2.8 cm (1.1") miniature speaker with plastic diaphragm (Mylar). Balanced frequency response and good speech intelligibility. Ideal for use in very small devices. Applications - Control speaker for electronic devices Characteristics - Functions in cold conditions in accordance with EN 60068-2-1/EN 50155 - Rated power/music power: 1 W/2 W - Impedance: 50 ohm - Frequency range (-10 dB): 300 - 20,000 Hz - Mean sound pressure level: 75 dB (1 W/1 m) - Resonant frequency: 700 Hz - Voice coil diameter: 10 mm Ø - Winding height: 2 mm - Baffle opening: 21 mm Ø - Net weight: 0.007 kg https://elecena.pl/product/18519711/2910-visaton-miniature-speaker-2-8-cm-50-ohm 2021-05-20 https://elecena.pl/product/18519711/2910-visaton-miniature-speaker-2-8-cm-50-ohm 2022-12-02