4.5-cm (1.8") full-range speaker with aluminium membrane and transparent plastic basket with two mounting holes. Balanced frequency response and excellent bass playback. Suitable for applications that require both a small size and good music and speech reproduction. - Rated power/music power: 4 W/8 W - Impedance: 4 ohm - Transmission range (-10 dB): 90 - 20,000 Hz - Mean sound pressure level: 79 dB (1 W/1 m) - Resonance frequency: 158 Hz - Upper pole plate height: 3 mm - Voice coil diameter: 17 mm - Winding height: 4 mm - Baffle opening: 45 mm - Net weight: 0.032 kg https://elecena.pl/product/18519266/2240-visaton-miniature-speaker-4-5-cm-4-ohm 2021-05-20 https://elecena.pl/product/18519266/2240-visaton-miniature-speaker-4-5-cm-4-ohm 2021-11-07 https://elecena.pl/product/18519266/2240-visaton-miniature-speaker-4-5-cm-4-ohm 2022-12-07 https://elecena.pl/product/18519266/2240-visaton-miniature-speaker-4-5-cm-4-ohm 2025-12-31