1" Drivers

4524 1" High frequency compression driver, 1" VC, 25 W RMS, 113 dB

4538 1" High frequency compression driver, 1" VC, 60 W RMS, 114 dB

4544 1" High frequency compression driver, 1" VC, 80 W RMS, 113 dB

4550 1" High frequency compression driver, 1.75" VC, 80 W RMS, 113 dB

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1.4" Drivers

4554 1.4" High frequency compression driver, 1.75" VC, 80 W RMS, 113 dB

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1.5" Drivers

4555 1.5" High frequency compression driver, 1.72" VC, 80 W RMS, 113 dB

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2" Drivers

4590 / 4590P 2" Coaxial compression driver, 3.5" + 1.75" VC, 150 W + 80 W RMS, 118 dB

4591 2" Middle range compression driver, 3.5" VC, 150 W RMS, 118 dB

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Coaxial Compression Drivers

4590 / 4590P 2" Coaxial compression driver, 3.5" + 1.75" VC, 150 W + 80 W RMS, 118 dB