Overview You must have JavaScript enabled and Flash 9.0.115 to see this content. Boston Acoustics SPG555. 6 x 9" copolymer cone woofer with butyl rubber surround 1½" woofer voice coil Dual Type-S2 ¾" Kortec dome tweeters Neodymium magnets for both woofer and tweeter Specifications Nominal Impedance 4 ohms Sensitivity (1 watt (2.83v) at 1m) 92dB Mounting Depth 2-5/8" (66mm) Nominal Size 6 x 9" Frequency Response (±3dB in car) 35Hz-20kHz System Type 2-way Power Handling 60W RMS/160W PEAK
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