Overview You must have JavaScript enabled and Flash 9.0.115 to see this content. Boston Acoustics SPG555. 5¼" 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 Mounting Depth 2-3/16" (55mm) Nominal Size 5¼-inch Sensitivity [1 watt (2.83v) at 1m] 90dB Frequency Response (±3dB in car) 60Hz-20kHz Power Handling 50W RMS/150W PEAK Impedance 4 ohm
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