Visaton BF 45, Small Speaker, 4.5 cm (1.8 "") mini speaker with aluminium diaphragm and transparent plastic basket with two fixing holes, Balanced frequency response and very good bass reproduction, Suitable for applications that require small dimensions and good music and voice reproduction, Rated load capacity 4 W, Musicability 8 W, Nominal impedance Z 4 Ohm, Transmission range (-10 dB) 90-20000 Hz, Average sound pressure level 79 dB (1 W / 1 m), Resonance frequency fs 158 Hz, Oscillating coil diameter 17 mm, Baffle opening 45 mm, Weight net 0.032 kg
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