Challenger PWR-520 - user opinions

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Challenger PWR-520

Summary: Type: coaxial speaker; Size: 13 cm (5 in.); The number of bands: 2; Power: 70 W (nominal), 140 W (maximum); Sensitivity: 91 dB; Frequency range: 55 - 22000 Hz; Impedance: 4 Ohm; Dimensions: 130 mm; Mounting depth: 61 mm; ...


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