The JRX118S is driven by a massive JBL 18" woofer with a cast frame and 3" voice-coil. It's rated at 350 watts (continuous) and 1400 watts (peak) - and that's based on JBL Professional's 100 hour torture test.
SPECIFICATIONS
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Frequency Range (-10 dB): 38 Hz - 300 Hz
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Frequency Response (±3 dB): 55 Hz - 300 Hz
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Sensitivity : 101 dB SPL
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Nominal Impedence: 4 ohms
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Power Capacity: 350 watts
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Peak Power Capacity: 1400 watts
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Recommended Amplifier Power: 350 watts to 700 watts into 4 ohms
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Recommended Crossover Settings: 30 Hz HPF, 24 dB / octave; 80 - 100 Hz LPF, 24 dB / octave
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Maximum SPL: 127 dB
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Dimensions (H x W x D): (23.5 in x 20.3 in x 22 in)
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Weight: 71 lbs
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Low Frequency Driver: JBL 2043-G
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Input Connectors: Neutrik® Speakon® NL-4 (x2); ¼" TS phone jack (x1); parallel
