RCF LF21X451 - user opinions

Car speakers Specs << RCF << RCF LF21X451 Specs

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Summary: Type: Woofer; Size: 21"; RMS Power: 2000 W; Max Power: 4000 W; Sensitivity: 97 dB; Impedance: 8?�; DC resistance: 5.4 ?�; Frequency range: 28 - 1000 Hz; Resonant frequency: 28 Hz; Total Q factor: 0.37; Suspension equivalent air volume: 385 L; Maximum linear excursion: 14 mm; ...

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