Overview You must have JavaScript enabled and Flash 9.0.115 to see this content. Boston Acoustics SPG555. 6" copolymer cone woofer with butyl rubber surround 1½" woofer voice coil ¾" Type-S2 Kortec dome tweeter Neodymium magnets for both woofer and tweeter Specifications Nominal Impedance 4 ohms Recommended Amplifier Power 50 watts Sensitivity (1 watt (2.83v) at 1m) 90dB Mounting Depth 2-1/2" (61mm) Nominal Size 6-1/2" Frequency Response (±3dB in car) 55Hz-20kHz System Type 2-way Power Handling 50W RMS/150W PEAK
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