Boston Acoustics

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Boston's premier high performance 2-way car coaxial speaker

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Boston Acoustics SPG555.

  • 6½" copolymer cone woofer with butyl rubber surround
  • Woofer's neodymium motor structure offers extraordinary power-to-weight ratio
  • 1" Kortec® dome tweeters
  • Contoured tweeter plane greatly improves on- and off-axis tweeter response
  • Model Specific integrated muti-element crossovers
  • VariMount™ adaptor rings enable the SR65 woofer to fit into virtually any factory 6½-inch location.


Nominal Impedance
4 ohm
Recommended Amplifier Power
75watts RMS-200 watts peak
Mounting Depth
2-7/16" (62.0mm)
Nominal Size
Sensitivity [1 watt (2.83v) at 1m]
Frequency Response (±3dB in car)
System Type
Enclosure Type
Q-Tune™ Setting
Tuning Frequency
Top Depth
Bottom Depth

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