3.6-cm (1.4") miniature speaker with plastic basket and plastic membrane. Balanced frequency response and good speech intelligibility. Ideal for outdoor use and in difficult environmental conditions (e.g. moisture). - Plastic: ABS (basket; UL 94: HB: Mylar (membrane) - Functions in cold conditions in accordance with EN 60068-2-1/EN 50155 - Rated power/music power: 1 W / 2 W - Impedance: 8 ohm - Transmission range (-10 dB): 300 - 20,000 Hz - Mean sound pressure level: 77 dB (1 W/1 m) - Resonance frequency: 550 Hz - Upper pole plate height: 2 mm - Voice coil diameter: 10 mm Ø - Winding height: 2 mm - Baffle opening: 31 mm Ø - Net weight: 0.006 kg https://elecena.pl/product/18519269/2912-visaton-miniature-speaker-3-6-cm-8-ohm 2021-05-20 https://elecena.pl/product/18519269/2912-visaton-miniature-speaker-3-6-cm-8-ohm 2022-12-02