Earthquake BT-90S - user opinions

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Earthquake BT-90S

Summary: Type: tweeter; Size: 8.7 cm (3.5 in.); The number of bands: 1; Power: 300 watts (maximum); Sensitivity: 110 dB; Frequency range: 3000 - 20000 Hz; Impedance: 4 Ohm; Dimensions: 90 mm; Cone material: Titan; Mounting depth: 62 mm; Features: ferrozhilstroy cooling; ...


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