Overview You must have JavaScript enabled and Flash 9.0.115 to see this content. Boston Acoustics SPG555. 6x9" copolymer cone woofer with butyl rubber surround Woofer's neodymium motor structure offers extraordinary power-to-weight ratio Dual 1" Kortec® dome tweeters Contoured tweeter plane greatly improves on- and off-axis tweeter response Model Specific integrated muti-element crossovers Specifications Nominal Impedance 4 ohm Recommended Amplifier Power 75watts RMS-200 watts peak Mounting Depth 2-5/8" (67mm) Nominal Size 6x9-inch Sensitivity [1 watt (2.83v) at 1m] 92dB Frequency Response (±3dB in car) 35Hz-20kHz System Type 2-way Frequency Response (Imaging mode)
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