Overview You must have JavaScript enabled and Flash 9.0.115 to see this content. Boston Acoustics SPG555. 5 ¼ " copolymer cone woofer with butyl rubber surround Woofer's neodymium motor structure offers extraordinary power-to-weight ratio Type-S1 1" Kortec® dome tweeter Quick-fit mounting cup simplifies tweeter installation Separable and dockable model-specific crossovers Specifications Nominal Impedance 4 ohm Recommended Amplifier Power 75watts RMS-200 watts peak Mounting Depth 2-1/4" (57mm) Nominal Size 5 ¼-inch Sensitivity [1 watt (2.83v) at 1m] 90dB Frequency Response (±3dB in car) 55Hz-20kHz System Type 2-way
SR60Boston's premier high performance 2-way car componentsVIEW FULL DETAILSSR80Boston's premier high performance 2-way 5 x 7" component plateVIEW FULL DETAILSSR95Boston's premier high performance 2-way car coaxial speakerVIEW FULL DETAILSSR65Boston's premier high performance 2-way car coaxial speakerVIEW FULL DETAILS