output of 87 dB),transmission range (-3 db): 200 - 16,000 Hz,transmission range (-10 db): 150 - 20,000 Hz, net weight: 0.1 kg. Connection using 2-core cable with connecting terminals. Also available with cover in champagne satin or black on request. Mounting method: Recessed mounting, Place of installation: Ceiling-mounted, Material: Aluminium / Steel, Degree of protection: according to DIN EN 60529 IP20, Adjustability: Pivoted.