Boston Acoustics

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Boston's premier performance 2-way car component speakers

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Boston Acoustics SPG555.

  • 5 ¼" copolymer cone woofer with TwinStage™ heatsink
  • Woofer's neodymium motor structure offers extraordinary power-to-weight ratio
  • Type-S1 1" Kortec® dome tweeter
  • Model Specific integrated muti-element crossovers


Nominal Impedance
4 ohm
Recommended Amplifier Power
85watts RMS-250 watts peak
Mounting Depth
2-1/4" (57 mm)
Nominal Size
5 ¼-inch
Sensitivity [1 watt (2.83v) at 1m]
Frequency Response (±3dB in car)
System Type

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